1. Species Pectunculus acuticostatus G. B. Sowerby I, 1850 † accepted as Glycymeris acuticostata (G. B. Sowerby I, 1850) † (unaccepted > superseded combination)
2. Species Pectunculus albolineatus Lischke, 1872 accepted as Glycymeris albolineata (Lischke, 1872)
3. Species Pectunculus americanus DeFrance, 1826 accepted as Glycymeris americana (DeFrance, 1826) (unaccepted > superseded combination)
4. Species Pectunculus angasi Crosse, 1880 accepted as Melaxinaea vitrea (Lamarck, 1819)
5. Species Pectunculus angulatus Lamarck, 1819 accepted as Glycymeris decussata (Linnaeus, 1758)
6. Species Pectunculus angulatus Lamarck, 1819 sensu Reeve, 1843 accepted as Glycymeris reevei (Mayer, 1868) (misapplication)
7. Species Pectunculus angustidens Watelet, 1851 † accepted as Glycymeris angustidens (Watelet, 1851) † (unaccepted > superseded combination)
8. Species Pectunculus araucanus R. A. Philippi, 1887 † accepted as Glycymeris araucanus (R. A. Philippi, 1887) † (unaccepted > superseded combination)
9. Species Pectunculus arcodentiens Dall, 1895 accepted as Tucetona arcodentiens (Dall, 1895)
10. Species Pectunculus aspersus A. Adams & Reeve, 1850 accepted as Glycymeris aspersa (A. Adams & Reeve, 1850) (original combination)
11. Species Pectunculus assimilis G. B. Sowerby I, 1833 accepted as Axinactis inaequalis (G. B. Sowerby I, 1833)
12. Species Pectunculus audouini Jousseaume, 1916 accepted as Tucetona audouini Matsukuma, 1984 (unavailable name under ICZN Art. 11.6)
13. Species Pectunculus aureomaculatus Angas, 1879 accepted as Tucetona aureomaculata (Angas, 1879) (unaccepted > superseded combination)
14. Species Pectunculus aurifluus Reeve, 1843 accepted as Tucetona auriflua (Reeve, 1843)
15. Species Pectunculus beddomei E. A. Smith, 1885 accepted as Tucetona flabellata (Tenison Woods, 1878)
16. Species Pectunculus belcheri A. Adams & Reeve, 1850 accepted as Limopsis belcheri (A. Adams & Reeve, 1850) (original combination)
17. Species Pectunculus bicolor Reeve, 1843 accepted as Tucetona bicolor (Reeve, 1843) (original combination)
18. Species Pectunculus bimaculata (Poli, 1795) accepted as Glycymeris bimaculata (Poli, 1795)
19. Species Pectunculus bimaculatus (Poli, 1795) accepted as Glycymeris bimaculata (Poli, 1795)
20. Species Pectunculus cancellatus Reeve, 1843 accepted as Limopsis excancellata Sacco, 1898 (invalid: junior homonym of Pectunculus cancellatus Michelotti, 1839; Limopsis excancellata Sacco, 1898 is a replacement name)
21. Species Pectunculus cardiiformis Angas, 1879 accepted as Tucetona multicostata (G. B. Sowerby I, 1833)
22. Species Pectunculus castaneus Lamarck, 1819 accepted as Glycymeris undata (Linnaeus, 1758)
23. Species Pectunculus colchaguensis Hupé, 1854 † accepted as Glycymeris colchaguensis (Hupé, 1854) † (unaccepted > superseded combination)
24. Species Pectunculus concentricus Dunker, 1853 accepted as Glycymeris concentrica (Dunker, 1853) (original combination)
25. Species Pectunculus concinnus R. A. Philippi, 1845 accepted as Glycymeris gigantea (Reeve, 1843)
26. Species Pectunculus convexus Tate, 1886 † accepted as Tucetona convexa (Tate, 1886) †
27. Species Pectunculus cor Lamarck, 1805 accepted as Glycymeris nummaria (Linnaeus, 1758)
