1. Species Oxytoxum aceratum Rampi
2. Species Oxytoxum adriaticum Schiller, 1937
3. Species Oxytoxum areolatum Rampi, 1941
4. Species Oxytoxum belgicae Meunier, 1910
5. Species Oxytoxum breve Kofoid & Michener, 1911
6. Species Oxytoxum caudatum Schiller, 1937
7. Species Oxytoxum challengeroides Kofoid, 1907
8. Species Oxytoxum coronatum Schiller, 1937
9. Species Oxytoxum crassum J.Schiller, 1937
10. Species Oxytoxum cribosum Stein, 1883
11. Species Oxytoxum criophilum Balech, 1965
12. Species Oxytoxum curvatum (Kofoid) Kofoid & J.R.Michener, 1911
13. Species Oxytoxum depressum Schiller, 1937
14. Species Oxytoxum elegans Pavillard, 1916
15. Species Oxytoxum elongatum Wood, 1963
16. Species Oxytoxum gladiolus Stein, 1883
17. Species Oxytoxum globosum Schiller
18. Species Oxytoxum gracile Schiller, 1937
19. Species Oxytoxum laticeps Schiller, 1937
20. Species Oxytoxum ligusticum Rampi, 1941
21. Species Oxytoxum longiceps Schiller
22. Species Oxytoxum longum Schiller, 1937
23. Species Oxytoxum mediterraneum Schiller
24. Species Oxytoxum michaelsarsii Gaarder, 1954
25. Species Oxytoxum minutum Rampi, 1941
26. Species Oxytoxum mitra (F.Stein) Schröder, 1906
27. Species Oxytoxum obesum Rampi, 1969
28. Species Oxytoxum obliquum Schiller, 1937
29. Species Oxytoxum ovale J.Schiller, 1937
30. Species Oxytoxum ovum Gaarder, 1954
31. Species Oxytoxum pachyderme Schiller ex F.J.R.Taylor, 1976
32. Species Oxytoxum parvum Schiller, 1937
33. Species Oxytoxum phalericum Athanassopoulos, 1931
34. Species Oxytoxum punctulatum Rampi
35. Species Oxytoxum pyramidale Dodge & Saunders, 1985
36. Species Oxytoxum rampii Sournia
37. Species Oxytoxum reticulatum (Stein) Schütt, 1899
38. Species Oxytoxum sceptrum (F.Stein) Schröder, 1906
39. Species Oxytoxum schauinslandii Lemmermann, 1905
40. Species Oxytoxum scolopax Stein, 1883
41. Species Oxytoxum semicollatum F.J.R.Taylor, 1976
42. Species Oxytoxum sphaeroideum Stein, 1883
43. Species Oxytoxum subulatum Kofoid, 1907
44. Species Oxytoxum tesselatum (F.Stein) Schütt, 1895
45. Species Oxytoxum turbo Kofoid, 1907
46. Species Oxytoxum variabile Schiller, 1937
47. Species Oxytoxum variabilis Schiller
48. Species Oxytoxum viride Schiller, 1937
49. Species Oxytoxum biconicum (Kofoid) J.D.Dodge & R.D.Saunders, 1985 accepted as Corythodinium biconicum (Kofoid) F.J.R.Taylor, 1976
50. Species Oxytoxum brunellii Rampi, 1939 accepted as Corythodinium brunellii (Rampi) F.Gómez, 2017
51. Species Oxytoxum compressum Kofoid, 1907 accepted as Corythodinium compressum (Kofoid) F.J.R.Taylor, 1976 (synonym)
52. Species Oxytoxum constrictum (F.Stein) Bütschli, 1885 accepted as Corythodinium constrictum (F.Stein) F.J.R.Taylor, 1976
53. Species Oxytoxum cristatum Kofoid, 1907 accepted as Corythodinium cristatum (Kofoid) F.J.R.Taylor, 1976
54. Species Oxytoxum curvicaudatum Kofoid, 1907 accepted as Corythodinium curvicaudatum (Kofoid) F.J.R.Taylor, 1976
55. Species Oxytoxum diploconus F.Stein, 1883 accepted as Corythodinium diploconus (F.Stein) F.J.R.Taylor, 1976
56. Species Oxytoxum frenguellii Rampi, 1941 accepted as Corythodinium frenguellii (Rampi) F.J.R.Taylor, 1976
57. Species Oxytoxum gigas Kofoid, 1907 accepted as Schuettiella mitra (Schütt) Balech, 1988 (synonym)
58. Species Oxytoxum lativelatum F.J.R.Taylor, 1976 accepted as Oxytoxum ovale J.Schiller, 1937 (synonym)
59. Species Oxytoxum latum Gaarder, 1954 accepted as Corythodinium latum (Gaarder) F.J.R.Taylor, 1976
60. Species Oxytoxum margalefii Rampi, 1969 accepted as Amphidoma caudata Halldal, 1953 accepted as Azadinium caudatum (Halldal) Nézan & Chomérat, 2012 (synonym)
61. Species Oxytoxum milneri G.Murray & Whitting, 1899 accepted as Corythodinium milneri (G.Murray & Whitting) F.Gómez, 2017
62. Species Oxytoxum mucronatum B.Hope, 1954 accepted as Corythodinium mucronatum (B.Hope) F.Gómez, 2017
63. Species Oxytoxum nanum Halldal, 1953 accepted as Oxytoxum caudatum Schiller, 1937 (synonym)
64. Species Oxytoxum radiosum Rampi, 1941 accepted as Corythodinium radiosum (Rampi) F.Gómez, 2017
65. Species Oxytoxum recurvum Kofoid & Michener, 1911 accepted as Corythodinium recurvum (Kofoid & Michener) F.J.R.Taylor, 1976
66. Species Oxytoxum reticulatum Bütschli, 1885 accepted as Corythodinium reticulatum (Stein) F.J.R.Taylor, 1976 (synonym)
67. Species Oxytoxum robustum Kofoid & J.R.Michener, 1911 accepted as Phormidesmis nigrescens (Komarek) Raabová, L.Kovacik, Elster & Strunecký, 2019
68. Species Oxytoxum strophalatum J.D.Dodge & R.D.Saunders, 1985 accepted as Corythodinium strophalatum (J.D.Dodge & R.D.Saunders) F.Gómez, 2017
69. Species Oxytoxum tenuistriatum Rampi, 1943 accepted as Oxytoxum sceptrum (F.Stein) Schröder, 1906 (synonym)
70. Species Oxytoxum tonollii Rampi, 1969 accepted as Azadinium caudatum (Halldal) Nézan & Chomérat, 2012 (synonym)

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