1. Species Amphistegina abrardi Le Calvez, 1952 †
2. Species Amphistegina alabamensis Applin & Jordan, 1945 †
3. Species Amphistegina angulata (Cushman, 1919) †
4. Species Amphistegina antillarum Williamson, 1852
5. Species Amphistegina aucklandica Karrer, 1864 †
6. Species Amphistegina bicirculata Larsen, 1976
7. Species Amphistegina bikiniensis Todd & Post, 1954 †
8. Species Amphistegina bohdanowiczi Bieda, 1936 †
9. Species Amphistegina californica Cushman & Hanna, 1927 †
10. Species Amphistegina campbelli Karrer, 1864 †
11. Species Amphistegina canaensis Bermúdez, 1949 †
12. Species Amphistegina chipolensis Cushman & Ponton, 1932 †
13. Species Amphistegina clypeolus Reuss, 1855 †
14. Species Amphistegina euaensis Todd, 1970 †
15. Species Amphistegina eyrensis Larsen, 1978 †
16. Species Amphistegina farallonensis Caudri, 1996 †
17. Species Amphistegina floridana Cushman & Ponton, 1932 †
18. Species Amphistegina gibbosa d'Orbigny, 1839
19. Species Amphistegina gigantea Karrer, 1865 †
20. Species Amphistegina grimsdalei Caudri, 1975 †
21. Species Amphistegina guraboensis Bermúdez, 1949 †
22. Species Amphistegina hauerina d'Orbigny, 1846 †
23. Species Amphistegina javanica Ehrenberg, 1856 †
24. Species Amphistegina lessonii d'Orbigny in Deshayes, 1830
25. Species Amphistegina lobifera Larsen, 1976
26. Species Amphistegina mammilla (Fichtel & Moll, 1798) †
27. Species Amphistegina martybuzasi Wilson, Ramkissoon & McLean, 2011 †
28. Species Amphistegina mexicana Cole, 1927 †
29. Species Amphistegina minuta Brady, 1876 †
30. Species Amphistegina multicamerata Bermúdez, 1937 †
31. Species Amphistegina nassauensis Applin & Jordan, 1945 †
32. Species Amphistegina nucleata Terquem Em. Le Calvez, 1949 †
33. Species Amphistegina nummulinaeformis Abich, 1882 †
34. Species Amphistegina papillosa Said, 1949
35. Species Amphistegina parvula (Cushman, 1919) †
36. Species Amphistegina pauciseptata Caudri, 1975 †
37. Species Amphistegina pinarensis Cushman & Bermúdez, 1937 †
38. Species Amphistegina pregrimsdalei Caudri, 1974 †
39. Species Amphistegina radiata (Fichtel & Moll, 1798)
40. Species Amphistegina rotundata (Cushman, 1919) †
41. Species Amphistegina schoeffleri Cizancourt, 1951 †
42. Species Amphistegina semicostata Kaufmann, 1867 †
43. Species Amphistegina taberana Bermúdez, 1949 †
44. Species Amphistegina targioni Meneghini, 1881 †
45. Species Amphistegina tuberculata (Cushman, 1919) †
46. Species Amphistegina uloaensis Biesiot, 1957 †
47. Species Amphistegina undecima Caudri, 1975 †
48. Species Amphistegina vulgaris d'Orbigny in Deshayes, 1830 †
49. Species Amphistegina wanneriana Fischer, 1921 †
50. Species Amphistegina bilobata d'Orbigny, 1826 accepted as Amphistegina bilobata d'Orbigny in Fornasini, 1903 (Nomen nudum)
51. Species Amphistegina cubensis Palmer, 1934 † accepted as Butterliniana cubensis (Palmer, 1934) † (unaccepted > superseded combination, Type species of Butterliniana)
52. Species Amphistegina cumingii Carpenter, 1860 accepted as Operculinella cumingii (Carpenter, 1860) (unaccepted > superseded combination, type species of Operculinella)
53. Species Amphistegina elliotti Cushman & Stainforth, 1946 † accepted as Helicostegina wellsi (Cole & Bermúdez, 1944) † (unaccepted > junior subjective synonym, Subjective junior synonym Opinion of Mitchell et al. (2022))
54. Species Amphistegina fleuriausi d'Orbigny, 1826 † accepted as Amphistegina fleuriausiana d'Orbigny, 1850 † accepted as Daviesina fleuriausiana (d'Orbigny, 1850) † (Nomen nudum)
55. Species Amphistegina fleuriausi d'Orbigny in Reuss, 1862 † accepted as Amphistegina fleuriausiana d'Orbigny, 1850 † accepted as Daviesina fleuriausiana (d'Orbigny, 1850) † (Incorrect subsequent spelling Reuss used the spelling of d'Orbigny (1826) not available )
56. Species Amphistegina fleuriausiana d'Orbigny, 1850 † accepted as Daviesina fleuriausiana (d'Orbigny, 1850) † (Opinion of Hottinger (2014))
57. Species Amphistegina gibba d'Orbigny, 1826 accepted as Amphistegina gibba d'Orbigny in Fornasini, 1903 (Nomen nudum)
58. Species Amphistegina lessoni d'Orbigny in Deshayes, 1830 accepted as Amphistegina lessonii d'Orbigny in Deshayes, 1830 (The name was made available by Deshayes (1830) as "lessoni" but the spelling used by d'Orbigny as "lessonii" remains in prevailing usage)
59. Species Amphistegina lessonii d'Orbigny, 1826 accepted as Amphistegina lessonii d'Orbigny in Deshayes, 1830 (Nomen nudum)
60. Species Amphistegina lopeztrigoi Palmer, 1934 † accepted as Eoconuloides lopeztrigoi (Palmer, 1934) † accepted as Tremastegina lopeztrigoi (Palmer, 1934) † (unaccepted > superseded combination, Opinion of Blondeau and Brabb (1983))
