Scleractinia taxon details

Isastrea Milne Edwards & Haime, 1851 †

Original illustration of Agaricia crassa Goldfuss
Original illustration of Agaricia crassa Goldfuss

1348200  (urn:lsid:marinespecies.org:taxname:1348200)

  1. Biota
  2. Animalia (Kingdom)
  3. Cnidaria (Phylum)
  4. Anthozoa (Subphylum)
  5. Hexacorallia (Class)
  6. Scleractinia (Order)
  7. Vacatina (Suborder)
  8. Merulinidae (Family)
  9. Isastrea † (Genus)
accepted
Genus
Andemanstastraea Alloiteau, 1951 † · unaccepted > junior subjective synonym
Confusastraea d'Orbigny, 1849 † · unaccepted > junior subjective synonym (misspelling)
Confusastrea d'Orbigny, 1849 † · unaccepted > junior subjective synonym
Dermosastraea L. Beauvais, 1970 † · unaccepted > junior subjective synonym
Isastraea Milne Edwards & Haime, 1851 † · unaccepted > misspelling - incorrect subsequent spelling
Isastraea (Latimaeandra) Milne Edwards & Haime, 1857 † · unaccepted > superseded combination
Mesoseris Ferry, 1870 † · unaccepted > junior subjective synonym
Parisastraea Alloiteau, 1958 † · unaccepted > junior subjective synonym

