1. Species Bigenerina abudaragensis Said & Eissa, 1969 †
2. Species Bigenerina acanthophora Ehrenberg, 1854 †
3. Species Bigenerina acuta Dikova, 1967 † (accepted > unreplaced junior homonym, Primary junior homonym of Bigenerina nodosaria var. acuta Klähn, 1917)
4. Species Bigenerina agglutinans d'Orbigny, 1846 †
5. Species Bigenerina alternans Vašíček, 1947 †
6. Species Bigenerina alternans Tairov, 1961 † (accepted > unreplaced junior homonym, Primary junior homonym of Bigenerina alternans Vašíček, 1947)
7. Species Bigenerina ammobaculitoidea Chang, 1960 †
8. Species Bigenerina ampla Karrer, 1877 †
9. Species Bigenerina anglifera Omara & Kenawy, 1966 †
10. Species Bigenerina antiquissima Bartenstein & Brand, 1951 †
11. Species Bigenerina anulata Costa, 1856 †
12. Species Bigenerina apiculata Ehrenberg, 1854 †
13. Species Bigenerina aspratilis Loeblich & Tappan, 1994
14. Species Bigenerina bifida Costa, 1856 †
15. Species Bigenerina burri Finlay, 1947 †
16. Species Bigenerina compressissima Colom, 1946 †
17. Species Bigenerina cretacea Beissel, 1891 †
18. Species Bigenerina cretae Ehrenberg, 1854 †
19. Species Bigenerina curta Zheng, 1988
20. Species Bigenerina deciusi Church, 1968 †
21. Species Bigenerina delicatula Cushman & Kellett, 1929
22. Species Bigenerina dentaliniformis Terquem, 1866 †
23. Species Bigenerina differens McCulloch, 1981
24. Species Bigenerina dominicana Bermúdez, 1949 †
25. Species Bigenerina elongata Gauger, 1953 †
26. Species Bigenerina elongata Tairov, 1961 † (accepted > unreplaced junior homonym, Primary junior homonym of Bigenerina elongata Gauger, 1953)
27. Species Bigenerina erecta Dain, 1976 †
28. Species Bigenerina euzebioi Petri, 1962 †
29. Species Bigenerina fallax Grzybowski, 1896 †
30. Species Bigenerina floridana Cushman & Ponton, 1932 †
31. Species Bigenerina gracilis Antonova, 1964 †
32. Species Bigenerina hirta Suleymanov, 1985 †
33. Species Bigenerina hsukuanghsii Lee, 1937 †
34. Species Bigenerina humblei Cushman & Ellisor, 1939 †
35. Species Bigenerina infrapaleogenica Suleymanov, 1963 †
36. Species Bigenerina irregularis Phleger & Parker, 1951
37. Species Bigenerina khirthari Haque, 1960 †
38. Species Bigenerina libanotica Ehrenberg, 1854 †
39. Species Bigenerina lindae Schroeder, 1968 †
40. Species Bigenerina loeblichae Crespin, 1953 †
41. Species Bigenerina lytta Lalicker & Bermúdez, 1941
42. Species Bigenerina metingensis Haque, 1962 †
43. Species Bigenerina minima Vašíček, 1947 †
44. Species Bigenerina minima Iovceva & Trifonova, 1961 † (accepted > unreplaced junior homonym, Primary junior homonym of Bigenerina minima Vašíček, 1947)
45. Species Bigenerina minuta Zheng & Fu, 2001
46. Species Bigenerina minutissima Earland, 1933
47. Species Bigenerina nana Vašíček, 1947 †
48. Species Bigenerina nodosa Haque, 1956 †
49. Species Bigenerina nodosaria d'Orbigny, 1826
50. Species Bigenerina pannonica Sztrákos, 1982 †
51. Species Bigenerina paradoxa Vašíček, 1947 †
52. Species Bigenerina paupa d'Orbigny, 1826
53. Species Bigenerina perna Lalicker & Bermúdez, 1941
54. Species Bigenerina plana Subbotina, 1950 †
55. Species Bigenerina pussila Roemer, 1838 †
