AfReMaS banner
About | Search taxa | Taxon tree | Search literature | Checklist | Stats | Log in

WoRMS taxon details

Mactra Linnaeus, 1767

138158  (urn:lsid:marinespecies.org:taxname:138158)

accepted
Genus
Cardium stultorum Linnaeus, 1758 accepted as Mactra stultorum (Linnaeus, 1758) (type by subsequent designation)
Deikea Mayer-Eymar, 1872 · unaccepted (synonym)
Mactra (Eomactra) Cossmann, 1909 † · alternative representation
Mactra (Mactra) Linnaeus, 1767 · alternative representation
Mactra (Nannomactra) Iredale, 1930 · alternative representation
Telemactra Iredale, 1929 · unaccepted (synonym)
Trigonella da Costa, 1778 · unaccepted (synonym)

Ordering

  • Alphabetically
  • By status

Children Display

  1. Species Mactra abbreviata Lamarck, 1818
  2. Species Mactra achatina Holten, 1802
  3. Species Mactra aequisulcata G. B. Sowerby III, 1894
  4. Species Mactra alta Deshayes, 1855
  5. Species Mactra antiquata Spengler, 1802
  6. Species Mactra aphrodina Reeve, 1854
  7. Species Mactra artensis Montrouzier, 1859
  8. Species Mactra asiatica Tolstikova, 1964 †
  9. Species Mactra australis Lamarck, 1818
  10. Species Mactra axiniformis Tate, 1887 †
  11. Species Mactra bajarunasi V. P. Kolesnikov, 1925 †
  12. Species Mactra basteroti Mayer, 1853 †
    1. Subspecies Mactra basteroti konkensis Laskarev, 1899 †
    2. Variety Mactra basteroti var. konkensis Laskarev, 1899 † accepted as Mactra basteroti konkensis Laskarev, 1899 † (unaccepted > superseded rank)
  13. Species Mactra bodmani Stilwell & Zinsmeister, 1992 †
  14. Species Mactra carteri Beu, 2006 †
  15. Species Mactra chinensis R. A. Philippi, 1846
  16. Species Mactra corallina (Linnaeus, 1758)
    1. Subspecies Mactra corallina corallina (Linnaeus, 1758) accepted as Mactra corallina (Linnaeus, 1758) (unaccepted > superseded combination)
    2. Subspecies Mactra corallina plistoneerlandica van Regteren Altena, 1937 † accepted as Mactra plistoneerlandica van Regteren Altena, 1937 † (unaccepted > superseded combination)
    3. Variety Mactra corallina var. atlantica Bucquoy, Dautzenberg & Dollfus, 1896 accepted as Mactra stultorum (Linnaeus, 1758) (synonym)
    4. Variety Mactra corallina var. grangeri Bucquoy, Dautzenberg & Dollfus, 1896 accepted as Mactra stultorum (Linnaeus, 1758) (synonym)
    5. Variety Mactra corallina var. lignaria Monterosato, 1878 accepted as Mactra stultorum (Linnaeus, 1758) (nomen nudum)
    6. Variety Mactra corallina var. lignaria Bucquoy, Dautzenberg & Dollfus, 1896 accepted as Mactra stultorum (Linnaeus, 1758)
    7. Variety Mactra corallina var. oceanica Bucquoy, Dautzenberg & Dollfus, 1896 accepted as Mactra stultorum (Linnaeus, 1758) (synonym)
    8. Variety Mactra corallina var. trigona Pallary, 1938 accepted as Mactra stultorum (Linnaeus, 1758) (invalid; not Anton, 1838)
  17. Species Mactra cordiformis Reeve, 1854
  18. Species Mactra crossei (Dunker, 1877)
  19. Species Mactra cumingii Reeve, 1854
  20. Species Mactra cuneata Gmelin, 1791
  21. Species Mactra cygnus Gmelin, 1791
  22. Species Mactra darwinii G. B. Sowerby I, 1846 †
  23. Species Mactra deshayesi Mayer, 1867
  24. Species Mactra dissimilis Reeve, 1854
    1. Variety Mactra dissimilis var. ochracea E. von Martens, 1879 accepted as Mactra lilacea Lamarck, 1818 (junior synonym)
  25. Species Mactra dubia d'Archiac, 1854 †
  26. Species Mactra eburnea R. A. Philippi, 1849
  27. Species Mactra eximia Reeve, 1854
  28. Species Mactra faugeresi Gillet, 1971 †
  29. Species Mactra fuegiensis E. A. Smith, 1905
  30. Species Mactra gigas Nowell-Usticke, 1969
  31. Species Mactra glabrata Linnaeus, 1767
    1. Subspecies Mactra glabrata glabrata Linnaeus, 1767 accepted as Mactra glabrata Linnaeus, 1767
    2. Subspecies Mactra glabrata lilacea Lamarck, 1818 accepted as Mactra lilacea Lamarck, 1818
  32. Species Mactra glauca Born, 1778
    1. Variety Mactra glauca var. luteola Jeffreys, 1864 accepted as Mactra glauca Born, 1778
  33. Species Mactra grandis Gmelin, 1791
  34. Species Mactra guidoi Signorelli & F. Scarabino, 2010
  35. Species Mactra hamiltonensis Tate, 1887 †
  36. Species Mactra holmesi (Meek, 1875) †
  37. Species Mactra inaequalis Reeve, 1854
  38. Species Mactra incarnata Reeve, 1854
  39. Species Mactra incerta E. A. Smith, 1885
  40. Species Mactra iridescens Kuroda & Habe, 1958
  41. Species Mactra irigari Wilckens, 1910 †
  42. Species Mactra irizari Wilckens, 1910 †
  43. Species Mactra isabelleana A. d'Orbigny, 1846
  44. Species Mactra jacksonensis E. A. Smith, 1885
  45. Species Mactra kaffraria Rennie, 1930 †
  46. Species Mactra kanakina S. M. Souverbie, 1860
  47. Species Mactra lilacea Lamarck, 1818
    1. Subspecies Mactra lilacea jickelii Weinkauff, 1881 accepted as Mactra lilacea Lamarck, 1818
    2. Variety Mactra lilacea var. alba Jousseaume, 1916 accepted as Mactra lilacea Lamarck, 1818 (unaccepted > junior subjective synonym)
  48. Species Mactra luzonica Reeve, 1854
  49. Species Mactra maculata Gmelin, 1791
  50. Species Mactra marplatensis Doello-Jurado, 1949
  51. Species Mactra marwicki Beu, 2006 †
  52. Species Mactra mitis Reeve, 1854
  53. Species Mactra nipponica Kuroda & Habe, 1971
  54. Species Mactra olorina R. A. Philippi, 1846
  55. Species Mactra opposita Reeve, 1854
  56. Species Mactra patagonica A. d'Orbigny, 1846 †
  57. Species Mactra petitii A. d'Orbigny, 1846
  58. Species Mactra plana K. Martin, 1879 †
  59. Species Mactra plistoneerlandica van Regteren Altena, 1937 †
  60. Species Mactra pulchella R. A. Philippi, 1846
  61. Species Mactra pura Reeve, 1854
  62. Species Mactra pusilla A. Adams, 1856
  63. Species Mactra quadrangularis Reeve, 1854
  64. Species Mactra queenslandica E. A. Smith, 1914
  65. Species Mactra quirosana H. K. Hodson, 1931
  66. Species Mactra rochebrunei E. Lamy, 1916
  67. Species Mactra sauliana Gray, 1838
  68. Species Mactra sericea Reeve, 1854
  69. Species Mactra sliekeri Thach, 2024
  70. Species Mactra stultorum (Linnaeus, 1758)
    1. Subspecies Mactra stultorum plistoneerlandica van Regteren Altena, 1937 † accepted as Mactra plistoneerlandica van Regteren Altena, 1937 †
    2. Subspecies Mactra stultorum stultorum (Linnaeus, 1758) accepted as Mactra stultorum (Linnaeus, 1758)
  71. Species Mactra subglobosa Broderip & G. B. Sowerby I, 1829
  72. Species Mactra subponderosa A. d'Orbigny, 1852 †
  73. Species Mactra superstes Davitashvili, 1931 †
  74. Species Mactra thaanumi Dall, Bartsch & Rehder, 1938
  75. Species Mactra turgida Gmelin, 1791
  76. Species Mactra turkmenica Tolstikova, 1964 †
  77. Species Mactra violacea Gmelin, 1791
  78. Species Mactra westralis Lamprell & Whitehead, 1990
  79. Subgenus Mactra (Allomactra) Tomlin, 1931 † accepted as Allomactra Tomlin, 1931 † (unaccepted > superseded rank)
  80. Subgenus Mactra (Avimactra) Andrusov, 1905 † accepted as Avimactra Andrusov, 1905 †
    1. Species Mactra (Avimactra) aviculoides Andrusov, 1905 † accepted as Avimactra aviculoides (Andrusov, 1905) †
  81. Subgenus Mactra (Barymactra) Cossmann, 1909 accepted as Barymactra Cossmann, 1909 (unaccepted > superseded rank)
  82. Subgenus Mactra (Cyclomactra) Dall, 1895 accepted as Cyclomactra Dall, 1895 (original rank)
    1. Species Mactra (Cyclomactra) williamsi Marwick, 1948 † accepted as Cyclomactra williamsi (Marwick, 1948) † (superseded combination)
  83. Subgenus Mactra (Harvella) J. E. Gray, 1853 accepted as Harvella J. E. Gray, 1853 (unaccepted > superseded rank)
    1. Species Mactra (Harvella) sanctiblasii Maury, 1925 † accepted as Harvella elegans (G. B. Sowerby I, 1825) (unaccepted > junior subjective synonym)
  84. Subgenus Mactra (Heteromactra) E. Lamy, 1906 accepted as Cyamiomactra F. Bernard, 1897 (unaccepted > junior subjective synonym)
    1. Species Mactra (Heteromactra) laminifera E. Lamy, 1906 accepted as Cyamiomactra laminifera (E. Lamy, 1906) (basionym)
  85. Subgenus Mactra (Heteromactra) Cossmann, 1909 † accepted as Allomactra Tomlin, 1931 † (unaccepted > junior homonym, Invalid: junior homonym of Heteromactra Lamy, 1906)
    1. Species Mactra (Heteromactra) grateloupi Cossmann & Peyrot, 1909 † accepted as Allomactra grateloupi (Cossmann & Peyrot, 1909) † (unaccepted > superseded combination)
  86. Subgenus Mactra (Kirghizella) Andrusov, 1902 † accepted as Kirghizella Andrusov, 1902 †
    1. Species Mactra (Kirghizella) pisum Andrusov, 1902 † accepted as Kirghizella pisum (Andrusov, 1902) †
  87. Subgenus Mactra (Mactrodrerma) Dall, 1894 accepted as Mactrotoma Dall, 1894
  88. Subgenus Mactra (Mactrotoma) Dall, 1894 accepted as Mactrotoma Dall, 1894 (unaccepted > superseded rank)
    1. Species Mactra (Mactrotoma) aspersa G. B. Sowerby I, 1825 accepted as Oxyperas aspersum (G. B. Sowerby I, 1825)
    2. Species Mactra (Mactrotoma) capensis G. B. Sowerby III, 1892 accepted as Simomactra capensis (G. B. Sowerby III, 1892)
    3. Species Mactra (Mactrotoma) tholoensis Ladd, 1934 † accepted as Mactrotoma tholoensis (Ladd, 1934) †
    4. Species Mactra (Mactrotoma) vitiensis (A. M. Davies, 1927) † accepted as Mactrotoma vitiensis (A. M. Davies, 1927) †
    5. Species Mactra (Mactrotoma) undula Dall, 1898 † (uncertain > unassessed)
  89. Subgenus Mactra (Mactrula) Marwick, 1948 accepted as Pseudocardium Gabb, 1866 †
    1. Species Mactra (Mactrula) mula Marwick, 1948 † accepted as Pseudocardium mula (Marwick, 1948) † (superseded combination)
  90. Subgenus Mactra (Maorimactra) H. J. Finlay, 1928 accepted as Maorimactra H. J. Finlay, 1928 (unaccepted > superseded combination)
    1. Species Mactra (Maorimactra) acuminella (H. J. Finlay, 1930) † accepted as Maorimactra acuminella H. J. Finlay, 1930 † (superseded combination)
    2. Species Mactra (Maorimactra) bodmani Stilwell & Zinsmeister, 1992 † accepted as Maorimactra bodmani (Stilwell & Zinsmeister, 1992) †
    3. Species Mactra (Maorimactra) ordinaria E. A. Smith, 1898 accepted as Maorimactra ordinaria (E. A. Smith, 1898) (superseded combination)
    4. Species Mactra (Maorimactra) carteri Beu, 2006 † represented as Mactra carteri Beu, 2006 †
    5. Species Mactra (Maorimactra) chrydaea (Suter, 1911) † represented as Mactra chrydaea Suter, 1911 †
    6. Species Mactra (Maorimactra) marwicki Beu, 2006 † represented as Mactra marwicki Beu, 2006 †
  91. Subgenus Mactra (Micromactra) Dall, 1894 accepted as Mactrella J. E. Gray, 1853 (unaccepted > junior subjective synonym)
    1. Species Mactra (Micromactra) atacama Pilsbry & Olsson, 1941 accepted as Mactrotoma angusta (Reeve, 1854)
    2. Species Mactra (Micromactra) isthmica Pilsbry & H. N. Lowe, 1932 accepted as Mactrotoma isthmica (Pilsbry & H. N. Lowe, 1932) (unaccepted > superseded combination)
    3. Species Mactra (Micromactra) surinamensis van Regteren Altena, 1968 accepted as Mactrotoma surinamensis (van Regteren Altena, 1968)
    4. Species Mactra (Micromactra) vanattae Pilsbry & H. N. Lowe, 1932 accepted as Mactrotoma isthmica (Pilsbry & H. N. Lowe, 1932) (unaccepted > junior subjective synonym)