Ordering

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  1. Species Isastrea affinis Reuss, 1868 †
  2. Species Isastrea alimena (d'Orbigny, 1849) †
  3. Species Isastrea alloiteaui Pelletier, 1951 †
  4. Species Isastrea ampezzana Frech, 1896 †
  5. Species Isastrea angulosa (Goldfuss, 1826) †
  6. Species Isastrea atherfieldia Strand, 1928 † (accepted > nomen novum)
  7. Species Isastrea basaltiformis de Fromentel, 1860 †
  8. Species Isastrea bernardiana (d'Orbigny, 1850) †
  9. Species Isastrea bernensis Etallon, 1864 †
  10. Species Isastrea bieskidensis Trauth, 1911 †
  11. Species Isastrea borealis (Smith, 1927) †
  12. Species Isastrea canadellensis (Chevalier, 1961) †
  13. Species Isastrea cesarensis L. Beauvais, 1966 †
  14. Species Isastrea collignoni Alloiteau, 1958 †
  15. Species Isastrea condeana Chapuis & Dewalque, 1852 †
  16. Species Isastrea confusa Duncan, 1868 †
  17. Species Isastrea consobrina (d'Orbigny, 1850) †
  18. Species Isastrea consobrina (Milne Edwards & Haime, 1851) † (accepted > unreplaced junior homonym)
  19. Species Isastrea conybeari Milne Edwards & Haime, 1851 †
  20. Species Isastrea costulata (Osasco, 1902) †
  21. Species Isastrea cottaldina (d'Orbigny, 1850) †
  22. Species Isastrea cotteaui (d'Orbigny, 1850) †
  23. Species Isastrea crassa (Goldfuss, 1826) †
  24. Species Isastrea cupulina (d'Orbigny, 1850) †
  25. Species Isastrea cyathina Stoliczka, 1873 †
  26. Species Isastrea deligata Alloiteau, 1958 †
  27. Species Isastrea densisepta (L. Beauvais, 1988) †
  28. Species Isastrea depressa Tomes, 1878 †
  29. Species Isastrea depressa (Koby, 1885) † (accepted > unreplaced junior homonym)
  30. Species Isastrea dianthus (Etallon, 1864) †
  31. Species Isastrea dreyfussi (L. Beauvais, 1964) †
  32. Species Isastrea endothecata Duncan, 1868 †
  33. Species Isastrea eucystis Frech, 1890 †
  34. Species Isastrea excentrica L. Beauvais, 1972 †
  35. Species Isastrea expansa Stoliczka, 1873 †
  36. Species Isastrea explanata (Goldfuss, 1829) †
  37. Species Isastrea explanulata (M'Coy, 1851) †
  38. Species Isastrea exserta Gregory, 1900 †
  39. Species Isastrea falax (Milne Edwards & Haime, 1857) †
  40. Species Isastrea fasciata Etallon, 1864 †
  41. Species Isastrea favulus Etallon, 1864 †
  42. Species Isastrea fromentelli Koby, 1885 †
  43. Species Isastrea gaultierensis (Koby, 1906) †
  44. Species Isastrea globosa Duncan, 1867 †
  45. Species Isastrea goldfussiana (d'Orbigny, 1850) †
  46. Species Isastrea grandiflora Etallon, 1864 †
  47. Species Isastrea gresslyi Etallon, 1864 †
  48. Species Isastrea guettardana (Milne Edwards & Haime, 1849) †
  49. Species Isastrea haldonensis Duncan, 1870 †
  50. Species Isastrea haueri Laube, 1865 †
  51. Species Isastrea helianthoides (Goldfuss, 1826) †
  52. Species Isastrea hemisphaerica Gregory, 1900 †
  53. Species Isastrea hoernesi (Reuss, 1854) †
  54. Species Isastrea hourcqi Alloiteau, 1958 †
  55. Species Isastrea incerta Alloiteau, 1958 †
  56. Species Isastrea ingens (Catullo, 1857) †
  57. Species Isastrea insignis Duncan, 1868 †
  58. Species Isastrea irregularis Duncan, 1880 †
  59. Species Isastrea jurensis Étallon, 1859 †
  60. Species Isastrea kobyi (L. Beauvais, 1967) †
  61. Species Isastrea koechlini Milne Edwards & Haime, 1857 †
  62. Species Isastrea kosodeensis Eguchi, 1951 †
  63. Species Isastrea lamartine de Ferry, 1861 †
  64. Species Isastrea lamellosissima (Michelin, 1841) †
  65. Species Isastrea latimaeandroidea Duncan, 1868 †
  66. Species Isastrea laxa Reuss, 1867 †
  67. Species Isastrea limitata (Lamouroux, 1845) †
  68. Species Isastrea magna (d'Orbigny, 1850) †
  69. Species Isastrea marcoui Koby, 1885 †
