1. Species Diphyes antarctica Moser, 1925
2. Species Diphyes bojani (Eschscholtz, 1825)
3. Species Diphyes chamissonis Huxley, 1859
4. Species Diphyes dispar Chamisso & Eysenhardt, 1821
5. Species Diphyes acuminata Leuckart, 1853 accepted as Chelophyes appendiculata (Eschscholtz, 1829) (synonym)
6. Species Diphyes appendiculata Eschscholtz, 1829 accepted as Chelophyes appendiculata (Eschscholtz, 1829) (basionym)
7. Species Diphyes arctica Chun, 1897 accepted as Dimophyes arctica (Chun, 1897) (basionym)
8. Species Diphyes bassensis Quoy & Gaimard, 1833 accepted as Bassia bassensis (Quoy & Gaimard, 1833) (basionym)
9. Species Diphyes bigelowi Browne, 1926 accepted as Lensia multicristata (Moser, 1925) (synonym)
10. Species Diphyes biloba Sars, 1846 accepted as Sulculeolaria biloba (Sars, 1846) (basionym)
11. Species Diphyes bipartita (Costa, 1841) accepted as Chelophyes appendiculata (Eschscholtz, 1829) (synonym)
12. Species Diphyes borealis Chun, 1897 accepted as Dimophyes arctica (Chun, 1897) (synonym)
13. Species Diphyes boryi Blainville, 1830 accepted as Diphyes dispar Chamisso & Eysenhardt, 1821 (synonym)
14. Species Diphyes campanulifera Eschscholtz, 1829 accepted as Diphyes dispar Chamisso & Eysenhardt, 1821 (synonym)
15. Species Diphyes conoidea Keferstein & Ehlers, 1860 accepted as Lensia conoidea (Keferstein & Ehlers, 1860) (basionym)
16. Species Diphyes contorta Lens & van Riemsdijk, 1908 accepted as Chelophyes contorta (Lens & van Riemsdijk, 1908)
17. Species Diphyes cymba Quoy & Gaimard, 1833 accepted as Ceratocymba sagittata (Quoy & Gaimard, 1827)
18. Species Diphyes dubia Quoy & Gaimard, 1833 accepted as Praya dubia (Quoy & Gaimard, 1833) (basionym)
19. Species Diphyes elongata (Hyndman, 1842) accepted as Chelophyes appendiculata (Eschscholtz, 1829)
20. Species Diphyes enneagona Quoy & Gaimard, 1834 accepted as Enneagonum hyalinum Quoy & Gaimard, 1827 (unaccepted > junior subjective synonym)
21. Species Diphyes formosa (Fewkes, 1882) accepted as Athorybia formosa Fewkes, 1882 accepted as Athorybia rosacea (Forsskål, 1775)
22. Species Diphyes fowleri Bigelow, 1911 accepted as Lensia fowleri (Bigelow, 1911) (basionym)
23. Species Diphyes gracilis Gegenbaur, 1853 accepted as Chelophyes appendiculata (Eschscholtz, 1829)
24. Species Diphyes hispaniana (Mayer, 1900) accepted as Chelophyes appendiculata (Eschscholtz, 1829) (Plate 29 figs 98-99 show polygastric stage of C. appendiculata; fig.100 is eudoxid of Diphyes bojani)
25. Species Diphyes kochii Will, 1844 accepted as Muggiaea kochii (Will, 1844) (basionym)
26. Species Diphyes mitra Huxley, 1859 accepted as Eudoxoides mitra (Huxley, 1859) (basionym)
27. Species Diphyes ovata Keferstein & Ehlers, 1860 accepted as Kephyes ovata (Keferstein & Ehlers, 1860) (basionym)
28. Species Diphyes prayensis Quoy & Gaimard, 1833 accepted as Rosacea cymbiformis (Delle Chiaje, 1830) (synonym)
29. Species Diphyes quadrivalvis Gegenbaur, 1854 accepted as Sulculeolaria quadrivalvis de Blainville, 1830 (synonym and invalid name)
30. Species Diphyes serrata Chun, 1888 accepted as Diphyes bojani (Eschscholtz, 1825) (possible synonym)
31. Species Diphyes sieboldii Kölliker, 1853 accepted as Chelophyes appendiculata (Eschscholtz, 1829) (synonym)
32. Species Diphyes spiralis Bigelow, 1911 accepted as Eudoxoides spiralis (Bigelow, 1911) (basionym)
33. Species Diphyes steenstrupi Gegenbaur, 1859 accepted as Diphyes bojani (Eschscholtz, 1825) (synonym)
34. Species Diphyes subtilis Chun, 1886 accepted as Lensia subtilis (Chun, 1886) (basionym)
35. Species Diphyes subtiloides Lens & van Riemsdijk, 1908 accepted as Lensia subtiloides (Lens & van Riemsdijk, 1908) (basionym)
36. Species Diphyes truncata Sars, 1846 accepted as Lensia conoidea (Keferstein & Ehlers, 1860) (invalid homonym of Diphyes truncata Quoy & Gaimard, 1833 )
37. Species Diphyes turgida Gegenbaur, 1854 accepted as Sulculeolaria turgida (Gegenbaur, 1854) (basionym)
38. Species Diphyes truncata Quoy & Gaimard, 1833 (uncertain > taxon inquirendum)

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