      1. Subspecies Mactra (Micromactra) vanattae acymata Pilsbry & H. N. Lowe, 1932 accepted as Mactrotoma isthmica (Pilsbry & H. N. Lowe, 1932) (original combination; junior synonym)
    5. Species Mactra (Micromactra) macescens Guppy, 1866 † (uncertain > unassessed)
  92. Subgenus Mactra (Mulinia) J. E. Gray, 1837 accepted as Mulinia J. E. Gray, 1837 (unaccepted > superseded rank)
    1. Species Mactra (Mulinia) levicardo E. A. Smith, 1881 accepted as Mulinia levicardo (E. A. Smith, 1881) (basionym)
    2. Species Mactra (Mulinia) rodatzi Dunker, 1850 accepted as Mulinia edulis (P. P. King, 1832)
  93. Subgenus Mactra (Oxyperas) Mörch, 1853 accepted as Oxyperas Mörch, 1853
    1. Species Mactra (Oxyperas) coppingeri E. A. Smith, 1884 accepted as Oxyperas coppingeri (E. A. Smith, 1884) (basionym)
  94. Subgenus Mactra (Pseudoxyperas) Sacco, 1901 accepted as Oxyperas Mörch, 1853 (superseded combination)
    1. Species Mactra (Pseudoxyperas) proaspersa Sacco, 1901 accepted as Oxyperas proaspersum (Sacco, 1901)
  95. Subgenus Mactra (Sarmatimactra) Korobkov, 1954 † accepted as Sarmatimactra Korobkov, 1954 † (unaccepted > superseded rank)
    1. Species Mactra (Sarmatimactra) andrussowi V. Kolesnikov, 1925 † accepted as Sarmatimactra andrussowi (V. Kolesnikov, 1925) †
    2. Species Mactra (Sarmatimactra) bulgarica Toula, 1892 † accepted as Chersonimactra bulgarica (Toula, 1892) †
    3. Species Mactra (Sarmatimactra) caspia Eichwald, 1840 † accepted as Ionesimactra caspia (Eichwald, 1840) †
    4. Species Mactra (Sarmatimactra) eichwaldi Laskarev, 1914 † accepted as Podolimactra eichwaldi (Laskarew, 1914) †
    5. Species Mactra (Sarmatimactra) fabreana A. d'Orbigny, 1844 † accepted as Sarmatimactra fabreana (A. d'Orbigny, 1844) †
    6. Species Mactra (Sarmatimactra) pallasi (Baily, 1858) † accepted as Sarmatimactra vitaliana pallasi (Baily, 1858) †
    7. Species Mactra (Sarmatimactra) tapesoides Sinzov, 1897 † accepted as Sarmatimactra tapesoides (Sinzov, 1897) †
    8. Species Mactra (Sarmatimactra) vitaliana A. d'Orbigny, 1844 † accepted as Sarmatimactra vitaliana (A. d'Orbigny, 1844) †
  96. Subgenus Mactra (Simomactra) Dall, 1894 accepted as Simomactra Dall, 1894
    1. Species Mactra (Simomactra) hoffstetteri Cauquoin, 1969 accepted as Spisula adamsi Olsson, 1961
  97. Subgenus Mactra (Spisula) J. E. Gray, 1837 accepted as Spisula J. E. Gray, 1837
    1. Species Mactra (Spisula) asperaeformis Nomura & Zinbo, 1934 † accepted as Oxyperas (Rugosoxyperas) asperaeformis (Nomura & Zinbo, 1934) † (unaccepted > superseded combination)
    2. Species Mactra (Spisula) grayana Schrenck, 1867 accepted as Mactromeris polynyma (W. Stimpson, 1860)
  98. Subgenus Mactra (Stiphromactra) Böhm, 1929 † accepted as Stiphromactra Böhm, 1929 † (unaccepted > superseded rank)
    1. Species Mactra (Stiphromactra) welwitschi J. Böhm, 1929 † accepted as Stiphromactra welwitschi (J. Böhm, 1929) † (unaccepted > superseded combination)
  99. Subgenus Mactra (Trigonella) Conrad, 1837 accepted as Tivela Link, 1807
    1. Species Mactra (Trigonella) incerta E. A. Smith, 1885 accepted as Mactra incerta E. A. Smith, 1885 (basionym)
    2. Species Mactra (Trigonella) jacksonensis E. A. Smith, 1885 accepted as Mactra jacksonensis E. A. Smith, 1885 (basionym)
    3. Species Mactra (Trigonella) laevis Dunker, 1871 accepted as Mactra lilacea Lamarck, 1818 (junior synonym)
    4. Species Mactra (Trigonella) radiata Dunker, 1871 (uncertain > taxon inquirendum, not of Mendes da Costa, 1778; not of Spengler, 1802; not of Donovan, 1803)
  100. Species Mactra acuminella (Finlay, 1930) † accepted as Maorimactra acuminella H. J. Finlay, 1930 †
  101. Species Mactra acutecarinata Andrusov, 1902 † accepted as Andrussella acutecarinata (Andrusov, 1902) †
  102. Species Mactra acutissima Cosel, 1995 accepted as Scissodesma acutissima (Cosel, 1995)
  103. Species Mactra adansoni [sic] accepted as Mactra adansonii R. A. Philippi, 1849 (misspelling of specific epithet)
    1. Variety Mactra adansoni var. decora [sic] accepted as Mactra adansonii var. decora Reeve, 1854 sensu W. H. Turton, 1932 (misspelling of specific epithet)
    2. Variety Mactra adansoni var. elongata W. H. Turton, 1932 accepted as Mactra adansonii var. elongata W. H. Turton, 1932 (misspelling of specific epithet)
    3. Variety Mactra adansoni var. semistriata [sic] accepted as Mactra adansonii var. semistriata Reeve, 1854 sensu W. H. Turton, 1932 (misspelling of specific epithet)
  104. Species Mactra adansonii R. A. Philippi, 1849 accepted as Mactra glabrata Linnaeus, 1767
    1. Variety Mactra adansonii var. decora Reeve, 1854 sensu W. H. Turton, 1932 accepted as Mactra ochracea E. von Martens, 1879
    2. Variety Mactra adansonii var. elongata W. H. Turton, 1932 accepted as Mactra ochracea E. von Martens, 1879
    3. Variety Mactra adansonii var. semistriata Reeve, 1854 sensu W. H. Turton, 1932 accepted as Mactra lilacea Lamarck, 1818
  105. Species Mactra adspersa Dunker, 1849 accepted as Mactra achatina Holten, 1802
  106. Species Mactra aegyptiaca Dillwyn, 1817 accepted as Meropesta nicobarica (Gmelin, 1791)
  107. Species Mactra aequilatera Reeve, 1854 accepted as Crassula aequilatera (Reeve, 1854) (superseded combination)
  108. Species Mactra aequilateralis Deshayes, 1854 accepted as Crassula aequilatera (Reeve, 1854) (junior objective synonym)
  109. Species Mactra agalarovae A. A. Ali-Zade, 1967 † accepted as Aktschagylia eldarica (V. P. Kolesnikov, 1950) † (junior subjective synonym)
  110. Species Mactra alata A. A. Ali-Zade & O. I. Popova, 1967 † accepted as Avimactra praeaviculoides Cheltsov, 1967 † (tentative junior subjective synonym)
  111. Species Mactra alata Spengler, 1802 accepted as Mactrellona alata (Spengler, 1802) (unaccepted > superseded combination)
    1. Variety Mactra alata var. subalata Mörch, 1860 accepted as Mactrellona alata (Spengler, 1802) (unaccepted > junior subjective synonym)
  112. Species Mactra alata Macarovici, 1940 † accepted as Planimactra plana (Belokrys, 1964) † (unaccepted > junior homonym)
  113. Species Mactra alba W. Wood, 1802 accepted as Abra alba (W. Wood, 1802)
  114. Species Mactra alba Lamarck, 1818 accepted as Mactra corallina (Linnaeus, 1758)
  115. Species Mactra albana A. A. Ali-Zade & O. I. Popova, 1967 † accepted as Aktschagylia nazarlebi (K. A. Ali-Zade, 1932) † (junior subjective synonym)
  116. Species Mactra albina Deshayes, 1832 accepted as Leptospisula nivea (Gmelin, 1791)
  117. Species Mactra alfredensis Bartsch, 1915 accepted as Mactrotoma ovalina (Lamarck, 1818) (junior synonym)
  118. Species Mactra ambiqua Weinkauff, 1884 accepted as Mactrotoma compressa (Spengler, 1802)
  119. Species Mactra amygdala Crosse & P. Fischer, 1864 accepted as Anapella cycladea (Lamarck, 1818)
  120. Species Mactra anatina Spengler, 1802 accepted as Anatina anatina (Spengler, 1802) (original combination)
  121. Species Mactra anatinoides Reeve, 1854 accepted as Raeta pellicula (Reeve, 1854)
  122. Species Mactra andamanica (E. A. Smith, 1904) accepted as Periploma andamanicum (E. A. Smith, 1904)
  123. Species Mactra andrussowi V. Kolesnikov, 1925 † accepted as Sarmatimactra andrussowi (V. Kolesnikov, 1925) † (unaccepted > superseded combination)
  124. Species Mactra angolensis Cosel, 1995 accepted as Scissodesma angolensis (Cosel, 1995)
  125. Species Mactra angulata Reeve, 1854 accepted as Mulinia pallida (Broderip & G. B. Sowerby I, 1829) (unaccepted > junior homonym, not Mactra angulata J. de C. Sowerby, 1836)
  126. Species Mactra angulifera Reeve, 1854 accepted as Mactrotoma angulifera (Reeve, 1854) (original combination)
  127. Species Mactra angulifera Deshayes, 1855 accepted as Mactra angulifera Reeve, 1854 (synonym and homonym)
  128. Species Mactra angusta Reeve, 1854 accepted as Mactrotoma angusta (Reeve, 1854) (original combination)
  129. Species Mactra angusta Deshayes, 1855 accepted as Mactra angusta Reeve, 1854 (synonym and homonym)
  130. Species Mactra anserina Guppy, 1873 accepted as Mactrotoma fragilis (Gmelin, 1791) (unaccepted > junior subjective synonym)
  131. Species Mactra aphrodina Deshayes, 1855 accepted as Mactra aphrodina Reeve, 1854 (synonym and homonym)
  132. Species Mactra apicina Reeve, 1854 accepted as Mactra luzonica Reeve, 1854
  133. Species Mactra approba A. A. Ali-Zade, 1967 † accepted as Aktschagylia karabugasica (Andrusov, 1902) † (tentative junior subjective synonym)
  134. Species Mactra araucana A. d'Orbigny, 1846 † accepted as Mactra ambigua R. A. Philippi, 1887 † (unaccepted > junior homonym)
  135. Species Mactra arctata Conrad, 1831 accepted as Mesodesma arctatum (Conrad, 1831)
  136. Species Mactra ashburnerii Gabb, 1864 † accepted as Cymbophora ashburnerii (Gabb, 1864) † (unaccepted > superseded combination)
  137. Species Mactra aspersa G. B. Sowerby I, 1825 accepted as Oxyperas aspersa (G. B. Sowerby I, 1825)
  138. Species Mactra asteriae A. A. Ali-Zade, 1967 † accepted as Aktschagylia ossoskovi (Andrusov, 1902) † (tentative junior subjective synonym)
  139. Species Mactra atacama Pilsbry & Olsson, 1941 accepted as Mactrotoma angusta (Reeve, 1854)
  140. Species Mactra attenuata Reeve, 1854 accepted as Mactra cygnus Gmelin, 1791
  141. Species Mactra attenuata Deshayes, 1855 accepted as Mactra attenuata Reeve, 1854 (synonym and homonym)
  142. Species Mactra attenuata F. W. Hutton, 1873 † accepted as Oxyperas leda (H. J. Finlay, 1924) † (invalid: not Reeve, 1854, nor Deshayes, 1855)
  143. Species Mactra austeniana Maury, 1912 † accepted as Tivela austeniana (Maury, 1912) † (unaccepted > superseded combination)
  144. Species Mactra azerbajdjanica A. A. Ali-Zade & Kabakova, 1967 † accepted as Aktschagylia azerbajdjanica (A. A. Ali-Zade & Kabakova, 1967) †
  145. Species Mactra balchanica A. A. Ali-Zade, 1967 † accepted as Aktschagylia subcaspia (Andrusov, 1902) † (tentative junior subjective synonym)
  146. Species Mactra bernayi Cossmann, 1886 † accepted as Spisula bernayi (Cossmann, 1886) † (unaccepted > superseded combination)
  147. Species Mactra bilineata Reeve, 1854 accepted as Mactrotoma fragilis (Gmelin, 1791)
  148. Species Mactra bilineata Deshayes, 1855 accepted as Mactra bilineata Reeve, 1854 (synonym and homonym)
  149. Species Mactra bistrigata Mörch, 1860 accepted as Mulinia pallida (Broderip & G. B. Sowerby I, 1829)
  150. Species Mactra bogatschevi A. A. Ali-Zade, 1967 † accepted as Kirghizella modiolopsis (Cheltsov, 1967) † (tentative junior subjective synonym)
  151. Species Mactra bonneauii Bernardi, 1858 accepted as Mactra quadrangularis Reeve, 1854
  152. Species Mactra bourguignati Locard, 1890 accepted as Mactra stultorum (Linnaeus, 1758)
  153. Species Mactra boysii Montagu, 1803 accepted as Abra alba (W. Wood, 1802)
  154. Species Mactra brasiliana Lamarck, 1818 accepted as Mactrotoma fragilis (Gmelin, 1791)
  155. Species Mactra bulgarica Toula, 1892 † accepted as Chersonimactra bulgarica (Toula, 1892) †
