1. Species Biflustra actaeon d'Orbigny, 1852 †
2. Species Biflustra adenticulata Boonzaaier-Davids, Florence & Gibbons, 2020
3. Species Biflustra ajantarensis (Guha, 1989) †
4. Species Biflustra akshiensis Badve & Sonar, 1995
5. Species Biflustra amata d'Orbigny, 1852 †
6. Species Biflustra aquitanica Jullien, 1903
7. Species Biflustra arborescens (Canu & Bassler, 1928)
8. Species Biflustra bartschi (Canu & Bassler, 1929)
9. Species Biflustra bifossata (Brown, 1952) †
10. Species Biflustra bituberculata d'Orbigny, 1852 †
11. Species Biflustra cetrata (Harmer, 1926)
12. Species Biflustra chainei (Vigneaux, 1949) †
13. Species Biflustra chakrudensis (Guha, 1989) †
14. Species Biflustra clathrata (Philippi, 1844) †
15. Species Biflustra conjunctiva (Zhang & Liu, 1995)
16. Species Biflustra delta Brown, 1958 †
17. Species Biflustra denticulata (Busk, 1856)
18. Species Biflustra eriophoroidea (Liu, 1992)
19. Species Biflustra falsitenuis (Liu, 1992)
20. Species Biflustra falunica Buge, 1969 †
21. Species Biflustra grandicella (Canu & Bassler, 1929)
22. Species Biflustra holocenica Vieira, Spotorno-Oliveira & Tâmega, 2019 †
23. Species Biflustra hugliensis (Robertson, 1921)
24. Species Biflustra irregulata (Liu, 1991)
25. Species Biflustra kralicensis Prochazka, 1894 †
26. Species Biflustra lamellosa (Canu & Bassler, 1929)
27. Species Biflustra lamellosa (Canu & Bassler, 1920) †
28. Species Biflustra limosa (Waters, 1909)
29. Species Biflustra limosoidea (Liu, 1991)
30. Species Biflustra lingdingensis (Liu & Li, 1987)
31. Species Biflustra marcusi Vieira, Almeida & Winston, 2016
32. Species Biflustra mathuri Chiplonkar, 1939 †
33. Species Biflustra mitiensis Guha & Gopikrishna, 2005 †
34. Species Biflustra monilifera (Canu & Bassler, 1919) †
35. Species Biflustra nana (von Hagenow, 1851) †
36. Species Biflustra oblongula (Ulrich & Bassler, 1904) †
37. Species Biflustra okadai Almeida, Souza & Vieira, 2017
38. Species Biflustra osnabrugensis Reuss, 1864 †
39. Species Biflustra papillata Stoliczka, 1865 †
40. Species Biflustra paragrandicella (Liu in Liu, Yin & Ma, 2001)
41. Species Biflustra parasavartii (Liu, 1999)
42. Species Biflustra paulensis (Marcus, 1937)
43. Species Biflustra perambulata Louis & Menon, 2009
44. Species Biflustra perfragilis MacGillivray, 1881
45. Species Biflustra puelcha (d'Orbigny, 1842)
46. Species Biflustra pura (Hincks, 1880)
47. Species Biflustra quadrata Canu & Bassler, 1929
48. Species Biflustra quadrilatera (Canu & Bassler, 1935) †
49. Species Biflustra ramosa (d'Orbigny, 1852)
50. Species Biflustra rectangularia (Canu & Bassler, 1923) †
51. Species Biflustra regularis d'Orbigny, 1852 †
52. Species Biflustra regularis (Maplestone, 1901) †
53. Species Biflustra regularis (Canu & Bassler, 1935) †
54. Species Biflustra rynchota Waters, 1878 †
55. Species Biflustra savartii (Audouin, 1826)
56. Species Biflustra similis (Liu, 1992)
57. Species Biflustra sphinx Vieira, Almeida & Winston, 2016
58. Species Biflustra tenuis (Desor, 1848)
59. Species Biflustra teres (Novak, 1877) †
60. Species Biflustra texturata (Reuss, 1848) †
61. Species Biflustra tuberosa (Canu, 1908) †
62. Species Biflustra typica (Canu & Bassler, 1923) †
63. Species Biflustra virgata (Canu & Bassler, 1929)
64. Species Biflustra aciculata MacGillivray, 1891 accepted as Conopeum aciculatum (MacGillivray, 1891) (Basionym)
65. Species Biflustra aculeata d'Orbigny, 1852 accepted as Membranipora aculeata (d'Orbigny, 1852) (Basionym)
66. Species Biflustra armata Haswell, 1880 accepted as Adenifera armata (Haswell, 1881) (Basionym)
67. Species Biflustra crassa Haswell, 1880 accepted as Steginoporella crassa (Haswell, 1881) (Basionym)
68. Species Biflustra crenulata (Okada, 1923) accepted as Biflustra okadai Almeida, Souza & Vieira, 2017 (Homonym)
69. Species Biflustra delicatula Busk, 1859 accepted as Acanthodesia savartii (Audouin, 1826) accepted as Biflustra savartii (Audouin, 1826) (Subjective synonym)
70. Species Biflustra fragilis MacGillivray, 1869 accepted as Biflustra perfragilis MacGillivray, 1881 (Homonym of Biflustra fragilis d'Orbigny 1852)
71. Species Biflustra jugalis MacGillivray, 1890 accepted as Labioporella bimamillata (MacGillivray, 1885) (Subjective synonym)
72. Species Biflustra laboriosa Tilbrook, 2006 accepted as Tarsocryptus laboriosus (Tilbrook, 2006)
73. Species Biflustra radula Marsson, 1887 accepted as Radulopora radula (Marsson, 1887) †
74. Species Biflustra reticulata Tilbrook, Hayward & Gordon, 2001 accepted as Biflustra laboriosa Tilbrook, 2006 accepted as Tarsocryptus laboriosus (Tilbrook, 2006) (Junior homonym of Biflustra reticulata d'Orbigny, 1852)
75. Species Biflustra sericea MacGillivray, 1890 accepted as Ellisina sericea (MacGillivray, 1890) (Basionym)
76. Species Biflustra uncinata MacGillivray, 1890 accepted as Biflustra pura (Hincks, 1880) (Subjective synonym)
77. Species Biflustra stammeri (Borg, 1931) (uncertain > taxon inquirendum)

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