56. Species Bigenerina reophaciformis Ishizaki, 1939 †
57. Species Bigenerina reophaxiforma Tairov, 1961 †
58. Species Bigenerina ripleyensis Sandidge, 1932 †
59. Species Bigenerina rzehaki Liebus, 1921 †
60. Species Bigenerina sarsi Kiær, 1899
61. Species Bigenerina shihtiensis Chang, 1960 †
62. Species Bigenerina speciosa Yabe & Asano, 1937 †
63. Species Bigenerina striata Ehrenberg, 1845
64. Species Bigenerina subbotinae Tairov, 1961 †
65. Species Bigenerina subtilis Karrer, 1878 †
66. Species Bigenerina suevica Paalzow, 1932 †
67. Species Bigenerina taiwanica Nakamura, 1937
68. Species Bigenerina telisaensis LeRoy, 1944 †
69. Species Bigenerina textularioidea (Goës, 1894)
70. Species Bigenerina torulosa Costa, 1856 †
71. Species Bigenerina truncata d'Orbigny in Fornasini, 1902
72. Species Bigenerina velascoensis Cushman, 1926 †
73. Species Bigenerina yamadai Yabe, 1920 †
74. Subgenus Bigenerina (Bigénérine) d'Orbigny, 1826 accepted as Bigenerina d'Orbigny, 1826 (name not available. ICZN Art. 11 (b)(i): 11 (g): vernacular)
    1. Species Bigenerina (Bigénérine) laevigata d'Orbigny, 1826 accepted as Bigenerina laevigata d'Orbigny, 1826 represented as Bigenerina (Bigenerina) laevigata d'Orbigny, 1826 (name not available. ICZN Art. 11 (b)(i): 11 (g): vernacular)
    2. Species Bigenerina (Bigénérine) nodosaria d'Orbigny, 1826 accepted as Bigenerina nodosaria d'Orbigny, 1826 (name not available. ICZN Art. 11 (b)(i): 11 (g): vernacular)
    3. Species Bigenerina (Bigénérine) truncata d'Orbigny, 1826 accepted as Bigenerina truncata d'Orbigny in Fornasini, 1902 (Nomen nudum & vernacular)
75. Subgenus Bigenerina (Gemmuline) d'Orbigny, 1826 accepted as Gemmulina d'Orbigny in Cuvier, 1838 † (name not available. ICZN Art. 11 (b)(i): 11 (g): vernacular)
    1. Species Bigenerina (Gemmuline) digitata d'Orbigny, 1826 accepted as Bigenerina digitata d'Orbigny, 1826 accepted as Gemmulina digitata d'Orbigny in Cuvier, 1838 accepted as Bigenerina digitata (d'Orbigny in Cuvier, 1838) (name not available. ICZN Art. 11 (b)(i): 11 (g): vernacular)
76. Subgenus Bigenerina (Siphogenerina) Millett, 1900 accepted as Siphogenerina Schlumberger in Milne-Edwards, 1882 (Nomen translatum)
    1. Species Bigenerina (Siphogenerina) schlumbergerii Millett, 1900 accepted as Allassoida schlumbergerii (Millett, 1900)
77. Species Bigenerina angulata Cushman, 1927 † accepted as Gaudryina canadensis Cushman, 1943 † (Nomen novum in Cushman (1943) Secondary junior homonym of G. triangularis var. angulata Cushman, 1924)
78. Species Bigenerina arctica (Brady, 1881) accepted as Cuneata arctica (Brady, 1881)
79. Species Bigenerina arcuata Häusler, 1890 † accepted as Haghimashella arcuata (Häusler, 1890) † (Type species of Haghimashella)
80. Species Bigenerina arcuata Häusler Em. Oesterle, 1968 † accepted as Haghimashella arcuata (Häusler, 1890) †
81. Species Bigenerina arenacea Bagg, 1908 accepted as Vulvulina arenacea (Bagg, 1908) (Opinion of Zheng & Fu, 2008)
82. Species Bigenerina calcarata Berthelin, 1880 † accepted as Bifarina calcarata (Berthelin, 1880) † (Opinion of Bartenstein (1954))
