1. Species Octolasmis alata (Aurivillius, 1894)
2. Species Octolasmis angulata (Aurivillius, 1894)
3. Species Octolasmis aymonini (Lessona & Tapparone-Canefri, 1874)
4. Species Octolasmis brevis Pearse, 1951
5. Species Octolasmis bullata (Aurivillius, 1892)
6. Species Octolasmis carpilii Rosell, 1967
7. Species Octolasmis clavula Hiro, 1936
8. Species Octolasmis clubii Daniel, 1953
9. Species Octolasmis collare Jeffries, Voris & Man, 1988
10. Species Octolasmis cor (Aurivillius, 1892)
11. Species Octolasmis dawsoni Causey, 1960
12. Species Octolasmis forresti (Stebbing, 1894)
13. Species Octolasmis geryonophila Pilsbry, 1907
14. Species Octolasmis grayi (Darwin, 1851)
15. Species Octolasmis hoeki (Stebbing, 1894)
16. Species Octolasmis iloiloensis Rosell, 1967
17. Species Octolasmis indubia Newman, 1961
18. Species Octolasmis lowei (Darwin, 1852)
19. Species Octolasmis neptuni (MacDonald, 1869)
20. Species Octolasmis nierstraszi (Hoek, 1907)
21. Species Octolasmis prototypus Pilsbry, 1911
22. Species Octolasmis rhinoceros (Annandale, 1909)
23. Species Octolasmis scuticosta Hiro, 1939
24. Species Octolasmis stella (Annandale, 1909)
25. Species Octolasmis uncus Pearse, 1951
26. Species Octolasmis unguisiformis Kobayashi & Kato, 2003
27. Species Octolasmis urceolata Hiro, 1939
28. Species Octolasmis warwicki Gray, 1825
29. Species Octolasmis americanum Pilsbry, 1907 accepted as Dichelaspis americanum (Pilsbry, 1907) (generic reassignment)
30. Species Octolasmis antiguae (Stebbing, 1894) accepted as Octolasmis hoeki (Stebbing, 1894)
31. Species Octolasmis aperta Aurivillius, 1894 accepted as Octolasmis angulata (Aurivillius, 1894)
32. Species Octolasmis californiana Newman, 1960 accepted as Octolasmis lowei (Darwin, 1852) (listed as synonym by Zevina, 1982)
33. Species Octolasmis darwini Philippi, 1861 accepted as Dichelaspis darwini (Philippi, 1861) (generic reassignment)
34. Species Octolasmis hawaiense (Pilsbry, 1907) accepted as Dichelaspis hawaiense Pilsbry, 1907 (generic reassignment)
35. Species Octolasmis mulleri (Coker, 1902) accepted as Octolasmis muelleri (Coker, 1902) accepted as Octolasmis lowei (Darwin, 1852) (misspelled)
36. Species Octolasmis orthogonia (Darwin, 1851) accepted as Dichelaspis orthogonia Darwin, 1852 (generic reassignment)
37. Species Octolasmis sessilis (Hoek, 1883) accepted as Dichelaspis sessilis Hoek, 1883
38. Species Octolasmis tridens (Aurivillius, 1894) accepted as Temnaspis tridens (Aurivillius, 1894) accepted as Dianajonesia tridens (Aurivillius, 1894)
39. Species Octolasmis tydemani (Hoek, 1907) accepted as Dichelaspis tydemani Hoek, 1907
40. Species Octolasmis weberi (Hoek, 1907) accepted as Dichelaspis weberi Hoek, 1907
41. Species Octolasmis warwickii Gray, 1825 represented as Octolasmis warwicki Gray, 1825

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