  156. Species Mactra burdigalensis Mayer, 1864 † accepted as Barymactra burdigalensis (Mayer, 1864) †
  157. Species Mactra calbucana R. A. Philippi, 1893 accepted as Mulinia exalbida J. E. Gray, 1837
  158. Species Mactra californica Reeve, 1854 accepted as Mactrotoma nasuta (A. Gould, 1851)
  159. Species Mactra californica Conrad, 1837 accepted as Mactrella californica (Conrad, 1837) (original combination)
  160. Species Mactra californica Deshayes, 1855 accepted as Mactra californica Reeve, 1854 (synonym and homonym)
  161. Species Mactra campechensis J. E. Gray, 1825 accepted as Raeta plicatella (Lamarck, 1818) (unaccepted > junior subjective synonym)
  162. Species Mactra candida Nardo, 1847 accepted as Mactra corallina (Linnaeus, 1758)
  163. Species Mactra capensis G. B. Sowerby III, 1892 accepted as Simomactra capensis (G. B. Sowerby III, 1892)
  164. Species Mactra capillacea Reeve, 1854 accepted as Meropesta capillacea (Reeve, 1854)
  165. Species Mactra capillacea Deshayes, 1855 accepted as Mactra capillacea Reeve, 1854 (synonym and homonym)
  166. Species Mactra carinata Lamarck, 1818 accepted as Mactrellona alata (Spengler, 1802)
  167. Species Mactra carinulata Reeve, 1854 accepted as Mulinia cleryana (A. d'Orbigny, 1846)
  168. Species Mactra carinulata Deshayes, 1855 accepted as Mactra carinulata Reeve, 1854 (synonym and homonym)
  169. Species Mactra carneopicta Pilsbry, 1904 accepted as Mactra chinensis R. A. Philippi, 1846
  170. Species Mactra caspia Eichwald, 1840 † accepted as Ionesimactra caspia (Eichwald, 1840) † (unaccepted > superseded combination)
  171. Species Mactra castanea Lamarck, 1818 accepted as Spisula solida (Linnaeus, 1758)
  172. Species Mactra catilliformis (Conrad, 1867) accepted as Mactromeris catilliformis (Conrad, 1867) (unaccepted > superseded combination)
  173. Species Mactra cecileana A. d'Orbigny, 1843 † accepted as Nucula (Leionucula) cecileana A. d'Orbigny, 1843 † (unaccepted > superseded combination)
  174. Species Mactra chemnitzii Gray, 1837 accepted as Mactra antiquata Spengler, 1802
  175. Species Mactra chrydaea Suter, 1911 † accepted as Maorimactra chrydaea (Suter, 1911) † (superseded combination)
  176. Species Mactra cibaria R. A. Philippi, 1893 accepted as Mulinia exalbida J. E. Gray, 1837
  177. Species Mactra cinerea Montagu, 1808 accepted as Mactra stultorum (Linnaeus, 1758) (synonym)
    1. Species Mactra cleryana A. d'Orbigny, 1846 accepted as Mulinia cleryana (A. d'Orbigny, 1846) (original combination)
    2. Species Mactra cojimbensis Anton, 1837 accepted as Mulinia edulis (P. P. King, 1832)
    3. Species Mactra colchaguana Hupé, 1854 † accepted as Pitar colchaguana (Hupé, 1854) † (unaccepted > superseded combination)
    4. Species Mactra colchaguensis R. A. Philippi, 1887 † accepted as Mactra colchaguana Hupé, 1854 † (unaccepted > unjustified emendation)
    5. Species Mactra coloradoensis Dall, 1894 accepted as Mulinia modesta (P. P. Carpenter, 1864) (unaccepted > junior subjective synonym)
      1. Subspecies Mactra coloradoensis acuta (Dall, 1894) accepted as Mulinia modesta (P. P. Carpenter, 1864) (unaccepted > junior subjective synonym)
    6. Species Mactra complanata Gmelin, 1791 accepted as Lutraria complanata (Gmelin, 1791)
    7. Species Mactra complanata Reeve, 1854 accepted as Simomactra chionia (Tomlin, 1921) (unaccepted > junior homonym, Junior homonym of Mactra complanata Gmelin, 1791. Mactrinula chionia Tomlin, 1921 is a replacement name)
    8. Species Mactra compressa Spengler, 1802 accepted as Mactrotoma compressa (Spengler, 1802)
    9. Species Mactra compressa Pulteney, 1799 accepted as Scrobicularia plana (da Costa, 1778)
    10. Species Mactra compressa Deshayes, 1832 † accepted as Austromactra compressa (Deshayes, 1832) † (unaccepted > superseded combination)
    11. Species Mactra concentrica Bory de Saint-Vincent, 1827 accepted as Mactrellona alata (Spengler, 1802)
    12. Species Mactra congesta Conrad, 1833 † accepted as Mulinia congesta (Conrad, 1833) † (unaccepted > superseded combination)
    13. Species Mactra contortula Deshayes, 1857 † accepted as Austromactra contortula (Deshayes, 1857) † (unaccepted > superseded combination)
    14. Species Mactra contraria Reeve, 1854 accepted as Austromactra contraria (Reeve, 1854)
    15. Species Mactra contraria Deshayes, 1855 accepted as Mactra contraria Reeve, 1854 (synonym and homonym)
    16. Species Mactra coppingeri E. A. Smith, 1884 accepted as Oxyperas coppingeri (E. A. Smith, 1884) (original combination)
    17. Species Mactra coquimba R. A. Philippi, 1887 accepted as Spisula petitii (A. d'Orbigny, 1846)
    18. Species Mactra coquimbana R. A. Philippi, 1893 accepted as Mulinia edulis (P. P. King, 1832)
    19. Species Mactra corbiculoides Reeve, 1854 accepted as Mactra cygnus Gmelin, 1791
    20. Species Mactra corbiculoides Deshayes, 1855 accepted as Mactra corbiculoides Reeve, 1854 (synonym and homonym)
    21. Species Mactra corbuloides Reeve, 1854 accepted as Spisula trigonella (Lamarck, 1818)
    22. Species Mactra corbuloides Deshayes, 1855 accepted as Mactra corbuloides Reeve, 1854
    23. Species Mactra cornea Reeve, 1854 accepted as Mactra antiquata Spengler, 1802
    24. Species Mactra cornea Poli, 1791 accepted as Donacilla cornea (Poli, 1791) (original combination)
    25. Species Mactra crassatella Lamarck, 1818 accepted as Spisula solida (Linnaeus, 1758)
    26. Species Mactra crassitesta Finlay, 1927 † accepted as Spisula crassitesta (H. J. Finlay, 1927) † (superseded combination)
    27. Species Mactra crista Jousseaume, 1894 accepted as Mactrotoma ovalina (Lamarck, 1818) (junior synonym)
    28. Species Mactra cumingiana Petit de la Saussaye, 1853 accepted as Barymactra rostrata (Spengler, 1802)
    29. Species Mactra cuneola A. Gould, 1850 accepted as Mulinia edulis (P. P. King, 1832)
    30. Species Mactra cuvieri Deshayes, 1854 accepted as Mactra cumingii Reeve, 1854
    31. Species Mactra cygnea Spengler, 1802 accepted as Mactra cygnus Gmelin, 1791
    32. Species Mactra cygnea Lamarck, 1799 † accepted as Crassatella ponderosa (Gmelin, 1791) †
    33. Species Mactra cygnea R. A. Philippi, 1844 accepted as Mactra olorina R. A. Philippi, 1846 (unaccepted > junior homonym, junior homonym of Mactra cygnea Lamarck, 1799)
    34. Species Mactra cyprinus W. Wood, 1828 accepted as Anatina cyprinus (W. Wood, 1828) (original combination)
    35. Species Mactra cyrenoides Michelotti, 1861 † accepted as Polymesoda convexa (Brongniart, 1822) † (unaccepted > junior subjective synonym)
    36. Species Mactra danatensis A. A. Ali-Zade, 1967 † accepted as Aktschagylia karabugasica (Andrusov, 1902) † (tentative junior subjective synonym)
    37. Species Mactra davidaschvilii A. A. Ali-Zade, 1967 † accepted as Aktschagylia karabugasica (Andrusov, 1902) † (tentative junior subjective synonym)
    38. Species Mactra dealbata Pulteney, 1799 accepted as Mactrotoma dealbata (Pulteney, 1799) (original combination)
    39. Species Mactra deaurata W. Turton, 1822 accepted as Mesodesma deauratum (W. Turton, 1822) (original combination)
    40. Species Mactra debilis A. Gould, 1850 accepted as Standella pellucida (Gmelin, 1791)
    41. Species Mactra decora Reeve, 1854 accepted as Mactra lilacea Lamarck, 1818 (junior synonym)
    42. Species Mactra decora A. A. Ali-Zade & O. I. Popova, 1967 † accepted as Aktschagylia nazarlebi (K. A. Ali-Zade, 1932) † (junior subjective synonym)
    43. Species Mactra decora Deshayes, 1855 accepted as Mactra decora Reeve, 1854 (synonym and homonym)
    44. Species Mactra delicatula Preston, 1904 accepted as Mactra cuneata Gmelin, 1791 (unaccepted > junior subjective synonym)
      1. Variety Mactra delicatula var. nivea Preston, 1904 accepted as Mactra cuneata Gmelin, 1791 (unaccepted > junior subjective synonym)
    45. Species Mactra deltoides Lamarck, 1818 accepted as Spisula subtruncata (da Costa, 1778)
    46. Species Mactra delumbis Conrad, 1832 † accepted as Spisula (Hemimactra) delumbis (Conrad, 1832) † (unaccepted > superseded combination)
    47. Species Mactra deluta A. Gould, 1850 accepted as Cyclomactra ovata (J. E. Gray, 1843) (unaccepted > junior subjective synonym)
    48. Species Mactra depressa Spengler, 1802 accepted as Mactrotoma depressa (Spengler, 1802)
    49. Species Mactra depressa Lamarck, 1818 accepted as Standella pellucida (Gmelin, 1791)
    50. Species Mactra deshayesii Conrad, 1868 accepted as Mactrotoma nasuta (A. Gould, 1851)
    51. Species Mactra dianae A. A. Ali-Zade, 1967 † accepted as Aktschagylia karabugasica (Andrusov, 1902) † (tentative junior subjective synonym)
    52. Species Mactra diolensis Bouchet & Nicklès, 1976 accepted as Mactrotoma compressa (Spengler, 1802)
    53. Species Mactra discors J. E. Gray, 1837 accepted as Spisula discors (J. E. Gray, 1837) (superseded combination)
    54. Species Mactra dissimilis Deshayes, 1855 accepted as Mactra dissimilis Reeve, 1854 (synonym and homonym)
    55. Species Mactra dolabrata Reeve, 1854 accepted as Mactrinula dolabrata (Reeve, 1854)
    56. Species Mactra dolabrata Deshayes, 1855 accepted as Mactra dolabrata Reeve, 1854 (synonym and homonym)
    57. Species Mactra dolabriformis (Conrad, 1867) accepted as Simomactra dolabriformis (Conrad, 1867) (unaccepted > superseded combination)
    58. Species Mactra donacia Lamarck, 1818 accepted as Mesodesma donacium (Lamarck, 1818)
    59. Species Mactra dunkeri Yokoyama, 1922 accepted as Spisula sachalinensis (Schrenck, 1862)
    60. Species Mactra dysoni Reeve, 1854 accepted as Mactra eburnea R. A. Philippi, 1849
    61. Species Mactra ebersini A. A. Ali-Zade, 1967 † accepted as Aktschagylia subcaspia (Andrusov, 1902) † (tentative junior subjective synonym)
    62. Species Mactra edulis P. P. King, 1832 accepted as Mulinia edulis (P. P. King, 1832) (original combination)
    63. Species Mactra egena Reeve, 1854 accepted as Oxyperas egena (Reeve, 1854)
    64. Species Mactra egena Deshayes, 1855 accepted as Mactra egena Reeve, 1854 (synonym and homonym)
    65. Species Mactra eichwaldi Laskarev, 1914 † accepted as Podolimactra eichwaldi (Laskarew, 1914) † (unaccepted > superseded combination)
    66. Species Mactra elegans G. B. Sowerby I, 1825 accepted as Harvella elegans (G. B. Sowerby I, 1825) (original combination)
    67. Species Mactra elegans F. W. Hutton, 1873 † accepted as Mactra ordinaria E. A. Smith, 1898 (Invalid: not G.B. Sowerby I, 1825 (homonym). Mactra ordinaria E.A. Smith 1898 is a replacment name)
    68. Species Mactra elliptica T. Brown, 1827 accepted as Spisula elliptica (T. Brown, 1827)
    69. Species Mactra elongata Quoy & Gaimard, 1835 accepted as Oxyperas elongata (Quoy & Gaimard, 1835) (superseded combination)
    70. Species Mactra epidermia R. A. Philippi, 1893 accepted as Mactra fuegiensis E. A. Smith, 1905 (unaccepted > junior homonym, junior homonym of Mactra epidermia Deshayes in Reeve, 1854)
    71. Species Mactra epidermia Reeve, 1854 accepted as Mactra glauca Born, 1778