28. Species Pectunculus cordata F. W. Hutton, 1873 † accepted as Glycymerita cordata (F. W. Hutton, 1873) † (superseded combination)
29. Species Pectunculus costulatus Goldfuss, 1837 † accepted as Oblimopa costulata (Goldfuss, 1837) † accepted as Limopsis (Oblimopa) costulata (Goldfuss, 1837) † represented as Limopsis costulata (Goldfuss, 1837) † (original combination)
30. Species Pectunculus crebreliratus G. B. Sowerby III, 1889 accepted as Glycymeris tenuicostata (Reeve, 1843)
31. Species Pectunculus dautzenbergi De Gregorio, 1892 accepted as Glycymeris glycymeris (Linnaeus, 1758) (synonym)
32. Species Pectunculus decussatus J. Sowerby, 1813 sensu Guppy, 1876 † accepted as Glycymeris jamaicensis Dall, 1898 † (unaccepted > superseded combination)
33. Species Pectunculus delessertii Reeve, 1843 accepted as Axinactis delessertii (Reeve, 1843) (original combination)
34. Species Pectunculus depressus Deshayes, 1829 † accepted as Glycymeris depressa (Deshayes, 1829) † (unaccepted > superseded combination)
35. Species Pectunculus deshayesi Mayer, 1868 † accepted as Glycymeris deshayesi (Mayer, 1868) † (unaccepted > superseded combination)
36. Species Pectunculus dispar Defrance, 1826 † accepted as Glycymeris dispar (Defrance, 1826) † (unaccepted > superseded combination)
37. Species Pectunculus dissimilis Deshayes, 1858 † accepted as Glycymeris dissimilis (Deshayes, 1858) † (unaccepted > superseded combination)
38. Species Pectunculus dunkeri O. Boettger, 1883 † accepted as Glycymeris dunkeri (O. Boettger, 1883) † (superseded combination)
39. Species Pectunculus fichteli (Deshayes, 1850) † accepted as Glycymeris fichteli (Deshayes, 1850) † (unaccepted > superseded combination)
40. Species Pectunculus flabellatus Tenison Woods, 1878 accepted as Tucetona flabellata (Tenison Woods, 1878)
41. Species Pectunculus flammeus Reeve, 1843, sensu Iredale, 1931 accepted as Glycymeris grayana (Dunker, 1857) (misapplication)
42. Species Pectunculus flammeus Reeve, 1843 accepted as Glycymeris flammea (Reeve, 1843) (original combination)
43. Species Pectunculus formosus Reeve, 1843 accepted as Glycymeris formosa (Reeve, 1843)
44. Species Pectunculus fulguratus Dunker, 1877 accepted as Glycymeris flammea (Reeve, 1843) (junior synonym)
45. Species Pectunculus gealei Angas, 1873 accepted as Tucetona gealei (Angas, 1873)
46. Species Pectunculus gembacanus K. Martin, 1885 † accepted as Tucetona gembacana (K. Martin, 1885) †
47. Species Pectunculus giganteus Reeve, 1843 accepted as Glycymeris gigantea (Reeve, 1843) (original combination)
48. Species Pectunculus globosus F. W. Hutton, 1873 † accepted as Glycymerita huttoni (Marwick, 1923) †
49. Species Pectunculus glycymeris (Linnaeus, 1758) accepted as Glycymeris glycymeris (Linnaeus, 1758)
50. Species Pectunculus granulatus Lamarck, 1805 † accepted as Limopsis granulata (Lamarck, 1805) † (unaccepted > superseded combination)
51. Species Pectunculus grayanus Dunker, 1857 accepted as Glycymeris grayana (Dunker, 1857)
52. Species Pectunculus guesi Jousseaume, 1895 accepted as Tucetona guesi (Jousseaume, 1895)
53. Species Pectunculus hedleyi E. Lamy, 1912 accepted as Glycymeris holoserica (Reeve, 1843) (junior subjective synonym)
54. Species Pectunculus heroicus Melvill & Standen, 1907 accepted as Glycymeris livida (Reeve, 1843) (unaccepted > junior subjective synonym)
