1. Species Hippothoa balanophila Winston & Hakansson, 1986
2. Species Hippothoa brasiliensis Morris, 1980
3. Species Hippothoa calcicola Winston & Vieira, 2013
4. Species Hippothoa calciophilia Gordon, 1984
5. Species Hippothoa catophilia Gordon, 2020
6. Species Hippothoa distans MacGillivray, 1869
7. Species Hippothoa divaricata Lamouroux, 1821
8. Species Hippothoa eburnea Canu & Bassler, 1928
9. Species Hippothoa expansa Dawson, 1859
10. Species Hippothoa flagellum Manzoni, 1870
11. Species Hippothoa imperforata Liu, 2001
12. Species Hippothoa jakobseni Berning & Wisshak, 2024
13. Species Hippothoa longicauda Souto, Berning & Ostrovsky, 2016
14. Species Hippothoa mawatarii Dick & Ross, 1988
15. Species Hippothoa meridionalis Morris, 1980
16. Species Hippothoa minitumulosa Morris, 1980
17. Species Hippothoa muripinnata Souto, Reverter-Gil & Ostrovsky, 2014
18. Species Hippothoa musivaria Hayward & Fordy, 1982
19. Species Hippothoa peristomata Gordon, 1984
20. Species Hippothoa petrophila Dick & Grischenko, 2016
21. Species Hippothoa santacruzana Pinter, 1973
22. Species Hippothoa watersi Morris, 1980
23. Species Hippothoa amaena Jullien, 1903 accepted as Pulpeirina amaena (Jullien & Calvet, 1903) accepted as Pulpeirina amoena (Jullien & Calvet, 1903)
24. Species Hippothoa amoena Jullien & Calvet, 1903 accepted as Pulpeirina amoena (Jullien & Calvet, 1903)
25. Species Hippothoa aporosa (Levinsen, 1909) accepted as Antarctothoa aporosa (Levinsen, 1909) (synonym)
26. Species Hippothoa aruensis Morris, 1980 accepted as Hippothoa distans MacGillivray, 1869 (junior subjective synonym)
27. Species Hippothoa bougainvillei (d'Orbigny, 1842) accepted as Antarctothoa bougainvillei (d'Orbigny, 1842)
28. Species Hippothoa catenularia Fleming, 1828 accepted as Pyripora catenularia (Fleming, 1828) (basionym)
29. Species Hippothoa connata Ortmann, 1890 accepted as Cribellopora connata (Ortmann, 1890) (unaccepted > superseded combination, Basionym)
30. Species Hippothoa cornuta accepted as Celleporella cornuta (Busk, 1854)
31. Species Hippothoa crassa MacGillivray, 1869 accepted as Mychoplectra crassa (MacGillivray, 1869) (Basionym)
32. Species Hippothoa divergens Smitt, 1873 accepted as Buffonellaria divergens (Smitt, 1873)
33. Species Hippothoa fenestrata Smitt, 1873 accepted as Stenopsella fenestrata (Smitt, 1873) accepted as Gigantopora fenestrata (Smitt, 1873)
34. Species Hippothoa gigerium Ryland & Gordon, 1977 accepted as Plesiothoa gigerium (Ryland & Gordon, 1977) (basionym)
35. Species Hippothoa hyalina (Linnaeus, 1767) accepted as Celleporella hyalina (Linnaeus, 1767) (synonym)
36. Species Hippothoa pacifica accepted as Hippothoa divaricata pacifica Gordon, 1984
37. Species Hippothoa patagonica Busk, 1852 accepted as Neothoa patagonica (Busk, 1852)
38. Species Hippothoa pesanseris Smitt, 1873 accepted as Bryopesanser pesanseris (Smitt, 1873)
39. Species Hippothoa porosa Smitt, 1873 accepted as Therenia porosa (Smitt, 1873)
40. Species Hippothoa sica Couch, 1844 accepted as Aetea sica (Couch, 1844) (Basionym)
41. Species Hippothoa borealis d'Orbigny, 1852 (uncertain > taxon inquirendum)
42. Species Hippothoa fusiformis d'Orbigny, 1852 (uncertain > taxon inquirendum)
43. Species Hippothoa longicauda Fischer, 1870 (uncertain > taxon inquirendum)
44. Species Hippothoa savignyana d'Orbigny, 1852 (uncertain > taxon inquirendum)

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