  70. Species Isastrea matumotoi Eguchi, 1944 †
  71. Species Isastrea michelini (L. Beauvais, 1964) †
  72. Species Isastrea minima Missuna, 1904 †
  73. Species Isastrea miocenica Seguenza, 1864 †
  74. Species Isastrea miocenica (Sismonda, 1871) † (accepted > unreplaced junior homonym)
  75. Species Isastrea morrisii Duncan, 1870 †
  76. Species Isastrea multistriata de Ferry, 1861 †
  77. Species Isastrea munsterana (Milne Edwards & Haime, 1849) †
  78. Species Isastrea murchisoni Wright, 1858 †
  79. Species Isastrea nantuacumensis L. Beauvais, 1966 †
  80. Species Isastrea neocomiensis de Fromentel, 1857 †
  81. Species Isastrea norica Frech, 1890 †
  82. Species Isastrea obsoleta (Gerth, 1921) †
  83. Species Isastrea orbignyi Chapuis & Dewalque, 1852 †
  84. Species Isastrea ornata (d'Orbigny, 1850) †
  85. Species Isastrea parva Smith, 1927 † (accepted > unreplaced junior homonym)
  86. Species Isastrea parvistella Alloiteau, 1958 †
  87. Species Isastrea phillipsi (Tomes, 1883) †
  88. Species Isastrea plana Laube, 1865 †
  89. Species Isastrea polygonalis (Michelin, 1840) †
  90. Species Isastrea ponderosa (Sismonda, 1871) †
  91. Species Isastrea profunda Melnikova, 1975 †
  92. Species Isastrea propinqua Etallon, 1864 †
  93. Species Isastrea punctata Duncan, 1880 †
  94. Species Isastrea reussana Milne Edwards & Haime, 1857 †
  95. Species Isastrea rustica (Milne Edwards & Haime, 1849) †
  96. Species Isastrea salinensis Koby, 1885 †
  97. Species Isastrea schafferi Kühn, 1925 †
  98. Species Isastrea sinemuriensis de Fromentel, 1860 †
  99. Species Isastrea splendida Laube, 1865 †
  100. Species Isastrea stricklandi Duncan, 1868 †
  101. Species Isastrea subhoernesi Trauth, 1911 †
  102. Species Isastrea suessi Reuss, 1865 †
  103. Species Isastrea sugiyamai Eguchi, 1951 †
  104. Species Isastrea superficialis Alloiteau, 1958 †
  105. Species Isastrea taruensis Eguchi, 1951 †
  106. Species Isastrea telleri Frech, 1896 †
  107. Species Isastrea tenera Sowerby, 1832 †
  108. Species Isastrea tenuistriata Milne Edwards & Haime, 1851 †
  109. Species Isastrea tenuistriata (Tomes, 1882) † (accepted > unreplaced junior homonym)
  110. Species Isastrea thurmanii Etallon, 1864 †
  111. Species Isastrea tongoboryensis (Alloiteau, 1958) †
  112. Species Isastrea variabilis de Ferry, 1861 †
  113. Species Isastrea vogelgesangi (Eck, 1879) †
  114. Species Isastrea whitneyi Wells, 1932 †
  115. Species Isastrea yuraensis Eguchi, 1951 †
  116. Species Isastrea bernadana (d'Orbigny, 1850) † accepted as Isastrea bernardiana (d'Orbigny, 1850) † (unaccepted > misspelling - incorrect subsequent spelling)
  117. Species Isastrea bernardi (d'Orbigny, 1850) † accepted as Isastrea bernardiana (d'Orbigny, 1850) † (unaccepted > unjustified emendation)
  118. Species Isastrea clavellata Terquem & Piette, 1865 † accepted as Chondrocoenia clavellata (Terquem & Piette, 1865) † (unaccepted > superseded combination)
  119. Species Isastrea davidsoni (Milne Edwards & Haime, 1851) † accepted as Vallimeandropsis davidsoni (Milne Edwards & Haime, 1851) † (unaccepted > superseded combination)
  120. Species Isastrea expansa Tomes, 1878 † accepted as Allocoeniopsis expansa (Tomes, 1878) † (unaccepted > superseded combination, basionym)
  121. Species Isastrea guembeli Laube, 1865 † accepted as Guembelastraea guembeli (Laube, 1865) † (unaccepted > superseded combination, basionym)
  122. Species Isastrea helianthoides Morycowa & Mišík, 2005 † accepted as Isastrea bernardiana (d'Orbigny, 1850) † (unaccepted > junior subjective synonym)
  123. Species Isastrea irregularis Koby, 1906 † accepted as Trigerastraea irregularis (Koby, 1906) † (unaccepted > superseded combination, basionym)