55. Species Pectunculus hirtus R. A. Philippi, 1846 accepted as Glycymeris marmorata (Gmelin, 1791)
56. Species Pectunculus holosericus Reeve, 1843 accepted as Glycymeris holoserica (Reeve, 1843)
57. Species Pectunculus hoylei Melvill & Standen, 1899 accepted as Tucetona hoylei (Melvill & Standen, 1899) (unaccepted > superseded combination)
58. Species Pectunculus humilis Deshayes, 1858 † accepted as Glycymeris humilis (Deshayes, 1858) † (unaccepted > superseded combination)
59. Species Pectunculus ibari R. A. Philippi, 1887 † accepted as Glycymerita ibari (R. A. Philippi, 1887) † (unaccepted > superseded combination)
60. Species Pectunculus inaequalis G. B. Sowerby I, 1833 accepted as Axinactis inaequalis (G. B. Sowerby I, 1833) (original combination)
61. Species Pectunculus inaequalis G. B. Sowerby I, 1833 sensu Krauss, 1848 accepted as Glycymeris connollyi Tomlin, 1926 (misapplication)
62. Species Pectunculus inflatoides Telegdi-Roth, 1914 † accepted as Glycymeris inflatoides (Telegdi-Roth, 1914) † (unaccepted > superseded combination)
63. Species Pectunculus intermedius Broderip, 1832 accepted as Glycymeris intermedia (Broderip, 1832) (original combination)
64. Species Pectunculus junghuhni K. Martin, 1879 † accepted as Tucetona junghuhni (K. Martin, 1879) †
65. Species Pectunculus kaschewarowi Grewingk, 1850 accepted as Glycymeris septentrionalis (Middendorff, 1849)
66. Species Pectunculus kraussi Thiele, 1931 accepted as Glycymeris connollyi Tomlin, 1926
67. Species Pectunculus laddi Abrard, 1947 † accepted as Tucetona laddi (Abrard, 1947) †
68. Species Pectunculus laticostatus Quoy & Gaimard, 1835 accepted as Tucetona laticostata (Quoy & Gaimard, 1835) (superseded combination)
69. Species Pectunculus latiradiatus Sandberger, 1861 † accepted as Glycymeris latiradiata (Sandberger, 1861) † (unaccepted > superseded combination)
70. Species Pectunculus lenticularis Tate, 1886 † accepted as Tucetona lenticularis (Tate, 1886) †
71. Species Pectunculus lima d'Archiac & Haime, 1854 † accepted as Tucetona lima (d'Archiac & Haime, 1854) † (superseded combination)
72. Species Pectunculus lineatus R. A. Philippi, 1836 accepted as Glycymeris bimaculata (Poli, 1795)
73. Species Pectunculus lineatus Reeve, 1843 accepted as Glycymeris undata (Linnaeus, 1758)
74. Species Pectunculus lividus Reeve, 1843 accepted as Glycymeris livida (Reeve, 1843)
75. Species Pectunculus longior G. B. Sowerby I, 1833 accepted as Glycymeris longior (G. B. Sowerby I, 1833)
76. Species Pectunculus lunulatus Nyst, 1836 † accepted as Glycymeris lunulata (Nyst, 1836) † (unaccepted > superseded combination)
77. Species Pectunculus maccoyi R. M. Johnston, 1880 † accepted as Tucetona maccoyi (R. M. Johnston, 1880) †
78. Species Pectunculus maculatus Broderip, 1832 accepted as Glycymeris maculata (Broderip, 1832) (original combination)
79. Species Pectunculus marmoratus Reeve, 1843 accepted as Glycymeris flammea (Reeve, 1843)
80. Species Pectunculus marmoratus Lamarck, 1819 accepted as Glycymeris glycymeris (Linnaeus, 1758)
81. Species Pectunculus maskatensis Melvill, 1897 accepted as Tucetona guesi (Jousseaume, 1895) (unaccepted > junior subjective synonym)
