1. Species Amphitetras antediluviana Ehrenberg, 1840
2. Species Amphitetras grevillei De Toni
3. Species Amphitetras ornata Shadbolt
4. Species Amphitetras acutangula (Greville) De Toni, 1894 accepted as Triceratium acutangulum var. acutangulum Greville, 1864 (uncertain > unassessed)
5. Species Amphitetras adriatica Kützing, 1845 (uncertain > unassessed)
6. Species Amphitetras alternans H.L. Smith in Christian, 1887 (uncertain > unassessed)
7. Species Amphitetras anderssonii (Cleve) De Toni, 1894 accepted as Triceratium anderssonii Cleve, 1881 (uncertain > unassessed)
8. Species Amphitetras antediluviana sensu? Brightwell, 1859 (uncertain > unassessed)
9. Species Amphitetras arisata Shadbolt, 1854 (uncertain > unassessed)
10. Species Amphitetras atlantica (Castracane) De Toni, 1894 accepted as Triceratium atlanticum Castracane, 1886 (uncertain > unassessed)
11. Species Amphitetras balearica (Cleve & Grunow in Cleve) De Toni, 1894 accepted as Triceratium balearicum f. balearicum Cleve & Grunow in Cleve, 1881 (uncertain > unassessed)
12. Species Amphitetras blandita (Greville) De Toni, 1894 accepted as Triceratium blanditum Greville, 1861 (uncertain > unassessed)
13. Species Amphitetras campechiana (Grunow) De Toni, 1894 accepted as Triceratium campechianum Grunow in Cleve, 1878 (uncertain > unassessed)
14. Species Amphitetras canalifera (Brun) De Toni, 1894 accepted as Triceratium canalifer Brun, 1891 (uncertain > unassessed)
15. Species Amphitetras coerulescens (Pantocsek) De Toni, 1894 accepted as Triceratium coerulescens Pantocsek, 1892 (uncertain > unassessed)
16. Species Amphitetras conciliata (Pantocsek) De Toni, 1894 accepted as Triceratium conciliatum var. conciliatum Pantocsek, 1889 (uncertain > unassessed)
17. Species Amphitetras cornuta (Greville) De Toni, 1894 accepted as Triceratium cornutum R.K.Greville † accepted as Trinacria cornuta (R.K.Greville) P.A.Sims & R.Ross, 1988 † (uncertain > unassessed)
18. Species Amphitetras cruciata Janisch & Rabenhorst, 1863 (uncertain > unassessed)
19. Species Amphitetras crucifera Kitton in Ralfs in Pritchard, 1861 (uncertain > unassessed)
20. Species Amphitetras crux Brightwell, 1859 (uncertain > unassessed)
21. Species Amphitetras cuspidata L.W. Bailey, 1862 (uncertain > unassessed)
22. Species Amphitetras dutertrei (Pantocsek & Tempère) De Toni, 1894 accepted as Triceratium dutertrei Pantocsek & Tempère in Pantocsek, 1889 † accepted as Entogoniopsis dutertrei (Pantocsek & Tempère) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 † (uncertain > unassessed)
23. Species Amphitetras elegans Greville, 1866 (uncertain > unassessed)
24. Species Amphitetras excavata W. Smith, 1855 (uncertain > unassessed)
25. Species Amphitetras favosa Harvey & J.W. Bailey, 1853 (uncertain > unassessed)
26. Species Amphitetras gemmata Ehrenberg, 1858 (uncertain > unassessed)
27. Species Amphitetras godeffroyi ‘Grunow' Mills, 1935 (uncertain > unassessed)
28. Species Amphitetras graeffeiana Witt, 1873 (uncertain > unassessed)
29. Species Amphitetras inconspicua (Greville) De Toni, 1894 accepted as Triceratium inconspicuum Greville, 1861 † accepted as Fenneria brachiata (T.Brightwell) J.Witkowski, 2018 † (uncertain > unassessed)
30. Species Amphitetras ingloria (Greville) De Toni, 1894 accepted as Triceratium inglorium Greville, 1865 (uncertain > unassessed)
31. Species Amphitetras intermedia (Grove & Sturt) De Toni, 1894 accepted as Triceratium intermedium Grove & Sturt, 1887 (uncertain > unassessed)