83. Species Bigenerina capreolus (d'Orbigny, 1826) accepted as Vulvulina capreolus d'Orbigny, 1826 accepted as Vulvulina pennatula (Batsch, 1791)
84. Species Bigenerina ciscoensis Cushman & Waters, 1928 † accepted as Eobigenerina ciscoensis (Cushman & Waters, 1928) † (Opinion of Cetean et al. (2011))
85. Species Bigenerina clavellata Loeblich & Tappan, 1946 † accepted as Aaptotoichus clavellatus (Loeblich & Tappan, 1946) † (Type species of Aaptotoichus)
86. Species Bigenerina compressiuscula Chapman, 1917 † accepted as Spiroplectinata compressiuscula (Chapman, 1917) †
87. Species Bigenerina conica Heron-Allen & Earland, 1909 † accepted as Tubulogenerina conica (Heron-Allen & Earland, 1909) † (Subjective junior synonym Opinion of Gibson et al. (1991))
88. Species Bigenerina cucumis Lange, 1925 † accepted as Palaeobigenerina cucumis (Lange, 1925) † (unaccepted > superseded combination, Opinion of Cummings (1956))
89. Species Bigenerina cylindrica Cushman, 1922 accepted as Goesella cylindrica (Cushman, 1922) (Opinion of Zheng & Fu, 2008)
90. Species Bigenerina deceptoria Häusler, 1890 † accepted as Gaudryinella deceptoria (Häusler, 1890) † (Opinion of Seibold and Seibold (1960))
91. Species Bigenerina digitata Brady, 1864 (not d'Orbigny) accepted as Bigenerina cylindrica Cushman, 1922 accepted as Goesella cylindrica (Cushman, 1922)
92. Species Bigenerina digitata d'Orbigny, 1826 accepted as Gemmulina digitata d'Orbigny in Cuvier, 1838 accepted as Bigenerina digitata (d'Orbigny in Cuvier, 1838) (Nomen nudum)
93. Species Bigenerina elegans (Möller, 1879) † accepted as Climacammina elegans (Möller, 1879) †
94. Species Bigenerina elongata Ireland, 1956 † accepted as Bigenerina perkinsi Ireland, 1960 † accepted as Eobigenerina perkinsi (Ireland, 1960) † (Primary junior homonym of Bigenerina elongata Gauger, 1953)
95. Species Bigenerina ferox Heron-Allen & Earland, 1924 † accepted as Tubulogenerina ferox (Heron-Allen & Earland, 1924) † (Opinion of Cushman (1927), Gibson (1989))
96. Species Bigenerina fimbriata Millett, 1900 accepted as Sagrinopsis fimbriata (Millett, 1900) (Opinion of Loeblich and Tappan (1994))
97. Species Bigenerina geyeri Schellwien, 1898 † accepted as Palaeobigenerina geyeri (Schellwien, 1898) † (Type species of Palaeobigenerina)
98. Species Bigenerina hastata Cushman, 1927 † accepted as Pseudoclavulina hastata (Cushman, 1927) † accepted as Clavulina hastata (Cushman, 1927) † (Opinion of Tappan (1962))
99. Species Bigenerina hoeglundi Uchio, 1960 accepted as Haeuslerella hoeglundi (Uchio, 1960) (Opinion of Lankford and Phleger (1973))
100. Species Bigenerina irregularis (Gümbel, 1862) † accepted as Ammobaculites irregularis (Gümbel, 1862) † (Opinion of Seibold and Seibold (1960))
101. Species Bigenerina jurassica (Haeusler) em. Oesterle, 1968 † accepted as Bicazammina jurassica (Häusler, 1890) †
102. Species Bigenerina leonhardi Volz, 1904 † accepted as Cribrogenerina leonhardi (Volz, 1904) † (unaccepted > superseded combination, Opinion of Cummings (1956))
103. Species Bigenerina milchi Volz, 1904 † accepted as Climacammina milchi (Volz, 1904) † (unaccepted > superseded combination, Opinion of Cummings (1956))