82. Species Pectunculus mccoyi Chapman & Singleton, 1925 † accepted as Tucetona maccoyi (R. M. Johnston, 1880) † (unaccepted > misspelling - incorrect subsequent spelling)
83. Species Pectunculus mertoni C. R. Boettger, 1915 accepted as Glycymeris tenuicostata (Reeve, 1843) (unaccepted > junior subjective synonym)
84. Species Pectunculus miliaris R. A. Philippi, 1845 accepted as Lissarca miliaris (R. A. Philippi, 1845) (unaccepted > superseded combination)
85. Species Pectunculus minor A. d'Orbigny, 1846 accepted as Tucetona chemnitzii (Dall, 1909) (invalid: junior homonym of Pectunculus minor Lea, 1833; Glycymeris chemnitzii is a replacement name)
86. Species Pectunculus minutus R. A. Philippi, 1836 accepted as Limopsis (Paracratis) minuta (R. A. Philippi, 1836) represented as Limopsis minuta (R. A. Philippi, 1836) (unaccepted > superseded combination)
87. Species Pectunculus montrouzieri Angas, 1872 accepted as Tucetona montrouzieri (Angas, 1872)
88. Species Pectunculus morum Reeve, 1843 accepted as Tucetona sericata (Reeve, 1843)
89. Species Pectunculus multicostatus G. B. Sowerby I, 1833 accepted as Tucetona multicostata (G. B. Sowerby I, 1833) (original combination)
90. Species Pectunculus mundus G. B. Sowerby III, 1903 accepted as Glycymeris munda (G. B. Sowerby III, 1903)
91. Species Pectunculus mussole Pallary, 1920 accepted as Arca despecta P. Fischer, 1876 (name credited to Adanson, introduced in synonymy and therefore not available)
92. Species Pectunculus nana Deshayes, 1829 † accepted as Limarca nana (Deshayes, 1829) † (unaccepted > superseded combination)
93. Species Pectunculus nipponicus Yokoyama, 1920 accepted as Glycymeris rotunda (Dunker, 1882)
94. Species Pectunculus nodosus Reeve, 1843 accepted as Tucetona nodosa (Reeve, 1843)
95. Species Pectunculus novaguineensis Angas, 1879 accepted as Melaxinaea vitrea (Lamarck, 1819)
96. Species Pectunculus nuculatus Lamarck, 1805 † accepted as Limopsis nuculata (Lamarck, 1805) † (unaccepted > superseded combination)
97. Species Pectunculus nudicardo Lamarck, 1819 accepted as Glycymeris nummaria (Linnaeus, 1758)
98. Species Pectunculus nystii Galeotti, 1837 † accepted as Nucunella nystii (Galeotti, 1837) † (original combination)
99. Species Pectunculus obliquatus de Rayneval & Ponzi, 1854 accepted as Glycymeris nummaria (Linnaeus, 1758)
100. Species Pectunculus obliquus Reeve, 1843 (unaccepted)
101. Species Pectunculus obovatus Lamarck, 1819 † (unaccepted > superseded combination)
102. Species Pectunculus oculatus Reeve, 1843 (unaccepted)
103. Species Pectunculus orbicularis Angas, 1879 (unaccepted)
104. Species Pectunculus orbicularis K. Martin, 1885 † (unaccepted)
105. Species Pectunculus ornatus Viader, 1951 (unaccepted)
106. Species Pectunculus ovatus Broderip, 1832 (unaccepted, original combination)
107. Species Pectunculus ovatus Quoy & Gaimard, 1835 (unaccepted, junior subjective synonym)
108. Species Pectunculus pallium Reeve, 1843 (unaccepted)
109. Species Pectunculus parcipictus Reeve, 1843 (unaccepted)
110. Species Pectunculus paytensis A. d'Orbigny, 1843 † (unaccepted)
111. Species Pectunculus pectenoides [sic] (unaccepted, misspelling)
112. Species Pectunculus pectinatus (Gmelin, 1791) (unaccepted)
113. Species Pectunculus pectinatus (Gmelin, 1791) sensu Reeve, 1843 (unaccepted, misapplication)