    72. Species Mactra erebea Brongniart, 1823 † accepted as Corbicula erebea (Brongniart, 1823) † (unaccepted > superseded combination)
    73. Species Mactra estrellana Olsson, 1922 accepted as Harvella elegans (G. B. Sowerby I, 1825)
    74. Species Mactra eurydicae A. A. Ali-Zade, 1967 † accepted as Aktschagylia karabugasica (Andrusov, 1902) † (tentative junior subjective synonym)
    75. Species Mactra euxinica Krynicki, 1837 accepted as Spisula subtruncata (da Costa, 1778) (unaccepted > nomen nudum)
    76. Species Mactra exoleta J. E. Gray, 1837 accepted as Mactrellona exoleta (Gray, 1837) (original combination)
    77. Species Mactra explanata Deshayes, 1855 accepted as Mactra explanata Reeve, 1854 (synonym and homonym)
    78. Species Mactra explanata Reeve, 1854 accepted as Mactrotoma explanata (Reeve, 1854) (superseded combination)
    79. Species Mactra fabreana A. d'Orbigny, 1844 † accepted as Sarmatimactra fabreana (A. d'Orbigny, 1844) † (unaccepted > superseded combination)
    80. Species Mactra falcata A. Gould, 1850 accepted as Simomactra falcata (A. Gould, 1850) (original combination)
    81. Species Mactra fasciata Lamarck, 1818 accepted as Mactra stultorum (Linnaeus, 1758)
    82. Species Mactra fauroti Jousseaume, 1888 accepted as Mactra lilacea Lamarck, 1818 (junior synonym)
    83. Species Mactra fluviatilis Angas, 1871 accepted as Spisula trigonella (Lamarck, 1818)
    84. Species Mactra fonsecana Hertlein & A. M. Strong, 1950 accepted as Mactrotoma isthmica (Pilsbry & H. N. Lowe, 1932)
    85. Species Mactra fragilis Gmelin, 1791 accepted as Mactrotoma fragilis (Gmelin, 1791) (original combination)
      1. Variety Mactra fragilis var. gigas Nowell-Usticke, 1969 accepted as Mactrotoma fragilis (Gmelin, 1791)
    86. Species Mactra fragilis Chemnitz, 1782 accepted as Mactra fragilis Gmelin, 1791 (unaccepted > unavailable name, published in a work rejected by ICZN, 1944, Opinion 184)
    87. Species Mactra fragilis Laskarew, 1903 † accepted as Mactra eichwaldi Laskarev, 1914 † (unaccepted > junior homonym)
    88. Species Mactra fujinensis Yokoyama, 1923 accepted as Serripes (Serripes) groenlandicus groenlandicus (Mohr, 1786)
    89. Species Mactra gabbi Tryon, 1870 accepted as Mulinia edulis (P. P. King, 1832)
    90. Species Mactra gallina Spengler, 1802 accepted as Spisula solida (Linnaeus, 1758)
    91. Species Mactra gedroitzi (V. P. Kolesnikov, 1950) † accepted as Aktschagylia nazarlebi (K. A. Ali-Zade, 1932) † (junior subjective synonym)
    92. Species Mactra geranica A. A. Ali-Zade & Kabakova, 1967 † accepted as Aktschagylia venjukovi (Andrusov, 1902) † (junior subjective synonym)
    93. Species Mactra gibba A. A. Ali-Zade & Kabakova, 1967 † accepted as Aktschagylia eldarica (V. P. Kolesnikov, 1950) † (junior subjective synonym)
    94. Species Mactra gibbosa A. A. Ali-Zade & O. I. Popova, 1967 † accepted as Aktschagylia nazarlebi (K. A. Ali-Zade, 1932) † (junior subjective synonym)
    95. Species Mactra gibbosula Reeve, 1854 accepted as Mactra quadrangularis Reeve, 1854
    96. Species Mactra gigantea Lamarck, 1818 accepted as Spisula solidissima (Dillwyn, 1817) (unaccepted > junior subjective synonym)
    97. Species Mactra glabrata Gmelin, 1791 accepted as Atactodea striata (Gmelin, 1791)
    98. Species Mactra goniata Deshayes, 1855 accepted as Mulinia pallida (Broderip & G. B. Sowerby I, 1829)
    99. Species Mactra goniocyma Pilsbry & H. N. Lowe, 1932 accepted as Mactrinula goniocyma (Pilsbry & H. N. Lowe, 1932) (unaccepted > superseded combination)
    100. Species Mactra gracilis Locard, 1891 accepted as Spisula elliptica (T. Brown, 1827)
    101. Species Mactra grandis Deshayes, 1832 accepted as Mactromeris polynyma (W. Stimpson, 1860)
    102. Species Mactra grayana Schrenck, 1867 accepted as Mactromeris polynyma (W. Stimpson, 1860)
    103. Species Mactra guadelupensis Récluz, 1852 accepted as Mulinia cleryana (A. d'Orbigny, 1846)
    104. Species Mactra helvacea Lamarck, 1818 accepted as Mactra glauca Born, 1778
    105. Species Mactra hemphillii Dall, 1894 accepted as Mactromeris hemphillii (Dall, 1894) (original combination)
    106. Species Mactra hepatica Reeve, 1854 accepted as Mactra cygnus Gmelin, 1791
    107. Species Mactra hepatica Deshayes, 1855 accepted as Mactra hepatica Reeve, 1854 (synonym and homonym)
    108. Species Mactra hians Pulteney, 1799 accepted as Lutraria oblonga (Gmelin, 1791)
    109. Species Mactra hians R. A. Philippi, 1846 accepted as Mactra rochebrunei E. Lamy, 1916 (unaccepted > junior homonym, junior homonym of Mactra hians Pulteney, 1799)
    110. Species Mactra hiantina Deshayes, 1855 accepted as Mactrotoma nasuta (A. Gould, 1851)
    111. Species Mactra hoffstetteri Cauquoin, 1969 accepted as Spisula williamsi (S. S. Berry, 1960)
    112. Species Mactra howchiniana Tate, 1887 † accepted as Electomactra howchiniana (Tate, 1887) †
    113. Species Mactra iheringi (Dall, 1897) accepted as Trinitasia iheringi (Dall, 1897)
    114. Species Mactra imago Andrusov, 1905 † accepted as Aktschagylia ossoskovi (Andrusov, 1902) † (junior subjective synonym)
    115. Species Mactra inaequalis Deshayes, 1855 accepted as Mactra inaequalis Reeve, 1854 (synonym and homonym)
    116. Species Mactra inceri Petuch, 1998 accepted as Trinitasia iheringi (Dall, 1897)
    117. Species Mactra incongrua Reeve, 1854 accepted as Mactra cygnus Gmelin, 1791
    118. Species Mactra incongrua Deshayes, 1855 accepted as Mactra incongrua Reeve, 1854 (synonym and homonym)
    119. Species Mactra inconstans Cosel, 1995 accepted as Anatina inconstans (Cosel, 1995)
    120. Species Mactra inflata Bronn, 1831 accepted as Mactra stultorum (Linnaeus, 1758)
    121. Species Mactra inflata F. W. Hutton, 1873 † accepted as Cyclomactra ovata (J. E. Gray, 1843) (junior subjective synonym)
    122. Species Mactra inostranzevi Andrusov, 1902 † accepted as Aktschagylia inostranzevi (Andrusov, 1902) †
      1. Variety Mactra inostranzevi var. utvensis Andrusov, 1902 † accepted as Aktschagylia inostranzevi (Andrusov, 1902) † (subjective synonym)
    123. Species Mactra intermedia Aradas, 1847 accepted as Mactra stultorum (Linnaeus, 1758) (dubious synonym)
    124. Species Mactra intuspicta Deshayes, 1855 accepted as Mactra cygnus Gmelin, 1791
    125. Species Mactra isthmia Jousseaume, 1888 accepted as Mactra olorina R. A. Philippi, 1846
    126. Species Mactra isthmica Pilsbry & H. N. Lowe, 1932 accepted as Mactrotoma isthmica (Pilsbry & H. N. Lowe, 1932) (unaccepted > superseded combination)
    127. Species Mactra janeiroensis E. A. Smith, 1915 accepted as Mactrotoma janeiroensis (E. A. Smith, 1915) (original combination)
    128. Species Mactra jickelii Weinkauff, 1881 accepted as Mactra lilacea Lamarck, 1818 (junior synonym)
    129. Species Mactra jonasi R. A. Philippi, 1893 accepted as Mulinia exalbida J. E. Gray, 1837 (unaccepted > junior subjective synonym)
    130. Species Mactra jousseaumi Mabille & Rochebrune, 1889 accepted as Mulinia byronensis J. E. Gray, 1837
    131. Species Mactra kambai A. A. Ali-Zade, 1967 † accepted as Aktschagylia subcaspia (Andrusov, 1902) † (tentative junior subjective synonym)
    132. Species Mactra karabugasica Andrusov, 1902 † accepted as Aktschagylia karabugasica (Andrusov, 1902) †
    133. Species Mactra kolesnikovi A. A. Ali-Zade, 1967 † accepted as Aktschagylia subcaspia (Andrusov, 1902) † (tentative junior subjective synonym)
    134. Species Mactra kraussi W. H. Turton, 1932 accepted as Mactrotoma ovalina (Lamarck, 1818) (junior synonym)
    135. Species Mactra kuraense [sic] † accepted as Aktschagylia nazarlebi (K. A. Ali-Zade, 1932) † (junior subjective synonym; incorrect original spelling)
    136. Species Mactra kurense A. A. Ali-Zade & O. I. Popova, 1967 † accepted as Aktschagylia nazarlebi (K. A. Ali-Zade, 1932) † (junior subjective synonym)
    137. Species Mactra lacinata P. P. Carpenter, 1856 accepted as Mulinia pallida (Broderip & G. B. Sowerby I, 1829)
    138. Species Mactra lactea Poli, 1791 accepted as Spisula subtruncata (da Costa, 1778)
    139. Species Mactra lactea (Poli, 1795) sensu Lamarck, 1818 accepted as Mactra stultorum (Linnaeus, 1758) (misapplication)
    140. Species Mactra lactea Gmelin, 1791 accepted as Mactra corallina (Linnaeus, 1758)
    141. Species Mactra laevigata Schumacher, 1817 accepted as Mactrellona alata (Spengler, 1802)
    142. Species Mactra laevis Reeve, 1854 accepted as Mactrinula striatula (Linnaeus, 1767)
    143. Species Mactra laevis Dunker, 1871 accepted as Mactra lilacea Lamarck, 1818 (junior synonym)
    144. Species Mactra lamarckii R. A. Philippi, 1846 accepted as Mactra grandis Gmelin, 1791
    145. Species Mactra lamberti Deshayes, 1857 † accepted as Austromactra lamberti (Deshayes, 1857) † (unaccepted > superseded combination)
    146. Species Mactra laminifera E. Lamy, 1906 accepted as Cyamiomactra laminifera (E. Lamy, 1906) (original combination)
    147. Species Mactra largillierti R. A. Philippi, 1849 accepted as Mactra glabrata Linnaeus, 1767
    148. Species Mactra lateralis Say, 1822 accepted as Mulinia lateralis (Say, 1822)
    149. Species Mactra laudunensis Watelet, 1853 † accepted as Austromactra laudunensis (Watelet, 1853) † (unaccepted > superseded combination)
    150. Species Mactra lavata F. W. Hutton, 1885 † accepted as Cyclomactra ovata (J. E. Gray, 1843) (junior subjective synonym)
    151. Species Mactra leda H. J. Finlay, 1924 † accepted as Oxyperas leda (H. J. Finlay, 1924) † (superseded combination)
    152. Species Mactra lenticularis A. A. Ali-Zade, 1967 † accepted as Aktschagylia inostranzevi (Andrusov, 1902) † (tentative junior subjective synonym)
    153. Species Mactra levicardo E. A. Smith, 1881 accepted as Mulinia levicardo (E. A. Smith, 1881) (original combination)
    154. Species Mactra lisor Anton, 1838 accepted as Mactra glabrata Linnaeus, 1767
    155. Species Mactra listeri Gmelin, 1791 accepted as Scrobicularia plana (da Costa, 1778)
    156. Species Mactra loebbeckeana Weinkauff, 1881 accepted as Mactromeris polynyma (W. Stimpson, 1860)
    157. Species Mactra longa A. A. Ali-Zade & Kabakova, 1969 † accepted as Aktschagylia karabugasica (Andrusov, 1902) † (junior subjective synonym)
    158. Species Mactra lotensis R. A. Philippi, 1893 accepted as Mulinia byronensis J. E. Gray, 1837
    159. Species Mactra loustauae Bayan, 1873 † accepted as Austromactra loustauae (Bayan, 1873) † (unaccepted > superseded combination)
    160. Species Mactra luedorfii Dunker, 1864 accepted as Spisula sachalinensis (Schrenck, 1862) (unaccepted > junior subjective synonym)
    161. Species Mactra luppovi A. A. Ali-Zade, 1967 † accepted as Aktschagylia subcaspia (Andrusov, 1902) † (tentative junior subjective synonym)
    162. Species Mactra lurida R. A. Philippi, 1850 accepted as Mactra cygnus Gmelin, 1791
    163. Species Mactra luteola Lovén, 1846 accepted as Spisula elliptica (T. Brown, 1827)