104. Species Bigenerina mitrata Trautschold, 1879 † accepted as Climacammina mitrata (Trautschold, 1879) † (unaccepted > superseded combination)
105. Species Bigenerina nicobarica Schwager, 1866 † accepted as Vulvulina nicobarica (Schwager, 1866) † (unaccepted > superseded combination, Opinion of Srinivasan and Sharma (1980))
106. Species Bigenerina nuda Grzybowski, 1896 † accepted as Ellipsodimorphina subcompacta Liebus, 1922 † accepted as Nodosarella subcompacta (Liebus, 1922) † (Subjective junior synonym Opinion of Liszka and Liszkowa (1981) [inversed priority])
107. Species Bigenerina okhotskensis Hada, 1957 (unaccepted > nomen nudum, According to Nomura (1981))
108. Species Bigenerina pennatula (Batsch, 1791) accepted as Vulvulina pennatula (Batsch, 1791)
109. Species Bigenerina perexigua Plummer, 1945 † accepted as Eobigenerina perexigua (Plummer, 1945) † (Opinion of Cetean et al. (2011))
110. Species Bigenerina perkinsi Ireland, 1960 † accepted as Eobigenerina perkinsi (Ireland, 1960) † (Opinion of Cetean et al. (2011))
111. Species Bigenerina perrodata Lange, 1925 † accepted as Palaeotextularia perrodata (Lange, 1925) † (unaccepted > superseded combination, Opinion of Cummings (1956))
112. Species Bigenerina pliocenica Finlay, 1939 † accepted as Haeuslerella pliocenica (Finlay, 1939) †
113. Species Bigenerina robusta (Brady, 1881) accepted as Cribrogoesella robusta (Brady, 1881)
114. Species Bigenerina selseyensis Heron-Allen & Earland, 1909 † accepted as Bifarina selseyensis (Heron-Allen & Earland, 1909) † accepted as Sagrina aspera (Terquem, 1882) † (Opinion of Kaasschieter (1961))
115. Species Bigenerina sinensis (Zheng, 1988) accepted as Bigenerinoides sinensis (Zheng, 1988) (type species of Bigenerinoides)
116. Species Bigenerina sumatrana Volz, 1904 † accepted as Cribrogenerina sumatrana (Volz, 1904) † (Type species of Cribrogenerina)
117. Species Bigenerina vallis (Trifonova, 1967) † accepted as Aaptotoichus vallis (Trifonova, 1967) † (Opinion of Haig and McCartain (2010))
118. Species Bigenerina variabilis Vašíček, 1947 † accepted as Eobigenerina variabilis (Vašíček, 1947) † (Type species of Eobigenerina)
119. Species Bigenerina virgilensis Ireland, 1956 † accepted as Eobigenerina virgilensis (Ireland, 1956) † (Opinion of Cetean et al. (2011))
120. Species Bigenerina wintoni Cushman & Alexander, 1930 † accepted as Haimasiella wintoni (Cushman & Alexander, 1930) † (Type species of Haimasiella)
121. Species Bigenerina wysogorskyi Volz, 1904 † accepted as Cribrogenerina wysogorskyi (Volz, 1904) † (unaccepted > superseded combination, Opinion of Schubert (1908))
122. Subgenus Bigenerina (Bigenerina) d'Orbigny, 1826 represented as Bigenerina d'Orbigny, 1826
     1. Species Bigenerina (Bigenerina) laevigata d'Orbigny, 1826
     2. Species Bigenerina (Bigenerina) nodosaria d'Orbigny, 1826 represented as Bigenerina nodosaria d'Orbigny, 1826
123. Species Bigenerina laevigata d'Orbigny, 1826 represented as Bigenerina (Bigenerina) laevigata d'Orbigny, 1826
124. Species Bigenerina digitata (d'Orbigny in Cuvier, 1838) (uncertain > taxon inquirendum, Opinion of Loeblich and Tappan (1987) p. 701)

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