114. Species Pectunculus pectiniformis Lamarck, 1819 (unaccepted)
115. Species Pectunculus pectinoides Deshayes, 1843 (unaccepted)
116. Species Pectunculus pectunculus (Linnaeus, 1758) (unaccepted)
117. Species Pectunculus pennaceus Lamarck, 1819 (unaccepted > junior subjective synonym)
118. Species Pectunculus pennaceus Lamarck, 1819 sensu Guppy, 1866 † (unaccepted > junior subjective synonym)
119. Species Pectunculus perdix Reeve, 1843 (unaccepted)
120. Species Pectunculus pertusus Reeve, 1843 (unaccepted)
121. Species Pectunculus pilosellus Risso, 1826 (unaccepted)
122. Species Pectunculus pilosus (Linnaeus, 1767) (unaccepted)
123. Species Pectunculus pilsbryi Yokoyama, 1920 (unaccepted)
124. Species Pectunculus planatus G. Nevill & H. Nevill, 1874 (unaccepted)
125. Species Pectunculus pseudopulvinatus A. d'Orbigny, 1850 † (unaccepted > superseded combination)
126. Species Pectunculus pulvinatus Lamarck, 1805 † (unaccepted > superseded combination)
127. Species Pectunculus punctatus Calcara, 1840 (unaccepted, synonym)
128. Species Pectunculus purpurascens Mac Andrew, 1854 (unaccepted)
129. Species Pectunculus pygmaeus R. A. Philippi, 1836 (unaccepted)
130. Species Pectunculus queketti G. B. Sowerby III, 1897 (unaccepted)
131. Species Pectunculus radians Lamarck, 1819 (unaccepted)
132. Species Pectunculus raripictus Reeve, 1843 (unaccepted)
133. Species Pectunculus reevei Mayer, 1868 (unaccepted)
134. Species Pectunculus reticulatus Risso, 1826 (unaccepted)
135. Species Pectunculus robustus G. B. Sowerby III, 1883 (unaccepted)
136. Species Pectunculus roseus Reeve, 1843 (unaccepted, junior subjective synonym)
137. Species Pectunculus rotundus Dunker, 1882 (unaccepted)
138. Species Pectunculus rubens Lamarck, 1819 (unaccepted)
139. Species Pectunculus savignyi P. Fischer, 1871 (unaccepted)
140. Species Pectunculus scalaris J. De C. Sowerby, 1824 † (unaccepted, original combination)
141. Species Pectunculus scutulatus R. A. Philippi, 1851 (unaccepted)
142. Species Pectunculus selwynensis H. Woods, 1917 † (unaccepted)
143. Species Pectunculus septentrionalis Middendorff, 1849 (unaccepted, original combination)
144. Species Pectunculus sericatus Reeve, 1843 (unaccepted)
145. Species Pectunculus setiger Odhner, 1917 (unaccepted)
146. Species Pectunculus siculus Reeve, 1843 (unaccepted)
147. Species Pectunculus sordidus Tate, 1891 (unaccepted)
148. Species Pectunculus spadiceus Reeve, 1843 (unaccepted)
149. Species Pectunculus stellatus (Bruguière, 1789) (unaccepted)
150. Species Pectunculus striatularis Lamarck, 1819 (unaccepted)
151. Species Pectunculus striatularis Lamarck, 1818, sensu Reeve, 1843 (unaccepted, misapplication)
152. Species Pectunculus strigilatus G. B. Sowerby I, 1833 (unaccepted, original combination)
153. Species Pectunculus subauritus Lamarck, 1801 (unaccepted)
154. Species Pectunculus subtrigonalis Tate, 1886 † (unaccepted)
155. Species Pectunculus taylori Angas, 1879 (unaccepted)
156. Species Pectunculus taylorianus [sic] (unaccepted, msspelling by Melvill & Standen, 1907)
157. Species Pectunculus tegulicius Melvill, 1898 (unaccepted > superseded combination)
158. Species Pectunculus tellinaeformis Reeve, 1843 (unaccepted)
159. Species Pectunculus tenuicostatus Reeve, 1843 (unaccepted)