    164. Species Mactra luzonica Deshayes, 1855 accepted as Mactra luzonica Reeve, 1854 (synonym and homonym)
    165. Species Mactra maculosa Lamarck, 1818 accepted as Mactra achatina Holten, 1802
    166. Species Mactra magellanica R. A. Philippi, 1893 accepted as Mulinia edulis (P. P. King, 1832)
    167. Species Mactra mana A. A. Ali-Zade & O. I. Popova, 1967 † accepted as Aktschagylia nazarlebi (K. A. Ali-Zade, 1932) † (junior subjective synonym)
    168. Species Mactra marcida A. Gould, 1850 accepted as Mulinia edulis (P. P. King, 1832)
    169. Species Mactra mariae A. Adams, 1856 accepted as Oxyperas elongata (Quoy & Gaimard, 1835) (junior subjective synonym)
    170. Species Mactra markovae A. A. Ali-Zade, 1967 † accepted as Aktschagylia karabugasica (Andrusov, 1902) † (tentative junior subjective synonym)
    171. Species Mactra matthewsi Tate, 1889 accepted as Mactra jacksonensis E. A. Smith, 1885
    172. Species Mactra mendica A. Gould, 1851 accepted as Rangia mendica (A. Gould, 1851) (original combination)
    173. Species Mactra mera Reeve, 1854 accepted as Mactra grandis Gmelin, 1791
    174. Species Mactra meretriciformis Reeve, 1854 accepted as Mactra abbreviata Lamarck, 1818
    175. Species Mactra micronitida Cosel, 1995 accepted as Scissodesma micronitida (Cosel, 1995)
    176. Species Mactra minerva A. A. Ali-Zade & O. I. Popova, 1967 † accepted as Aktschagylia nazarlebi (K. A. Ali-Zade, 1932) † (junior subjective synonym)
    177. Species Mactra minutissima Montagu, 1808 accepted as Goodallia triangularis (Montagu, 1803)
    178. Species Mactra miserabilis Andrusov, 1902 † accepted as Kirghizella miserabilis (Andrusov, 1902) †
    179. Species Mactra modesta P. P. Carpenter, 1864 accepted as Mulinia modesta (P. P. Carpenter, 1864) (original combination)
    180. Species Mactra mula Marwick, 1948 † accepted as Mactrula mula (Marwick, 1948) † (superseded combination)
    181. Species Mactra murchisoni Deshayes, 1855 accepted as Mactra murchisoni Reeve, 1854 (synonym and homonym)
    182. Species Mactra murchisoni Reeve, 1854 accepted as Spisula murchisoni (Reeve, 1854) (superseded combination)
    183. Species Mactra nasuta A. Gould, 1851 accepted as Mactrotoma nasuta (A. Gould, 1851) (original combination)
    184. Species Mactra nazarlebi K. A. Ali-Zade, 1932 † accepted as Aktschagylia nazarlebi (K. A. Ali-Zade, 1932) †
    185. Species Mactra neapolitana Poli, 1791 accepted as Mactra glauca Born, 1778
    186. Species Mactra nebulosa Bory de Saint-Vincent, 1827 accepted as Mactra maculata Gmelin, 1791
    187. Species Mactra nicobarica Gmelin, 1791 accepted as Meropesta nicobarica (Gmelin, 1791)
    188. Species Mactra nitida Gmelin, 1791 accepted as Scissodesma nitida (Gmelin, 1791)
    189. Species Mactra nitida Spengler, 1802 accepted as Scissodesma nitida (Gmelin, 1791) (not an available name; available from Gmelin, 1791)
      1. Species Mactra nuttallii Reeve, 1854 accepted as Anatina anatina (Spengler, 1802)
      2. Species Mactra obesa Deshayes, 1854 accepted as Mactra abbreviata Lamarck, 1818
      3. Species Mactra oblonga Say, 1822 accepted as Mactrotoma fragilis (Gmelin, 1791)
      4. Species Mactra ochracea E. von Martens, 1879 accepted as Mactra lilacea Lamarck, 1818 (junior synonym)
      5. Species Mactra opipara A. A. Ali-Zade, 1967 † accepted as Aktschagylia subcaspia (Andrusov, 1902) † (tentative junior subjective synonym)
      6. Species Mactra opposita Deshayes, 1855 accepted as Mactra opposita Reeve, 1854 (synonym and homonym)
      7. Species Mactra ordinaria E. A. Smith, 1898 accepted as Maorimactra ordinaria (E. A. Smith, 1898) (superseded combination)
      8. Species Mactra ornata Gray, 1837 accepted as Mactra achatina Holten, 1802
      9. Species Mactra ossoskovi Andrusov, 1902 † accepted as Aktschagylia ossoskovi (Andrusov, 1902) †
      10. Species Mactra ovalina E. A. Smith, 1914 accepted as Mactrotoma antecedens (Iredale, 1930)
      11. Species Mactra ovalina Lamarck, 1818 accepted as Standella ovalina (Lamarck, 1818) (original combination)
      12. Species Mactra ovalis J. Sowerby, 1817 † accepted as Spisula solida (Linnaeus, 1758)
      13. Species Mactra ovalis A. Gould, 1840 accepted as Mactromeris polynyma (W. Stimpson, 1860) (invalid: junior homonym of Mactra ovalis J. Sowerby, 1817; Mactra polynyma is a replacement name)
      14. Species Mactra ovata W. Wood, 1828 accepted as Paphies australis (Gmelin, 1791) (unaccepted > junior subjective synonym)
      15. Species Mactra pacata A. A. Ali-Zade, 1967 † accepted as Aktschagylia subcaspia (Andrusov, 1902) † (tentative junior subjective synonym)
      16. Species Mactra paitensis R. A. Philippi, 1893 accepted as Mactrotoma velata (R. A. Philippi, 1849)
      17. Species Mactra pallida Broderip & G. B. Sowerby I, 1829 accepted as Mulinia pallida (Broderip & G. B. Sowerby I, 1829) (original combination)
      18. Species Mactra papillata A. A. Ali-Zade, 1967 † accepted as Aktschagylia eldarica (V. P. Kolesnikov, 1950) † (junior subjective synonym)
      19. Species Mactra papyracea Chemnitz, 1782 accepted as Mactra papyracea Gmelin, 1791 (unavailable name: published in a work rejected by ICZN Direction 1; available from Gmelin, 1791)
      20. Species Mactra papyracea Gmelin, 1791 accepted as Clementia papyracea (Gmelin, 1791) (unaccepted > superseded combination)
      21. Species Mactra parameces Cossmann, 1886 † accepted as Austromactra parameces (Cossmann, 1886) † (unaccepted > superseded combination)
      22. Species Mactra parkesiana Hedley, 1902 accepted as Mactrotoma explanata (Reeve, 1854) (junior subjective synonym)
      23. Species Mactra paulucci Aradas & Benoit, 1871 accepted as Mactra stultorum (Linnaeus, 1758) (unaccepted > junior subjective synonym)
      24. Species Mactra paulucciae Locard, 1890 accepted as Mactra paulucci Aradas & Benoit, 1871 (unjustified emendation of paulucci Aradas & Benoit, 1872)
      25. Species Mactra pellicula Reeve, 1854 accepted as Raeta pellicula (Reeve, 1854)
      26. Species Mactra pellicula Deshayes, 1855 accepted as Mactra pellicula Reeve, 1854 (synonym and homonym)
      27. Species Mactra pellucida Gmelin, 1791 accepted as Standella pellucida (Gmelin, 1791) (unaccepted > superseded combination)
      28. Species Mactra pencana R. A. Philippi, 1893 accepted as Mulinia byronensis J. E. Gray, 1837
      29. Species Mactra pinguis Crosse & P. Fischer, 1864 accepted as Anapella cycladea (Lamarck, 1818)
      30. Species Mactra piperata Poiret, 1789 accepted as Scrobicularia plana (da Costa, 1778)
      31. Species Mactra plana Belokrys, 1964 † accepted as Planimactra plana (Belokrys, 1964) † (unaccepted > superseded combination)
      32. Species Mactra planata Spengler, 1802 accepted as Lutraria complanata (Gmelin, 1791)
      33. Species Mactra planulata Conrad, 1837 accepted as Simomactra planulata (Conrad, 1837)
      34. Species Mactra plicataria Linnaeus, 1767 accepted as Mactrinula plicataria (Linnaeus, 1767)
      35. Species Mactra plicatilis Reeve, 1854 accepted as Tumbeziconcha plicatilis (Reeve, 1854)
      36. Species Mactra plicatilis Deshayes, 1855 accepted as Mactra plicatilis Reeve, 1854 (synonym and homonym)
      37. Species Mactra polita Reeve, 1854 accepted as Mactra australis Lamarck, 1818 (unaccepted > junior subjective synonym)
      38. Species Mactra polynyma W. Stimpson, 1860 accepted as Mactromeris polynyma (W. Stimpson, 1860) (unaccepted > superseded combination)
      39. Species Mactra ponderosa R. A. Philippi, 1844 accepted as Mactromeris polynyma (W. Stimpson, 1860)
      40. Species Mactra ponderosa Conrad, 1830 † accepted as Mactra subponderosa A. d'Orbigny, 1852 † (unaccepted > junior homonym)
      41. Species Mactra portentosa A. A. Ali-Zade, 1967 † accepted as Aktschagylia eldarica (V. P. Kolesnikov, 1950) † (junior subjective synonym)
      42. Species Mactra proaspersa Sacco, 1901 sensu Ardovini & al., 2004 accepted as Oxyperas egena (Reeve, 1854)
      43. Species Mactra procera Dillwyn, 1817 accepted as Spisula solidissima (Dillwyn, 1817) (unaccepted > junior subjective synonym)
      44. Species Mactra pulchra Gray, 1837 accepted as Mactra lilacea Lamarck, 1818 (junior synonym)
      45. Species Mactra pulla R. A. Philippi, 1849 accepted as Mactra sauliana Gray, 1838
      46. Species Mactra purpurea Spengler, 1802 accepted as Mactra cygnus Gmelin, 1791
      47. Species Mactra radiata Spengler, 1802 accepted as Mactra grandis Gmelin, 1791
      48. Species Mactra radiata Donovan, 1803 accepted as Serripes groenlandicus (Mohr, 1786)
      49. Species Mactra radiolata Reeve, 1854 accepted as Mactra cygnus Gmelin, 1791
      50. Species Mactra radiolata Deshayes, 1855 accepted as Mactra radiolata Reeve, 1854 (synonym and homonym)
      51. Species Mactra raveneli Conrad, 1832 accepted as Spisula raveneli (Conrad, 1832)
      52. Species Mactra recondita Deshayes, 1857 † accepted as Austromactra recondita (Deshayes, 1857) † (unaccepted > superseded combination)
      53. Species Mactra recurva W. Wood, 1828 accepted as Anatina anatina (Spengler, 1802)
      54. Species Mactra reevei Reeve, 1854 accepted as Mactra maculata Gmelin, 1791
      55. Species Mactra reevesii J. E. Gray, 1837 accepted as Mactrinula reevesii (J. E. Gray, 1837) (original combination)
      56. Species Mactra reticulata Spengler, 1802 accepted as Meropesta nicobarica (Gmelin, 1791)
      57. Species Mactra richmondi Dall, 1894 accepted as Mactra petitii A. d'Orbigny, 1846
      58. Species Mactra rostralis Reeve, 1854 accepted as Raeta pulchella (A. Adams & Reeve, 1850)
      59. Species Mactra rostralis Deshayes, 1855 accepted as Mactra rostralis Reeve, 1854 (synonym and homonym)
      60. Species Mactra rostrata Spengler, 1802 accepted as Barymactra rostrata (Spengler, 1802)
      61. Species Mactra rostrata Spengler, 1802 sensu Reeve, 1854 accepted as Spisula trigonella (Lamarck, 1818) (misapplication)
      62. Species Mactra rostrata R. A. Philippi, 1849 accepted as Mulinia lateralis (Say, 1822)
      63. Species Mactra rudis F. W. Hutton, 1873 † accepted as Cyclomactra tristis (Reeve, 1854) (junior subjective synonym)
      64. Species Mactra rufa Lamarck, 1818 accepted as Mactra stultorum (Linnaeus, 1758)
      65. Species Mactra rufanensis W. H. Turton, 1932 accepted as Mactra lilacea Lamarck, 1818 (junior synonym)
      66. Species Mactra rufescens Lamarck, 1818 accepted as Austromactra rufescens (Lamarck, 1818)
      67. Species Mactra rugata G. B. Sowerby I, 1846 † accepted as Mya rugata (G. B. Sowerby I, 1846) † (unaccepted > superseded combination)
      68. Species Mactra rugifera Dunker, 1862 accepted as Austromactra rufescens (Lamarck, 1818)
      69. Species Mactra rugosa Helbling, 1779 accepted as Eastonia rugosa (Helbling, 1779) (unaccepted > superseded combination)
      70. Species Mactra sachalinensis Schrenck, 1862 accepted as Spisula sachalinensis (Schrenck, 1862)
