1. Species Odontella aurita (Lyngbye) C.Agardh, 1832
2. Species Odontella atlantica (Frenguelli) E.A.Sar, 2007 accepted as Zygoceros atlanticus (Frenguelli) Sar, 2015 (unaccepted > junior subjective synonym)
3. Species Odontella subaequa Kützing, 1844 accepted as Biddulphia subaequa (Kützing) J.Ralfs, 1861 (basionym)
4. Species Odontella affinis (Grunow) Cleve, 1901 accepted as Triceratium affine Grunow in Van Heurck, 1883 (uncertain > unassessed)
5. Species Odontella amphicephala Ehrenberg, 1845 (uncertain > unassessed)
6. Species Odontella angulata (Schmidt in Schmidt et al.) De Toni, 1894 accepted as Biddulphia angulata Schmidt in Schmidt et al., 1888 (uncertain > unassessed)
7. Species Odontella antediluviana (Ehrenberg) M. Peragallo, 1903 accepted as Amphitetras antediluviana var. antediluviana Ehrenberg, 1840 (uncertain > unassessed)
8. Species Odontella barbadensis (Greville) De Toni, 1894 accepted as Biddulphia barbadensis Greville, 1866 (uncertain > unassessed)
9. Species Odontella biddulphioides Wigand, 1860 (uncertain > unassessed)
10. Species Odontella birostrum (Brun) De Toni, 1894 accepted as Biddulphia birostrum Brun, 1891 (uncertain > unassessed)
11. Species Odontella boryana Pantocsek, 1889 (uncertain > unassessed)
12. Species Odontella brittoniana (Kain & E.A. Schultze) De Toni, 1894 accepted as Biddulphia brittoniana C.H.Kain & E.A.Schultze, 1889 † (uncertain > unassessed)
13. Species Odontella calamus (Brun & Tempère) Schrader in Schrader & Fenner, 1976 accepted as Biddulphia calamus Tempère & Brun, 1889 † (uncertain > unassessed)
14. Species Odontella chinensis (Greville) Grunow, 1884 accepted as Biddulphia sinensis Greville, 1866 (uncertain > unassessed)
15. Species Odontella cookiana (Kain & E.A. Schultze) De Toni, 1894 accepted as Biddulphia cookiana Kain & Schultze, 1889 (uncertain > unassessed)
16. Species Odontella cornuta (J. Brun) Schrader in Schrader & Fenner, 1976 accepted as Biddulphia cornuta Brun, 1894 (uncertain > unassessed)
17. Species Odontella cristata Fide Grunow, 1884 (uncertain > unassessed)
18. Species Odontella decorata (Greville) De Toni, 1894 accepted as Biddulphia decorata Greville, 1865 (uncertain > unassessed)
19. Species Odontella desmidium Ehrenberg, 1838 (uncertain > unassessed)
20. Species Odontella discigera (Grunow) De Toni (uncertain > unassessed)
21. Species Odontella dissipata (Grove & Sturt) De Toni, 1894 accepted as Biddulphia dissipata Grove & Sturt, 1887 (uncertain > unassessed)
22. Species Odontella dubia (Brightwell) Cleve, 1901 accepted as Pseudictyota dubium (Brightwell) P.A. Sims & D. M. Williams in Sims et al., 2018 (uncertain > unassessed)
23. Species Odontella edwardsii (Febiger ex H.L. Smith) Grunow, 1884 accepted as Biddulphia edwardsii Febiger ex Grunow, 1882 (uncertain > unassessed)
24. Species Odontella elegans (Van Heurck) De Toni, 1894 accepted as Amphitetras elegans Greville, 1866 (uncertain > unassessed)
25. Species Odontella expedita (Janisch in Schmidt et al.) De Toni, 1894 accepted as Biddulphia expedita Janisch in Schmidt et al., 1888 (uncertain > unassessed)
26. Species Odontella favus (Ehrenberg) Cleve, 1901 accepted as Triceratium favus f. favus Ehrenberg, 1840 (uncertain > unassessed)
27. Species Odontella favus (Ehrenberg) M. Peragallo, 1903 accepted as Triceratium favus f. favus Ehrenberg, 1840 (uncertain > unassessed)
28. Species Odontella febigeri Grunow, 1884 (uncertain > unassessed)
29. Species Odontella fenestrata (Grunow in Schmidt et al.) De Toni, 1894 accepted as Biddulphia fenestrata (Grove & Sturt) Grunow in Schmidt et al., 1888 accepted as Auliscus fenestratus Grove & Sturt, 1887 (uncertain > unassessed)
30. Species Odontella filiformis Ehrenberg, 1838 (uncertain > unassessed)
31. Species Odontella gallapagensis (Cleve) De Toni, 1894 accepted as Biddulphia gallapagensis Cleve, 1881 (uncertain > unassessed)
32. Species Odontella hastata (Greville) J. Fenner ex Williams, 1988 accepted as Hemiaulus hastatus Greville, 1865 (uncertain > unassessed)
33. Species Odontella heibergii Grunow, 1884 (uncertain > unassessed)
34. Species Odontella laevis (Ehrenberg) Kützing, 1849 accepted as Denticella levis Ehrenberg, 1844 (uncertain > unassessed)
35. Species Odontella litigiosa (Van Heurck) Hoban, 1980 accepted as Biddulphia litigiosa Van Heurck, 1909 (uncertain > unassessed)