  124. Species Isastrea morchella (Reuss, 1854) † accepted as Comoseris morchella (Reuss, 1854) † (unaccepted > superseded combination)
  125. Species Isastrea morencyana Terquem & Piette, 1865 † accepted as Lepidophyllia (Heterastraea) morencyana (Terquem & Piette, 1865) † (unaccepted > superseded combination, basionym)
  126. Species Isastrea oblonga (Fleming, 1828) † accepted as Pseudodiplocoenia oblonga (Fleming, 1828) † (unaccepted > superseded combination)
  127. Species Isastrea parva Gregory, 1900 † accepted as Pseudisastraea parva (Gregrory, 1900) † accepted as Melikerona parva (Gregory, 1900) † (unaccepted > superseded combination)
  128. Species Isastrea parva Étallon, 1859 † accepted as Melikerona parva (Gregory, 1900) † (unaccepted > superseded combination)
  129. Species Isastrea profunda (Reuss, 1854) † accepted as Pamirastraea profunda (Reuss, 1854) † (unaccepted > superseded combination)
  130. Species Isastrea richardsoni Milne Edwards & Haime, 1851 † accepted as Enallocoenia richardsoni (Milne Edwards & Haime, 1851) † (unaccepted > superseded combination, basionym)
  131. Species Isastrea robusta Morycowa & Mišík, 2005 † accepted as Isastrea bernardiana (d'Orbigny, 1850) † (unaccepted > junior subjective synonym)
  132. Species Isastrea serialis Milne Edwards & Haime, 1851 † accepted as Trigerastraea serialis (Milne Edwards & Haime, 1851) † (unaccepted > superseded combination, basionym)
  133. Species Isastrea siva Stoliczka, 1873 † accepted as Astraeofungia siva (Stoliczka, 1873) † (unaccepted > superseded combination, basionym)
  134. Species Isastrea tomesi Duncan, 1868 † accepted as Lepidophyllia (Heterastraea) tomesii (Duncan, 1868) † (unaccepted > superseded combination)
  135. Species Isastrea tomesii Duncan, 1868 † accepted as Lepidophyllia (Heterastraea) tomesii (Duncan, 1868) † (unaccepted > superseded combination, basionym)
  136. Species Isastrea trevenini (Étallon, 1859) † accepted as Complexastrea thevenini (Etallon, 1859) † (unaccepted > superseded combination)
  137. Species Isastrea trigeri de Fromentel, 1887 † accepted as Trigerastraea trigeri (de Fromentel, 1887) † (unaccepted > superseded combination, basionym)
marine, fresh, terrestrial
fossil only
Milne Edwards, H.; Haime, J. (1851). Monographie des polypiers fossiles des terrains palaeozoïques, précédée d'un tableau général de la classification des polypes. <em>Muséum National d'Histoire Naturelle, Paris, Archives.</em> 5: 1–502, 20 pls., available online at https://www.biodiversitylibrary.org/page/25098869 [details] 
Description Massive cerioid colony with polygonal corallites. Intracalicular increase. No holotheca. Radial elements are compact,...  
Description Massive cerioid colony with polygonal corallites. Intracalicular increase. No holotheca. Radial elements are compact, usually free but occasionally anastomosed in the axial zone, rather attenuated, straight, bent or curved, rarely sinuous, unequal in length and thickness. Costal part extremely short if present. Distal and inner edge with regular rhomboidal teeth, lateral faces with opposite subvertical carinae. Montlivaltid microstructure. No palis. Radial symmetry usually disturbed by a bilateral symmetry marked by the torsion of septa in transverse section . Endotheca made of numerous small vesiculose dissepiments sloping down from the wall to the axial zone. Columella absent but trabecular tissues can take place in depth of the axial zone, synapticulae rarely present in the wall zone. The wall is often in zigzag pattern, not always complete, composite in nature including septal elements, dissepimental elements and more rarely synapitules. [details]