        1. Variety Mactra sachalinensis var. conjunctiva Jeffreys, 1864 accepted as Spisula solida (Linnaeus, 1758)
        2. Variety Mactra sachalinensis var. imperialis Yokoyama, 1922 accepted as Spisula sachalinensis (Schrenck, 1862)
      71. Species Mactra sanctiblasii Maury, 1925 accepted as Harvella elegans (G. B. Sowerby I, 1825)
      72. Species Mactra sauliae [sic] accepted as Mactra sauliana Gray, 1838 (incorrect subsequent spelling of sauliana Gray, 1838 in Reeve (1854) and subsequent authors)
      73. Species Mactra saulii [sic] accepted as Mactra sauliana Gray, 1838 (incorrect subsequent spelling by Hanley, 1843)
      74. Species Mactra scalpellum Reeve, 1854 accepted as Scalpomactra scalpellum (Reeve, 1854) (superseded combination)
      75. Species Mactra scalpellum Deshayes, 1855 accepted as Mactra scalpellum Reeve, 1854 (synonym and homonym)
      76. Species Mactra schirvanica Andrusov, 1905 † accepted as Aktschagylia schirvanica (Andrusov, 1905) † (unaccepted > superseded combination)
      77. Species Mactra semistriata Reeve, 1854 accepted as Mactra lilacea Lamarck, 1818 (junior synonym)
      78. Species Mactra semisulcata Reeve, 1854 accepted as Mactra deshayesi Mayer, 1867 (unaccepted > junior homonym, junior homonym of Mactra semisulcata Lamarck, 1805)
      79. Species Mactra semisulcata Lamarck, 1805 † accepted as Austromactra semisulcata (Lamarck, 1805) † (unaccepted > superseded combination)
      80. Species Mactra senegalensis R. A. Philippi, 1849 sensu Reeve, 1854 accepted as Tumbeziconcha senegalica (Cosel, 1995) (unaccepted > misapplication)
      81. Species Mactra senegalensis R. A. Philippi, 1849 accepted as Mactra glabrata Linnaeus, 1767 (unaccepted > junior subjective synonym)
      82. Species Mactra sericea Brusina, 1865 accepted as Mactra glauca Born, 1778
      83. Species Mactra sericea Deshayes, 1855 accepted as Mactra sericea Reeve, 1854 (synonym and homonym)
      84. Species Mactra setosa Quoy & Quimard, 1835 accepted as Mactra maculata Gmelin, 1791
      85. Species Mactra sibyllae Valenciennes, 1858 accepted as Spisula sibyllae (Valenciennes, 1858) (unaccepted > superseded combination)
      86. Species Mactra silicula Deshayes, 1855 accepted as Mactrotoma angulifera (Reeve, 1854) (junior primary homonym of Mactra silicula Reeve, 1854)
      87. Species Mactra silicula Reeve, 1854 accepted as Mactrotoma compressa (Spengler, 1802)
      88. Species Mactra similis W. Wood, 1828 accepted as Mactromeris polynyma (W. Stimpson, 1860)
      89. Species Mactra similis Say, 1822 accepted as Spisula solidissima (Dillwyn, 1817)
      90. Species Mactra sirena Brongniart, 1823 † accepted as Corbicula sirena (Brongniart, 1823) † (unaccepted > superseded combination)
      91. Species Mactra solida (Linnaeus, 1758) accepted as Spisula solida (Linnaeus, 1758) (unaccepted > superseded combination)
        1. Variety Mactra solida var. conjunctiva Jeffreys, 1864 accepted as Spisula solida (Linnaeus, 1758) (synonym)
      92. Species Mactra solidissima Dillwyn, 1817 accepted as Spisula solidissima (Dillwyn, 1817) (unaccepted > superseded combination)
        1. Subspecies Mactra solidissima curta A. Gould, 1871 accepted as Spisula solidissima (Dillwyn, 1817)
      93. Species Mactra spectabilis Lischke, 1871 accepted as Mactra antiquata Spengler, 1802
      94. Species Mactra spengleri Linnaeus, 1767 accepted as Scissodesma spengleri (Linnaeus, 1767)
      95. Species Mactra squalida Lamarck, 1818 accepted as Mactra maculata Gmelin, 1791
      96. Species Mactra straminea Lamarck, 1818 accepted as Scissodesma nitida (Gmelin, 1791)
      97. Species Mactra striata Gmelin, 1791 accepted as Atactodea striata (Gmelin, 1791)
      98. Species Mactra striata Spengler, 1802 accepted as Mactra olorina R. A. Philippi, 1846
      99. Species Mactra striata Nyst, 1845 accepted as Spisula solida (Linnaeus, 1758)
      100. Species Mactra striata T. Brown, 1827 accepted as Spisula subtruncata (da Costa, 1778)
      101. Species Mactra striatella Lamarck, 1818 accepted as Leptospisula nivea (Gmelin, 1791)
      102. Species Mactra striatula Linnaeus, 1767 accepted as Mactrinula striatula (Linnaeus, 1767)
      103. Species Mactra subalata Mörch, 1860 accepted as Mactrellona subalata (Mörch, 1860) (original combination)
      104. Species Mactra subcaspia Andrusov, 1902 † accepted as Aktschagylia subcaspia (Andrusov, 1902) †
      105. Species Mactra sublanceolata Deshayes, 1855 accepted as Mactra cumingii Reeve, 1854
      106. Species Mactra subplicata Lamarck, 1818 accepted as Mactrinula subplicata (Lamarck, 1818)
      107. Species Mactra subplicata W. Wood, 1828 accepted as Mactrinula plicataria (Linnaeus, 1767)
      108. Species Mactra subrostrata Reeve, 1854 accepted as Mactra violacea Gmelin, 1791
      109. Species Mactra subtriangulata W. Wood, 1828 accepted as Paphies subtriangulata (W. Wood, 1828) (superseded combination)
      110. Species Mactra subtrigona (S. V. Wood, 1841) accepted as Goodallia triangularis (Montagu, 1803)
      111. Species Mactra subtruncata (da Costa, 1778) accepted as Spisula subtruncata (da Costa, 1778)
        1. Variety Mactra subtruncata var. conemenosi Bucquoy, Dautzenberg & Dollfus, 1896 accepted as Spisula subtruncata (da Costa, 1778) (synonym)
        2. Variety Mactra subtruncata var. inaequalis Jeffreys, 1864 accepted as Spisula subtruncata (da Costa, 1778) (synonym)
        3. Variety Mactra subtruncata var. tenuis Jeffreys, 1864 accepted as Spisula subtruncata (da Costa, 1778) (synonym)
        4. Variety Mactra subtruncata var. transversa Pallary, 1902 accepted as Spisula subtruncata (da Costa, 1778) (synonym)
      112. Species Mactra sulcata Bory de Saint-Vincent, 1827 accepted as Atactodea striata (Gmelin, 1791)
      113. Species Mactra sulcataria Reeve, 1854 accepted as Mactra chinensis R. A. Philippi, 1846
      114. Species Mactra sulini A. A. Ali-Zade & Kabakova, 1967 † accepted as Aktschagylia subcaspia (Andrusov, 1902) † (junior subjective synonym)
      115. Species Mactra symmetrica Reeve, 1854 accepted as Mactra petitii A. d'Orbigny, 1846
      116. Species Mactra symmetrica A. A. Ali-Zade, 1967 † accepted as Aktschagylia subcaspia (Andrusov, 1902) † (tentative junior subjective synonym)
      117. Species Mactra tapesoides Sinzov, 1897 † accepted as Sarmatimactra tapesoides (Sinzov, 1897) † (unaccepted > superseded combination)
      118. Species Mactra taprobanensis W. Wood, 1828 accepted as Atactodea striata (Gmelin, 1791)
      119. Species Mactra taprobanensis Preston, 1904 accepted as Mactra lilacea Lamarck, 1818 (unaccepted > junior subjective synonym, preoccupied by Mactra taprobanensis Wood, 1828)
      120. Species Mactra tarda A. A. Ali-Zade & Kabakova, 1967 † accepted as Aktschagylia karabugasica (Andrusov, 1902) † (tentative junior subjective synonym)
      121. Species Mactra targioni Aradas & Benoit, 1872 accepted as Mactra adansonii R. A. Philippi, 1849
      122. Species Mactra tellinoides Pulteney, 1799 accepted as Mactrotoma dealbata (Pulteney, 1799)
      123. Species Mactra tellinoides Conrad, 1831 accepted as Cumingia sinuosa A. Adams, 1850 (invalid: junior homonym of Mactra tellinoides Pulteney, 1799)
      124. Species Mactra tenera W. Wood, 1828 accepted as Oxyperas aspersa (G. B. Sowerby I, 1825)
      125. Species Mactra tenuis Montagu, 1803 accepted as Abra tenuis (Montagu, 1803)
      126. Species Mactra thracioides A. Adams & Reeve, 1850 accepted as Tumbeziconcha thracioides (A. Adams & Reeve, 1850) (unaccepted > superseded combination)
      127. Species Mactra transversa Reeve, 1854 accepted as Oxyperas transversa (Reeve, 1854)
      128. Species Mactra transversa Deshayes, 1855 accepted as Mactra transversa Reeve, 1854 (synonym and homonym)
      129. Species Mactra triangula Brocchi, 1814 accepted as Spisula subtruncata (da Costa, 1778)
      130. Species Mactra triangularis Montagu, 1803 accepted as Goodallia triangularis (Montagu, 1803)
      131. Species Mactra triangularis Lamarck, 1818 accepted as Oxyperas lentiginosa (A. Gould, 1852) (Invalid: junior homonym of Mactra triangularis Montagu, 1803)
      132. Species Mactra trigonella Lamarck, 1818 accepted as Spisula trigonella (Lamarck, 1818)
      133. Species Mactra tristis Deshayes, 1855 accepted as Mactra tristis Reeve, 1854 (synonym and homonym)
      134. Species Mactra tristis Reeve, 1854 accepted as Cyclomactra tristis (Reeve, 1854) (superseded combination)
      135. Species Mactra truncata Montagu, 1808 accepted as Spisula solida (Linnaeus, 1758)
      136. Species Mactra tumida Spengler, 1802 accepted as Mactra turgida Gmelin, 1791 (unaccepted > junior subjective synonym)
      137. Species Mactra turkmena A. A. Ali-Zade, 1967 † accepted as Aktschagylia subcaspia (Andrusov, 1902) † (tentative junior subjective synonym)
      138. Species Mactra unicolor Bory de Saint-Vincent, 1827 accepted as Scissodesma nitida (Gmelin, 1791)
      139. Species Mactra uzboica A. A. Ali-Zade, 1967 † accepted as Aktschagylia eldarica (V. P. Kolesnikov, 1950) † (tentative junior subjective synonym)
      140. Species Mactra vanattae Pilsbry & H. N. Lowe, 1932 accepted as Mactrotoma isthmica (Pilsbry & H. N. Lowe, 1932) (junior synonym)
        1. Subspecies Mactra vanattae acymata Pilsbry & H. N. Lowe, 1932 accepted as Mactrotoma isthmica (Pilsbry & H. N. Lowe, 1932) (junior synonym)
      141. Species Mactra velata R. A. Philippi, 1849 accepted as Mactrotoma velata (R. A. Philippi, 1849) (unaccepted > superseded combination)
      142. Species Mactra veneriformis Reeve, 1854 accepted as Mactra quadrangularis Reeve, 1854
      143. Species Mactra veneriformis W. Wood, 1828 accepted as Tridonta borealis Schumacher, 1817 (unaccepted > junior subjective synonym)
      144. Species Mactra venjukovi Andrusov, 1902 † accepted as Aktschagylia venjukovi (Andrusov, 1902) †
      145. Species Mactra venusta A. A. Ali-Zade & Kabakova, 1967 † accepted as Aktschagylia subcaspia (Andrusov, 1902) † (tentative junior subjective synonym)
      146. Species Mactra vestae A. A. Ali-Zade, 1967 † accepted as Aktschagylia karabugasica (Andrusov, 1902) † (tentative junior subjective synonym)
      147. Species Mactra virgo Reeve, 1854 accepted as Mactra pura Reeve, 1854
      148. Species Mactra virgo Deshayes, 1855 accepted as Mactra virgo Reeve, 1854 (synonym and homonym)
      149. Species Mactra vitaliana A. d'Orbigny, 1844 † accepted as Sarmatimactra vitaliana (A. d'Orbigny, 1844) † (unaccepted > superseded combination)
      150. Species Mactra vitrea Spengler, 1802 accepted as Clementia papyracea (Gmelin, 1791)
      151. Species Mactra vitrea Gray, 1837 accepted as Huberimactra grayi (M. Huber, 2015) (junior homonym of Mactra vitrea Spengler, 1802; Anatina grayi is a replacement name)
      152. Species Mactra vitrea Dillwyn, 1817 accepted as Mactra vitrea Spengler, 1802 (The first author to make this name available (taken from Chemnitz, 1795, non-binomial) was Spengler (1802) id=540849, therefore Dillwyn is not deemed to have introduced a new name. (Gofas, Serge))