36. Species Odontella longicruris (Greville) M.A.Hoban, 1983 accepted as Hobaniella longicruris (Greville) P.A. Sims & D.M. Williams in Sims et al., 2018 (uncertain > unassessed)
37. Species Odontella macdonaldii (Norman in Pritchard) Grunow, 1884 accepted as Biddulphia macdonaldii Norman in Pritchard, 1861 (uncertain > unassessed)
38. Species Odontella mammosa (Greville) De Toni, 1894 accepted as Biddulphia mammosa Greville, 1866 (uncertain > unassessed)
39. Species Odontella manca (Janisch in Schmidt et al.) De Toni, 1894 accepted as Biddulphia manca Janisch in Schmidt et al., 1888 (uncertain > unassessed)
40. Species Odontella minutissima (Greville) De Toni, 1894 accepted as Biddulphia minutissima Greville, 1886 (uncertain > unassessed)
41. Species Odontella mobilensis (J. W. Bailey) Grunow, 1884 (uncertain > unassessed)
42. Species Odontella mobiliensis (J.W.Bailey) Grunow, 1884 (uncertain > unassessed)
43. Species Odontella neogradensis Pantocsek, 1886 (uncertain > unassessed)
44. Species Odontella oamaruensis (Grove & Sturt) De Toni, 1894 accepted as Biddulphia oamaruensis Grove & Sturt, 1886 (uncertain > unassessed)
45. Species Odontella obtusa Kützing, 1844 (uncertain > unassessed)
46. Species Odontella pedalis (Grunow & Sturt) Grunow, 1888 accepted as Biddulphia pedalis Grove & Sturt, 1887 (uncertain > unassessed)
47. Species Odontella plana (Schmidt in Schmidt et al.) De Toni, 1894 accepted as Pseudictyota plana (A. Schmidt) P.A. Sims & D. M. Williams in Sims et al., 2018 (uncertain > unassessed)
48. Species Odontella polycanthos (Brun) De Toni, 1894 (uncertain > unassessed)
49. Species Odontella polymera (Ehrenberg) Kützing, 1849 accepted as Denticella polymera Ehrenberg, 1844 (1845) (uncertain > unassessed)
50. Species Odontella polymorpha Kützing accepted as Isthmia polymorpha Montagne, 1840 (uncertain > unassessed)
51. Species Odontella primordialis (Brun) De Toni, 1894 accepted as Biddulphia primordialis var. primordialis Brun, 1891 (uncertain > unassessed)
52. Species Odontella pygmea Pantocsek, 1892 (uncertain > unassessed)
53. Species Odontella regia (Schultze) Simonsen, 1974 (uncertain > unassessed)
54. Species Odontella reticulata (Roper) De Toni, 1894 accepted as Biddulphia reticulata f. reticulata Roper, 1859 (uncertain > unassessed)
55. Species Odontella retiformis (A. Mann) von Stosch, 1985 accepted as Biddulphia retiformis Mann, 1925 (uncertain > unassessed)
56. Species Odontella rhombus (Ehrenberg) Kützing, 1849 accepted as Zygoceros rhombus Ehrenberg, 1839 (uncertain > unassessed)
57. Species Odontella roperiana (Greville) De Toni, 1894 accepted as Biddulphia roperiana f. roperiana Greville, 1859 (uncertain > unassessed)
58. Species Odontella rostrata (Hustedt) Simonsen, 1987 accepted as Biddulphia rostrata var. rostrata Hustedt, 1939 (uncertain > unassessed)
59. Species Odontella separanda (Janisch in Schmidt et al.) De Toni, 1894 accepted as Biddulphia separanda Janisch in Schmidt et al., 1888 (uncertain > unassessed)
60. Species Odontella septentrionala Schrader in Schrader & Fenner, 1976 (uncertain > unassessed)
61. Species Odontella sinensis (Greville) Grunow, 1884 accepted as Biddulphia sinensis Greville, 1866 (uncertain > unassessed)
62. Species Odontella spinosa (Greville) Grunow, 1884 accepted as Biddulphia spinosa var. spinosa Greville, 1865 (uncertain > unassessed)
63. Species Odontella spinulosa (Grunow) Cleve, 1901 accepted as Triceratium spinulosum Grunow in Schmidt et al., 1885 (uncertain > unassessed)
64. Species Odontella striata Reinsch, 1890 (uncertain > unassessed)
65. Species Odontella sublevis (Grunow in Van Heurck) De Toni, 1894 (uncertain > unassessed)
66. Species Odontella tentaculifera (Cleve) De Toni, 1894 accepted as Biddulphia tentaculifera Cleve, 1881 (uncertain > unassessed)
67. Species Odontella tetraodon Ehrenberg, 1840 (uncertain > unassessed)
68. Species Odontella tubulosa (Brun) De Toni, 1894 accepted as Biddulphia tubulosa Brun, 1891 (uncertain > unassessed)
69. Species Odontella tumida (Ehrenberg) Kützing, 1849 accepted as Denticella tumida Ehrenberg, 1844 (1845) (uncertain > unassessed)
70. Species Odontella turgida (Ehrenberg) Kützing, 1844 accepted as Denticella turgida Ehrenberg, 1840 (uncertain > unassessed)
71. Species Odontella unidentata Ehrenberg, 1838 (uncertain > unassessed)
72. Species Odontella weissflogii (Grunow) Grunow, 1884 accepted as Biddulphia weissflogii Grunow, 1882 (uncertain > unassessed)

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