1. Species Exogyra conica (J. Sowerby, 1813) †
2. Species Exogyra costata Say, 1820 †
3. Species Exogyra olisiponensis Sharpe, 1850 †
4. Species Exogyra arietina Roemer, 1852 † accepted as Ilymatogyra arietina (Roemer, 1852) †
5. Species Exogyra planospirites Goldfuss, 1833 † accepted as Planospirites ostracina Lamarck, 1801 †
6. Species Exogyra tuberculifera Koch & Dunker, 1837 † accepted as Ceratostreon tuberculiferum (Koch & Dunker, 1837) † (unaccepted > superseded combination)
7. Subgenus Exogyra (Costagyra) Vialov, 1936 † represented as Exogyra Say, 1820 †
   1. Species Exogyra (Costagyra) olisiponensis Sharpe, 1850 represented as Exogyra olisiponensis Sharpe, 1850 †
8. Subgenus Exogyra (Exogyra) Say, 1820 † represented as Exogyra Say, 1820 †
   1. Species Exogyra (Exogyra) costata Say, 1820 † represented as Exogyra costata Say, 1820 †
9. Species Exogyra aquila Goldfuss, 1833 † (uncertain > unassessed)
10. Species Exogyra auricularis Goldfuss, 1833 † (uncertain > unassessed)
11. Species Exogyra auriformis Goldfuss, 1833 † (uncertain > unassessed)
12. Species Exogyra boussingaulti A. d'Orbigny, 1843 † (uncertain > unassessed)
13. Species Exogyra carinata Roemer, 1835 † (uncertain > unassessed)
14. Species Exogyra columba Goldfuss, 1833 † (uncertain > unassessed)
15. Species Exogyra contorta d'Archiac, 1835 † (uncertain > unassessed)
16. Species Exogyra cornuarietis Goldfuss, 1833 † (uncertain > unassessed)
17. Species Exogyra decussata Goldfuss, 1833 † (uncertain > unassessed)
18. Species Exogyra denticulata Roemer, 1835 † (uncertain > unassessed)
19. Species Exogyra digitata (J. Sowerby, 1817) † (uncertain > unassessed)
20. Species Exogyra fimbriata Conrad, 1855 † (uncertain > unassessed)
21. Species Exogyra flabellata Goldfuss, 1833 † (uncertain > unassessed)
22. Species Exogyra fragosa Conrad, 1855 † (uncertain > unassessed)
23. Species Exogyra haliotoidea (J. Sowerby, 1813) † (uncertain > unassessed)
24. Species Exogyra harpa Goldfuss, 1833 † (uncertain > unassessed)
25. Species Exogyra inflata Goldfuss, 1835 † (uncertain > unassessed)
26. Species Exogyra laciniata Goldfuss, 1833 † (uncertain > unassessed)
27. Species Exogyra laevigata J. De C. Sowerby, 1829 † (uncertain > unassessed)
28. Species Exogyra mutatoria C. A. White, 1887 † (uncertain > unassessed)
29. Species Exogyra pitniakensis Belyakova, 1965 † (uncertain > unassessed)
30. Species Exogyra plicata Goldfuss, 1833 † (uncertain > unassessed)
31. Species Exogyra polygona Buch, 1838 † (uncertain > unassessed)
32. Species Exogyra popilanica Krenkel, 1915 † (uncertain > unassessed)
33. Species Exogyra pulchella Roemer, 1835 † (uncertain > unassessed)
34. Species Exogyra reniformis Goldfuss, 1833 † (uncertain > unassessed)
35. Species Exogyra spiralis Goldfuss, 1833 † (uncertain > unassessed)
36. Species Exogyra squamata A. d'Orbigny, 1843 † (uncertain > unassessed)
37. Species Exogyra subcarinata Münster, 1833 † (uncertain > unassessed)
38. Species Exogyra subnodosa Münster, 1833 (uncertain > unassessed)
39. Species Exogyra undata J. De C. Sowerby, 1829 † (uncertain > unassessed)
40. Species Exogyra variabilis Feldtmann, 1963 † (uncertain > unassessed)
41. Species Exogyra virgula Goldfuss, 1833 † (uncertain > unassessed)

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