32. Species Amphitetras kusnetzkiana (Pantocsek) De Toni, 1894 accepted as Triceratium kusnetzkianum Pantocsek, 1889 (uncertain > unassessed)
33. Species Amphitetras lamprodictya Ehrenberg, 1860 (uncertain > unassessed)
34. Species Amphitetras lanceolata (Pantocsek) De Toni, 1894 accepted as Triceratium lanceolatum Pantocsek, 1889 (uncertain > unassessed)
35. Species Amphitetras lata (Greville) De Toni, 1894 accepted as Triceratium latum var. latum Greville, 1865 (uncertain > unassessed)
36. Species Amphitetras leptotis Ehrenberg, 1862 (uncertain > unassessed)
37. Species Amphitetras mamillaris Ehrenberg, 1872 (uncertain > unassessed)
38. Species Amphitetras margaritifera (Cleve) De Toni, 1894 accepted as Triceratium margaritiferum Cleve, 1881 (uncertain > unassessed)
39. Species Amphitetras minuta Greville, 1861 (uncertain > unassessed)
40. Species Amphitetras mortimerii ‘Habirshaw', 1877 (uncertain > unassessed)
41. Species Amphitetras nobilis Greville, 1865 (uncertain > unassessed)
42. Species Amphitetras oculata (Greville) De Toni, 1894 accepted as Triceratium oculatum f. oculatum Greville, 1864 (uncertain > unassessed)
43. Species Amphitetras parallela Ehrenberg, 1840 (uncertain > unassessed)
44. Species Amphitetras parvula Greville, 1863 (uncertain > unassessed)
45. Species Amphitetras parvula Janisch & Rabenhorst, 1863 (uncertain > unassessed)
46. Species Amphitetras perryana (Truan y Luard & Witt) De Toni, 1894 accepted as Triceratium perryanum Truan y Luard & Witt, 1888 (uncertain > unassessed)
47. Species Amphitetras pethoei (Pantocsek) De Toni, 1894 accepted as Triceratium pethoei Pantocsek, 1889 (uncertain > unassessed)
48. Species Amphitetras producta Greville, 1862 (uncertain > unassessed)
49. Species Amphitetras pulvillus (Castracane) De Toni, 1894 accepted as Triceratium pulvillus Castracane, 1886 (uncertain > unassessed)
50. Species Amphitetras punctata Greville, 1862 (uncertain > unassessed)
51. Species Amphitetras quadrangularis (Greville) De Toni, 1894 accepted as Triceratium quadrangulare Greville, 1865 (uncertain > unassessed)
52. Species Amphitetras quadricornis (Greville) De Toni, 1894 accepted as Triceratium quadricorne Greville, 1865 (uncertain > unassessed)
53. Species Amphitetras radiata Greville, 1862 (uncertain > unassessed)
54. Species Amphitetras radiatopunctata Missuna, 1914 (uncertain > unassessed)
55. Species Amphitetras rectangularis (Grove & Sturt) De Toni, 1894 accepted as Triceratium rectangulare Grove & Sturt, 1887 (uncertain > unassessed)
56. Species Amphitetras sarniensis ‘Greville' Chase (uncertain > unassessed)
57. Species Amphitetras sturtii (Pantocsek) De Toni, 1894 accepted as Triceratium sturtii Pantocsek, 1886 (uncertain > unassessed)
58. Species Amphitetras subrotundata Janisch in Schmidt et al., 1886 (uncertain > unassessed)
59. Species Amphitetras tessellata Shadbolt, 1854 (uncertain > unassessed)
60. Species Amphitetras tetragona (Pantocsek) De Toni, 1894 accepted as Triceratium tetragonum Pantocsek, 1889 (uncertain > unassessed)
61. Species Amphitetras unguiculata (Greville) De Toni, 1894 accepted as Triceratium unguiculatum Greville, 1864 (uncertain > unassessed)
62. Species Amphitetras wilkesii Harvey & J.W. Bailey, 1854 (uncertain > unassessed)
63. Species Amphitetras zonatulata (Greville) De Toni, 1894 accepted as Triceratium zonatulatum f. zonulatum Greville, 1865 (uncertain > unassessed)

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