160. Species Pectunculus tenuis Watelet, 1853 † (unaccepted > superseded combination)
161. Species Pectunculus terebratularis Lamarck, 1805 † (unaccepted > superseded combination)
162. Species Pectunculus tesselatus G. B. Sowerby I, 1833 (unaccepted)
163. Species Pectunculus texatus Münster, 1837 † (unaccepted > junior subjective synonym)
164. Species Pectunculus textus Dujardin, 1837 † (unaccepted > superseded combination)
165. Species Pectunculus tomentosus Bory de Saint-Vincent, 1827 (unaccepted)
166. Species Pectunculus transversus Lamarck, 1819 (unaccepted)
167. Species Pectunculus traversi F. W. Hutton, 1873 † (unaccepted, superseded combination)
168. Species Pectunculus undulatus Lamarck, 1819 (unaccepted)
169. Species Pectunculus variabilis J. De C. Sowerby, 1824 † (unaccepted > superseded combination)
170. Species Pectunculus variegatus A. d'Orbigny, 1853 (unaccepted)
171. Species Pectunculus vestitus Dunker, 1877 (unaccepted)
172. Species Pectunculus violacescens Lamarck, 1819 (unaccepted)
173. Species Pectunculus vitreus Lamarck, 1819 (unaccepted)
174. Species Pectunculus vitreus Lamarck, 1819 sensu Odhner, 1917 (unaccepted)
175. Species Pectunculus vovan E. Lamy, 1912 (unaccepted)
176. Species Pectunculus wateleti Deshayes, 1858 † (unaccepted > superseded combination)
177. Species Pectunculus yamakawai Yokoyama, 1922 (unaccepted)
178. Species Pectunculus yessoensis G. B. Sowerby III, 1889 (unaccepted)
179. Species Pectunculus zonalis Lamarck, 1819 (unaccepted)
180. Species Pectunculus alternatus A. d'Orbigny, 1844 † (uncertain > unassessed)
181. Species Pectunculus arctatus Conrad, 1847 † (uncertain > unassessed)
182. Species Pectunculus brevirostris J. De C. Sowerby, 1824 † (uncertain > unassessed)
183. Species Pectunculus costatus J. Sowerby, 1813 † (uncertain > unassessed)
184. Species Pectunculus decussatus J. Sowerby, 1813 (uncertain > taxon inquirendum)
185. Species Pectunculus hemicardo Anton, 1838 (uncertain > nomen dubium)
186. Species Pectunculus magellanicus R. A. Philippi, 1887 † (uncertain > unassessed)
187. Species Pectunculus marrotianus A. d'Orbigny, 1844 † (uncertain > unassessed)
188. Species Pectunculus minimus J. De C. Sowerby, 1824 † (uncertain > unassessed)
189. Species Pectunculus mississippiensis Conrad, 1848 † (uncertain > unassessed)
190. Species Pectunculus oblongus J. De C. Sowerby, 1824 † (uncertain > unassessed)
191. Species Pectunculus obsoletus Goldfuss, 1837 † (uncertain > unassessed)
192. Species Pectunculus perobliquus Dunker, 1871 (uncertain > nomen dubium)
193. Species Pectunculus plumstediensis J. Sowerby, 1813 † (uncertain > unassessed)
194. Species Pectunculus pseudocardium Bory de Saint-Vincent, 1827 (uncertain > nomen dubium)
195. Species Pectunculus renauxianus A. d'Orbigny, 1844 † (uncertain > unassessed)
196. Species Pectunculus requienianus A. d'Orbigny, 1844 † (uncertain > unassessed)
197. Species Pectunculus spurca Reeve, 1843 (uncertain > nomen dubium)
198. Species Pectunculus spurcus Reeve, 1843 (uncertain > nomen dubium)
199. Species Pectunculus sublaevis J. De C. Sowerby, 1824 † (uncertain > unassessed)
200. Species Pectunculus tumidus Dunker, 1871 (uncertain > nomen dubium)

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