1. Species Bucania cornu Koken, 1897 †
2. Species Bucania crassa Ulrich, 1897 † (accepted > unreplaced junior homonym, junior homonym of Bucania crassa Koken, 1896)
3. Species Bucania czekanowskii (F. Schmidt, 1858) †
4. Species Bucania emmonsi Ulrich & Scofield, 1897 †
5. Species Bucania erratica Frisk & Ebbestad, 2007 †
6. Species Bucania frankfortensis Ulrich, 1897 †
7. Species Bucania gracillima Koken, 1896 †
8. Species Bucania groenlandica Peel, 1991 †
9. Species Bucania lindsleyi (Safford, 1869) †
10. Species Bucania micronema Ulrich, 1897 †
11. Species Bucania nashvillensis Ulrich, 1897 †
12. Species Bucania peracuta Ulrich, 1897 †
13. Species Bucania pojetai Wahlman, 1992 †
14. Species Bucania radiata (Eichwald, 1856) †
15. Species Bucania reticulata (Koken & Perner, 1925) †
16. Species Bucania robusta (Whiteaves, 1904) †
17. Species Bucania rugatina Ulrich, 1897 †
18. Species Bucania singularis Ulrich, 1897 †
19. Species Bucania squamosa (Lindström, 1884) †
20. Species Bucania stephnae Peel, 1991 †
21. Species Bucania sulcatina (Emmons, 1842) †
22. Species Bucania witryana (de Koninck, 1843) †
23. Subgenus Bucania (Tremanolus) [sic] † accepted as Tremanotus J. Hall, 1865 † (unaccepted > misspelling - incorrect subsequent spelling)
    1. Species Bucania (Tremanolus) buelli Whitfield, 1878 † accepted as Salpingostoma buelli (Whitfield, 1878) † (unaccepted > superseded combination)
24. Species Bucania angustata J. Hall, 1852 † accepted as Tremanotus angustatus (J. Hall, 1852) † (unaccepted > superseded combination)
25. Species Bucania bidorsata J. Hall, 1847 † accepted as Tetranota bidorsata (J. Hall, 1847) † (unaccepted > superseded combination)
26. Species Bucania buelli Whitfield, 1878 † accepted as Salpingostoma buelli (Whitfield, 1878) † (unaccepted > superseded combination)
27. Species Bucania comata Barrande, 1903 † accepted as Bucanopsis comata (Barrande, 1903) † (unaccepted > superseded combination)
28. Species Bucania contorta (Eichwald, 1856) † accepted as Megalomphala contorta (Eichwald, 1856) † (unaccepted > superseded combination)
29. Species Bucania crassa Koken, 1896 † accepted as Megalomphala crassa (Koken, 1896) † (unaccepted > superseded combination)
30. Species Bucania crassiuscula Koken, 1897 † accepted as Megalomphala crassiuscula (Koken, 1897) † (unaccepted > superseded combination)
31. Species Bucania cycloides Koken, 1896 † accepted as Megalomphala cycloides (Koken, 1896) † (unaccepted > superseded combination)
32. Species Bucania cyrtoglypha Harrington, 1938 † accepted as Peelerophon oehlerti (Bergeron, 1889) † (unaccepted > junior subjective synonym)
33. Species Bucania delicatula Perner, 1903 † accepted as Grandostoma bohemicum (Perner, 1903) † (unaccepted > junior subjective synonym)
34. Species Bucania exigua Foerste, 1887 † accepted as Sphenosphaera fiscellostriata (Foerste, 1887) † (unaccepted > junior subjective synonym)
35. Species Bucania exilis de Koninck, 1883 † accepted as Retispira exilis (de Koninck, 1883) † (unaccepted > superseded combination)
36. Species Bucania latissima Koken, 1897 † accepted as Megalomphala latissima (Koken, 1897) † (unaccepted > superseded combination)
37. Species Bucania macera Koken, 1925 † accepted as Salpingostoma macera (Koken, 1925) † (unaccepted > superseded combination)
38. Species Bucania makatikhae Yakovlev, 1899 † accepted as Retispira makatikhae (Yakovlev, 1899) † (basionym)
39. Species Bucania mudanensis Kobayashi, 1937 † accepted as Peelerophon oehlerti (Bergeron, 1889) † (unaccepted > junior subjective synonym)
40. Species Bucania nana Ulrich, 1897 † accepted as Sphenosphaera nana (Ulrich, 1897) † (unaccepted > superseded combination)
41. Species Bucania nodulosa Mansuy, 1914 † accepted as Retispira lyelli (Gemmellaro, 1889) † (a junior synonym)
42. Species Bucania planorbiformis Koken, 1897 † accepted as Megalomphala planorbiformis (Koken, 1897) † (unaccepted > superseded combination)
43. Species Bucania punctifrons (Emmons, 1842) † accepted as Undulabucania punctifrons (Emmons, 1842) † (unaccepted > superseded combination)
44. Species Bucania salpinx Koken, 1897 † accepted as Megalomphala salpinx (Koken, 1897) † (unaccepted > superseded combination)
45. Species Bucania tripla Whitfield, 1889 † accepted as Bucanella tripla (Whitfield, 1889) † (unaccepted > superseded combination)
46. Species Bucania aotii (Kobayashi, 1958) † (uncertain > unassessed)
47. Species Bucania batchtownensis Bradley, 1930 † (uncertain > unassessed)
48. Species Bucania bellapuncta J. Hall, 1852 † (uncertain > unassessed)
49. Species Bucania champlainensis Whitfield, 1897 † (uncertain > unassessed)
50. Species Bucania devonica J. Hall & Whitfield, 1872 † (uncertain > unassessed)
51. Species Bucania dorsoplana Knod, 1908 † (uncertain > unassessed)
52. Species Bucania elliptica Ulrich & Scofield, 1897 † (uncertain > unassessed)
53. Species Bucania ellisensis Twenhofel, 1928 † (uncertain > unassessed)
54. Species Bucania emuhaensis X.-D. Qiao, 1983 † (uncertain > unassessed)
55. Species Bucania evoluta Reed, 1920 † (uncertain > unassessed)
56. Species Bucania gravida Reed, 1920 † (uncertain > unassessed)
57. Species Bucania halli Ulrich & Scofield, 1897 † (uncertain > unassessed)
58. Species Bucania katoi Kobayashi, 1930 † (uncertain > unassessed)
59. Species Bucania minganensis Twenhofel, 1938 † (uncertain > unassessed)
60. Species Bucania minnesotensis Ulrich & Scofield, 1897 † (uncertain > unassessed)
61. Species Bucania oelandica Koken, 1896 † (uncertain > unassessed)
62. Species Bucania playfairi Reed, 1920 † (uncertain > unassessed)
63. Species Bucania simulatrix Ulrich, 1897 † (uncertain > unassessed)
64. Species Bucania stigmosa J. Hall, 1852 † (uncertain > unassessed)
65. Species Bucania subangulata Ulrich, 1897 † (uncertain > unassessed)
66. Species Bucania sublata Ulrich & Scofield, 1897 † (uncertain > unassessed)
67. Species Bucania tsuibonensis Kobayashi, 1934 † (uncertain > unassessed)
68. Species Bucania ungava A. E. Wilson, 1938 † (uncertain > unassessed)
69. Species Bucania youyangensis H.-Z. Pan, 1978 † (uncertain)

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