Status Isastrea is a junior synonym of Confusastrea. Nevertheless, in order to preserve stability (ICZN art. 23.9.1) Lathuilière,...  
Status Isastrea is a junior synonym of Confusastrea. Nevertheless, in order to preserve stability (ICZN art. 23.9.1) Lathuilière, Charbonnier and Pacaud (2017) promoted usage of this widely known genus over priority. [details]
Hoeksema, B. W.; Cairns, S. (2025). World List of Scleractinia. Isastrea Milne Edwards & Haime, 1851 †. Accessed at: https://www.marinespecies.org/scleractinia/aphia.php?p=taxdetails&id=1348200 on 2026-05-14
Date
action
by
2019-05-26 05:59:52Z
created
Hoeksema, Bert
2020-05-31 10:18:00Z
changed
Hoeksema, Bert
2021-04-14 14:12:44Z
changed
Hoeksema, Bert
2022-06-09 11:59:23Z
changed
Hoeksema, Bert
2025-11-04 13:18:05Z
changed
Hoeksema, Bert

original description Milne Edwards, H.; Haime, J. (1851). Monographie des polypiers fossiles des terrains palaeozoïques, précédée d'un tableau général de la classification des polypes. <em>Muséum National d'Histoire Naturelle, Paris, Archives.</em> 5: 1–502, 20 pls., available online at https://www.biodiversitylibrary.org/page/25098869 [details] 

original description (of Mesoseris Ferry, 1870 †) Ferry, H. de. (1870). Polypiers nouveaux ou peu connus. <em>Annales de l'Académie de Mâcon.</em> 9: 189-206. [details] 

original description (of Parisastraea Alloiteau, 1958 †) Alloiteau J. (1958). Monographie des madreporaires fossiles de Madagascar. <em>Annales Géologiques de Madagascar.</em> 25: 1-218, pls 1-38. [details] 

original description (of Confusastrea d'Orbigny, 1849 †) Orbigny, A. D. d'. (1849). Note sur des Polypiers fossiles. <em>Revue et Magasin de Zoologie, 2e sér.</em> 1: 526-538. [details] 

original description (of Dermosastraea L. Beauvais, 1970 †) Beauvais L. (1970). Sur quelques genres nouveaux ou peu connus de Madréporaires jurassiques. <em>Eclogae geologicae Helvetiae.</em> 63 (3): 1109-1131, pls. 1-4. [details] 

original description (of Andemanstastraea Alloiteau, 1951 †) Alloiteau J. (1951). Coralliaires, in Collignon M. (ed.), Faune maestrichtienne de la côte d'Ambatry (Province de Betioky) Madagascar. <em>Annales géologiques du Service des Mines.</em> 19: 47-49. [details] 

additional source Alloiteau J. (1957). Contribution à la systématique des Madréporaires fossiles. <em>Centre National de la Recherche Scientifique, Paris.</em> pp 462. [details] 

additional source Étallon, M.A. (1859). Études paléontologiques sur la Haut-Jura: Rayonnés du Corallien. <em>Mémoires de la Société d'Emulation du Département du Doubs, Troisième Série.</em> 3: 401-553. [details] 
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

From editor or global species database
Description Massive cerioid colony with polygonal corallites. Intracalicular increase. No holotheca. Radial elements are compact, usually free but occasionally anastomosed in the axial zone, rather attenuated, straight, bent or curved, rarely sinuous, unequal in length and thickness. Costal part extremely short if present. Distal and inner edge with regular rhomboidal teeth, lateral faces with opposite subvertical carinae. Montlivaltid microstructure. No palis. Radial symmetry usually disturbed by a bilateral symmetry marked by the torsion of septa in transverse section . Endotheca made of numerous small vesiculose dissepiments sloping down from the wall to the axial zone. Columella absent but trabecular tissues can take place in depth of the axial zone, synapticulae rarely present in the wall zone. The wall is often in zigzag pattern, not always complete, composite in nature including septal elements, dissepimental elements and more rarely synapitules. [details]

Remark 127 nominal species were cited for Jurassic and 41 for Cretaceous (Loser 2000). There are also old citations of nominal species up to the Miocene. A precise description of well preserved specimens is available in Roniewicz 1982 (especially useful for microstructure and structure of the wall). See also Lathuilière (1988) for a study of intraspecific variability. [details]

Status Isastrea is a junior synonym of Confusastrea. Nevertheless, in order to preserve stability (ICZN art. 23.9.1) Lathuilière, Charbonnier and Pacaud (2017) promoted usage of this widely known genus over priority. [details]
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From editor or global species database

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