61. Species Amphistegina madagascariensis d'Orbigny, 1826 accepted as Amphistegina madagascariensis d'Orbigny in Fornasini, 1903 accepted as Amphistegina lessonii d'Orbigny in Deshayes, 1830 (Nomen nudum)
62. Species Amphistegina madagascariensis d'Orbigny in Fornasini, 1903 accepted as Amphistegina lessonii d'Orbigny in Deshayes, 1830 (Considered a nomen nudum by Larsen (1976). Subjective junior synonym of A. lessonii Opinion of Fornasini (1903) see note; Subjective junior synonym of A. lobifera Opinion of Prazeres et al. (2020))
63. Species Amphistegina mamilla (Fichtel & Moll, 1798) † accepted as Amphistegina mammilla (Fichtel & Moll, 1798) † (Incorrect subsequent spelling)
64. Species Amphistegina mamillata d'Orbigny, 1846 † accepted as Amphistegina hauerina d'Orbigny, 1846 † (Subjective junior synonym in opinion of Papp & Schmid (1985))
65. Species Amphistegina nucleata Terquem, 1882 † accepted as Amphistegina nucleata Terquem Em. Le Calvez, 1949 †
66. Species Amphistegina nummularia Reuss, 1856 † accepted as Nummulina germanica Bornemann, 1860 † accepted as Nummulites germanicus (Bornemann, 1860) † (Nomen novum in Bornemann (1860) Secondary junior homonym of Camerina nummularia Bruguière, 1792 )
67. Species Amphistegina ornatissima Karrer, 1864 † accepted as Cribrorotalia ornatissima (Karrer, 1864) † accepted as Porosorotalia ornatissima (Karrer, 1864) †
68. Species Amphistegina quoii d'Orbigny, 1826 accepted as Amphistegina quoyi d'Orbigny, 1826 accepted as Amphistegina radiata (Fichtel & Moll, 1798) (Original misspelling Species dedicated to Quoy)
69. Species Amphistegina quoyi d'Orbigny, 1826 accepted as Amphistegina radiata (Fichtel & Moll, 1798) (Subjective junior synonym Opinion of Larsen (1976), Rögl and Hansen (1984), Loeblich and Tappan (1987))
70. Species Amphistegina rosacea (d'Orbigny in Parker, Jones & Brady, 1865) accepted as Biasterigerina rosacea (d'Orbigny in Parker, Jones & Brady, 1865) accepted as Biasterigerina planorbis (d'Orbigny, 1846) (opinion of Poignant (1998))
71. Species Amphistegina rugosa d'Orbigny, 1846 † accepted as Amphistegina hauerina d'Orbigny, 1846 † (Subjective junior synonym in opinion of Papp & Schmid (1985))
72. Species Amphistegina senni Cushman, 1945 † accepted as Tremastegina senni (Cushman, 1945) † (unaccepted > superseded combination, Type species of Tremastegina)
73. Species Amphistegina trilobata d'Orbigny, 1826 accepted as Amphistegina trilobata d'Orbigny in Fornasini, 1903 (Nomen nudum)
74. Species Amphistegina venosa (Fichtel & Moll, 1798) accepted as Operculinella venosa (Fichtel & Moll, 1798) accepted as Nummulites venosus (Fichtel & Moll, 1798) (Opinion of Zheng & Fu, 2008)
75. Species Amphistegina vulgaris d'Orbigny, 1826 † accepted as Amphistegina vulgaris d'Orbigny in Deshayes, 1830 † (Nomen nudum)
76. Species Amphistegina bilobata d'Orbigny in Fornasini, 1903 (uncertain > taxon inquirendum, Opinion of Hallock Muller (2019) pers. comm. [possibly an early description of A. bicirculata, but the image has charcteristics of both A. lessonii and A. bicirculata])
77. Species Amphistegina excavata Terquem, 1882 † (uncertain > nomen dubium, Opinion of Le Calvez (1949) No syntype, poor illustration)
78. Species Amphistegina foveolata Egger, 1893 (uncertain > taxon inquirendum, Opinion of Hallock Muller (2019) pers. comm. [possibly a somewhat papillate A. radiata, but image is insufficient to tell, probably too thick to be an A. papillosa])
79. Species Amphistegina gibba d'Orbigny in Fornasini, 1903 (uncertain > taxon inquirendum, Opinion of Hallock Muller (2019) pers. comm. [possibly an early description of A. bicirculata, but the image has charcteristics of both A. lessonii and A. bicirculata])
80. Species Amphistegina maculata Egger, 1893 (uncertain > taxon inquirendum, Opinion of Hallock Muller (2019) pers. comm. [possibly an early description of A. lobifera, but image is insufficient to tell])
81. Species Amphistegina parisiensis Terquem, 1882 † (uncertain > taxon inquirendum, Opinion of Le Calvez (1949) Broken specimen)
82. Species Amphistegina radiata Terquem, 1880 (uncertain > nomen dubium, Very poor illustration Opinion of Hallock Muller (2019) pers. comm. Secondary junior homonym of Amphistegina radiata (Fichtel & Moll, 1798). Nomen dubium: Lévy et al. (1975))
83. Species Amphistegina subparisiensis Grzybowski, 1898 † (uncertain > taxon inquirendum, Opinion of Kaminski and Geroch (1993) [Osangularia sp.])
84. Species Amphistegina trilobata d'Orbigny in Fornasini, 1903 (uncertain > taxon inquirendum, Opinion of Hallock Muller (2019) pers. comm. [possibly an early description of A. bicirculata, but the image has charcteristics of both A. lessonii and A. bicirculata])

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