      153. Species Mactra vitrea Chemnitz, 1795 accepted as Mactra vitrea Spengler, 1802 (unavailable name: published in a work rejected by ICZN direction 1; available from Spengler, 1802)
      154. Species Mactra williamsi Marwick, 1948 † accepted as Cyclomactra williamsi (Marwick, 1948) † (original combination)
      155. Species Mactra williamsi S. S. Berry, 1960 accepted as Spisula adamsi Olsson, 1961 (invalid: junior homonym of Mactra williamsi Marwick, 1948)
      156. Species Mactra zellwegeri Jousseaume, 1894 accepted as Mactra lilacea Lamarck, 1818 (junior synonym)
      157. Species Mactra zhizhchenkoi A. A. Ali-Zade, 1967 † accepted as Avimactra praeaviculoides Cheltsov, 1967 † (tentative junior subjective synonym)
      158. Species Mactra zonata Lischke, 1871 accepted as Mactra quadrangularis Reeve, 1854 (junior subjective synonym)
      159. Species Mactra zorritensis E. T. Nelson, 1870 † accepted as Mulinia zorritensis (E. T. Nelson, 1870) † (unaccepted > superseded combination)
      160. Subgenus Mactra (Coelomactra) Dall, 1895 represented as Coelomactra Dall, 1895
        1. Species Mactra (Coelomactra) nasongoensis Ladd, 1934 † accepted as Coelomactra nasongoensis (Ladd, 1934) †
      161. Subgenus Mactra (Eomactra) Cossmann, 1909 † represented as Mactra Linnaeus, 1767
        1. Species Mactra (Eomactra) bajarunasi V. P. Kolesnikov, 1925 † represented as Mactra bajarunasi V. P. Kolesnikov, 1925 †
        2. Species Mactra (Eomactra) basteroti (Mayer-Eymar, 1853) † represented as Mactra basteroti Mayer, 1853 †
          1. Subspecies Mactra (Eomactra) basteroti konkensis Laskarev, 1899 † represented as Mactra basteroti konkensis Laskarev, 1899 †
      162. Subgenus Mactra (Mactra) Linnaeus, 1767 represented as Mactra Linnaeus, 1767
        1. Species Mactra (Mactra) williamsi S. S. Berry, 1960 accepted as Spisula adamsi Olsson, 1961
      163. Subgenus Mactra (Mactrella) J. E. Gray, 1853 represented as Mactrella J. E. Gray, 1853
        1. Species Mactra (Mactrella) alata (Spengler, 1802) accepted as Mactrellona alata (Spengler, 1802) (unaccepted > superseded combination)
      164. Subgenus Mactra (Mactrinula) J. E. Gray, 1853 represented as Mactrinula J. E. Gray, 1853
        1. Species Mactra (Mactrinula) goniocyma Pilsbry & H. N. Lowe, 1932 accepted as Mactrinula goniocyma (Pilsbry & H. N. Lowe, 1932) (unaccepted > superseded combination)
        2. Species Mactra (Mactrinula) janeiroensis E. A. Smith, 1915 accepted as Mactrotoma janeiroensis (E. A. Smith, 1915) (basionym)
      165. Subgenus Mactra (Nannomactra) Iredale, 1930 represented as Mactra Linnaeus, 1767
      166. Species Mactra ambigua R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M. araucana d'Orbigny, 1843)
      167. Species Mactra amphirrhyncha R. A. Philippi, 1887 † (uncertain > unassessed)
      168. Species Mactra apicina R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M. apicina Reeve, 1854)
      169. Species Mactra araucana A. d'Orbigny, 1843 † (uncertain > unassessed)
      170. Species Mactra arcuata J. Sowerby, 1817 † (uncertain > unassessed)
      171. Species Mactra auca A. d'Orbigny, 1843 † (uncertain > nomen dubium)
      172. Species Mactra biangulata R. A. Philippi, 1887 † (uncertain > unassessed)
      173. Species Mactra bignoniana A. d'Orbigny, 1844 † (uncertain > unassessed)
      174. Species Mactra bullata Deshayes, 1855 (uncertain > taxon inquirendum)
      175. Species Mactra carbonaria R. A. Philippi, 1887 † (uncertain > unassessed)
      176. Species Mactra carteroni A. d'Orbigny, 1845 † (uncertain > unassessed)
      177. Species Mactra chazarica A. A. Ali-Zade, 1967 † (uncertain > taxon inquirendum)
      178. Species Mactra chiliensis W. M. Gabb, 1861 † (uncertain > unassessed)
      179. Species Mactra colossea R. A. Philippi, 1887 † (uncertain > unassessed)
      180. Species Mactra conchae R. A. Philippi, 1887 † (uncertain > unassessed)
      181. Species Mactra cuadrae R. A. Philippi, 1887 † (uncertain > unassessed)
      182. Species Mactra cuneata J. Sowerby, 1817 † (uncertain > unassessed)
      183. Species Mactra diaphana Anton, 1837 (uncertain > taxon inquirendum)
      184. Species Mactra dorbignyi R. A. Philippi, 1887 † (uncertain > unassessed)
      185. Species Mactra dubia J. Sowerby, 1817 † (uncertain > unassessed)
      186. Species Mactra dubia R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M. dubia Sowerby, 1817 and M. dubia d'Archiac, 1854)
      187. Species Mactra dupiniana A. d'Orbigny, 1845 † (uncertain > unassessed)
      188. Species Mactra excisa Anton, 1838 (uncertain, status in recent literature not researched by editor)
      189. Species Mactra ferrieri R. A. Philippi, 1887 † (uncertain > unassessed)
      190. Species Mactra funerata Conrad, 1847 † (uncertain > unassessed)
      191. Species Mactra gabbi R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M. gabbi Tryon, 1870)
      192. Species Mactra ganae R. A. Philippi, 1887 † (uncertain > unassessed)
      193. Species Mactra gibbosa J. Sowerby, 1813 † (uncertain > unassessed)
      194. Species Mactra hualpensis R. A. Philippi, 1887 † (uncertain > unassessed)
      195. Species Mactra hyalina Brocchi, 1814 † (uncertain > unassessed)
      196. Species Mactra ignobilis R. A. Philippi, 1887 † (uncertain > unassessed)
      197. Species Mactra indistincta Ihering, 1897 † (uncertain > unassessed)
      198. Species Mactra involuta R. A. Philippi, 1887 † (uncertain > unassessed)
      199. Species Mactra lebuensis R. A. Philippi, 1887 † (uncertain > unassessed)
      200. Species Mactra lenos R. A. Philippi, 1887 † (uncertain > unassessed)
      201. Species Mactra lepida R. A. Philippi, 1887 † (uncertain > unassessed)
      202. Species Mactra matronensis A. d'Orbigny, 1845 † (uncertain > unassessed)
      203. Species Mactra medinae R. A. Philippi, 1887 † (uncertain > unassessed)
      204. Species Mactra mississippiensis Conrad, 1847 † (uncertain > unassessed)
      205. Species Mactra nesaea R. A. Philippi, 1887 † (uncertain > unassessed)
      206. Species Mactra nitida R. A. Philippi, 1887 (uncertain > unassessed, junior homonym of M. nitida Gmelin, 1798, and M. nitida Spengler, 1802)
      207. Species Mactra nucleus Conrad, 1831 (uncertain > nomen dubium)
      208. Species Mactra nucleus R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M. nucleus Conrad, 1831)
      209. Species Mactra oblonga R. A. Philippi, 1887 † (uncertain > unassessed, junior primary homonym of Mactra oblonga Say, 1822)
      210. Species Mactra ovallei R. A. Philippi, 1887 † (uncertain > nomen dubium)
      211. Species Mactra oxyrrhyncha R. A. Philippi, 1887 † (uncertain > unassessed)
      212. Species Mactra pinguis R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M. pinguis Crosse & Fischer, 1864)
      213. Species Mactra plebeja R. A. Philippi, 1887 † (uncertain > unassessed)
      214. Species Mactra pusilla R. A. Philippi, 1887 † (uncertain > unassessed, junior primary homonym of Mactra pusilla A. Adams, 1856)
      215. Species Mactra quiriquinae R. A. Philippi, 1887 † (uncertain > unassessed)
      216. Species Mactra radiosa Lesson, 1831 (uncertain > unassessed)
      217. Species Mactra remondi R. A. Philippi, 1887 † (uncertain > unassessed)
      218. Species Mactra sagei R. A. Philippi, 1887 † (uncertain > unassessed)
      219. Species Mactra scolia R. A. Philippi, 1887 † (uncertain > unassessed)
      220. Species Mactra similis G. B. Sowerby I, 1839 (uncertain > taxon inquirendum, preoccupied)
      221. Species Mactra simplex R. A. Philippi, 1887 † (uncertain > unassessed)
      222. Species Mactra splendidula R. A. Philippi, 1887 † (uncertain > unassessed)
      223. Species Mactra steinmanni R. A. Philippi, 1887 † (uncertain > unassessed)
      224. Species Mactra subangulata R. A. Philippi, 1887 † (uncertain > unassessed)
      225. Species Mactra subovatina Guppy, 1867 † (uncertain > unassessed)
      226. Species Mactra sulcata R. A. Philippi, 1887 † (uncertain > unassessed, junior primary homonym of Mactra sulcata Bory de Saint-Vincent, 1827)
      227. Species Mactra tenuis R. A. Philippi, 1857 † (uncertain > unassessed, junior homonym of M. tenuis Montagu, 1803)
      228. Species Mactra texana Conrad, 1855 † (uncertain > unassessed)
      229. Species Mactra triangulare Hector, 1870 (uncertain > nomen dubium, Not Mactra triangularis Montagu, 1803 (homonym))
      230. Species Mactra trigona Anton, 1838 (uncertain, status in recent literature not researched by editor)
      231. Species Mactra trigona Zieten, 1833 † (uncertain > unassessed)
      232. Species Mactra tripartita G. B. Sowerby I, 1846 † (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
      233. Species Mactra truncatula R. A. Philippi, 1887 † (uncertain > unassessed)
      234. Species Mactra tumida R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of M tumida Spengler, 1802)
      235. Species Mactra vaga R. A. Philippi, 1887 † (uncertain > unassessed)
      236. Species Mactra valdiviana R. A. Philippi, 1887 † (uncertain > unassessed)
      237. Species Mactra varians R. A. Philippi, 1887 † (uncertain > unassessed)
      238. Species Mactra vicentina R. A. Philippi, 1887 † (uncertain > unassessed)
      239. Species Mactra vidali R. A. Philippi, 1887 † (uncertain > unassessed)
      marine, fresh, terrestrial
      recent + fossil
      feminine
      Linnaeus, C. (1767). Systema naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Ed. 12. 1., Regnum Animale. 1 & 2. <em>Holmiae [Stockholm], Laurentii Salvii.</em> pp. 1-532 [1766] pp. 533-1327 [1767]., available online at http://www.biodiversitylibrary.org/item/83650#5 [details]  OpenAccess publication 
      Nomenclature The official list of names in zoology(ICZN) includes the following entry:
      Mactra Linnaeus, 1767, Systema Naturae, Ed. 12,...  
      Nomenclature The official list of names in zoology(ICZN) includes the following entry:
      Mactra Linnaeus, 1767, Systema Naturae, Ed. 12, vol. 1, part 2, p. 1125 (gender: feminine) (type species, by designation by Gray, 1847 (Proc. zool. Soc. London, 15: 185): Cardium stultorum Linnaeus, 1758, Systema Naturae, Ed. 10, vol. 1, p. 681) (Bivalvia). Op. 94, Direction 72 [1957].
      Keen (in Moore, 1969, Treatise on Invertebrate Paleontology p. N595) mentions an ealier designation of Cardium stultorum as the type species of Mactra.  [details]
      MolluscaBase eds. (2024). MolluscaBase. Mactra Linnaeus, 1767. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=138158 on 2024-07-17
      Date
      action
      by
      2004-12-21 15:54:05Z
      created
      2012-03-09 11:53:15Z
      changed
      2012-03-31 12:25:37Z
      changed
      2017-11-14 17:01:17Z
      changed
      2019-07-26 01:12:07Z
      changed
      2023-01-26 09:30:58Z
      changed

      Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


      original description Linnaeus, C. (1767). Systema naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Ed. 12. 1., Regnum Animale. 1 & 2. <em>Holmiae [Stockholm], Laurentii Salvii.</em> pp. 1-532 [1766] pp. 533-1327 [1767]., available online at http://www.biodiversitylibrary.org/item/83650#5 [details]  OpenAccess publication 

      original description  (of Colorimactra Iredale, 1929) Iredale, T. (1929). Queensland molluscan notes, No. 1. <em>Memoirs of the Queensland Museum.</em> 9(3): 261-297, pls 30-31 [29 June 1929]., available online at https://www.biodiversitylibrary.org/page/52430219
      page(s): 268 [details]   

      original description  (of Trigonella da Costa, 1778) Da Costa, E. M. (1778). <i>Historia naturalis testaceorum Britanniæ, or, the British conchology</i>; containing the descriptions and other particulars of natural history of the shells of Great Britain and Ireland: illustrated with figures. In English and French. - Historia naturalis testaceorum Britanniæ, ou, la conchologie Britannique; contenant les descriptions & autres particularités d'histoire naturelle des coquilles de la Grande Bretagne & de l'Irlande: avec figures en taille douce. En anglois & françois. i-xii, 1-254, i-vii, [1], Pl. I-XVII. London. (Millan, White, Emsley & Robson). , available online at https://www.biodiversitylibrary.org/page/13116783
      page(s): 196. [details]  OpenAccess publication 

      original description  (of Telemactra Iredale, 1929) Iredale, T. (1929). Queensland molluscan notes, No. 1. <em>Memoirs of the Queensland Museum.</em> 9(3): 261-297, pls 30-31 [29 June 1929]., available online at https://www.biodiversitylibrary.org/page/52430219
      page(s): 268 [details]   

      original description  (of Nannomactra Iredale, 1930) Iredale, T. (1930). More notes on the marine Mollusca of New South Wales. <em>Records of the Australian Museum.</em> 17(9): 384-407, pls 62-65. [Published 27 June 1930]., available online at http://australianmuseum.net.au/Uploads/Journals/17186/773_complete.pdf
      page(s): 400, 407 [details]   

      original description  (of Mactra (Eomactra) Cossmann, 1909 †) Cossmann M. & Peyrot A. (1909). <i>Conchologie néogénique de l'Aquitaine. Pélécypodes</i>. 2 volumes. Bordeaux: A. Saugnac. Published in parallel in <i>Actes de la Société Linnéenne de Bordeaux</i>. [Publication dates after Lozouet & Lesport, 1994, <i>Cossmanniana</i> 3(1): 9–12]. Tome 1: pp. 1–220, pls 1–7 [18 December 1909]; = <i>Actes</i>, 63(2): 72–144, pls 1–4 [October 5, 1909]; <i>Actes</i>, 63(3): 145–232, pls 5–7 [13 November 1909]; <i>Actes</i>, 63(4): 233–293 [18 December 1909]. , available online at https://www.biodiversitylibrary.org/page/59185058
      page(s): 63: 241 [details]   

      basis of record Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. <em>Patrimoines Naturels.</em> 50: 180-213., available online at http://www.vliz.be/imisdocs/publications/ocrd/254404.pdf [details]   

      additional source Kondo, Y.; Yokogawa, K.; Shiratsuchi, T. (2001). Substrate Preferences and Burrowing Ability of Donacidae and Mesodesmatidae (Bivalvia) on Beaches of Southwest Japan. <em>Venus (Journal of the Malacological Society of Japan).</em> 60 (1-2): 57-69. [details]  Available for editors  PDF available [request] 

      additional source Vaught, K.C.; Abbott, R.T.; Boss, K.J. (1989). A classification of the living Mollusca. American Malacologists: Melbourne. ISBN 0-915826-22-4. XII, 195 pp. (look up in IMIS[details]  Available for editors  PDF available [request] 
       
       Present  Inaccurate  Introduced: alien  Containing type locality 
      From editor or global species database
      Nomenclature The official list of names in zoology(ICZN) includes the following entry:
      Mactra Linnaeus, 1767, Systema Naturae, Ed. 12, vol. 1, part 2, p. 1125 (gender: feminine) (type species, by designation by Gray, 1847 (Proc. zool. Soc. London, 15: 185): Cardium stultorum Linnaeus, 1758, Systema Naturae, Ed. 10, vol. 1, p. 681) (Bivalvia). Op. 94, Direction 72 [1957].
      Keen (in Moore, 1969, Treatise on Invertebrate Paleontology p. N595) mentions an ealier designation of Cardium stultorum as the type species of Mactra.  [details]
          Definitions

      Loading...


      LanguageName 
      English fenugreeks [from synonym]  [details]
      Norwegian Bokmål hornkløverslekta [from synonym]  [details]
      Norwegian Nynorsk hornkløverslekta [from synonym]  [details]
      Swedish trigonellor [from synonym]  [details]