1. Subgenus Strophia (Eostrophia) Dall, 1890 † accepted as Cerion (Eostrophia) Dall, 1890 † represented as Cerion Röding, 1798
   1. Species Strophia (Eostrophia) anodonta Dall, 1890 † accepted as Cerion anodonta (Dall, 1890) † (unaccepted > superseded combination)
2. Subgenus Strophia (Longidens) Maynard, 1896 accepted as Cerion (Strophiops) Dall, 1894 represented as Cerion Röding, 1798
3. Subgenus Strophia (Multostrophia) Maynard, 1894 accepted as Cerion (Multostrophia) Maynard, 1894 represented as Cerion Röding, 1798
4. Subgenus Strophia (Pinguitia) Maynard, 1896 accepted as Cerion (Strophiops) Dall, 1894 represented as Cerion Röding, 1798
5. Subgenus Strophia (Pupa) Lamarck, 1801 accepted as Strophia Albers, 1850 accepted as Cerion (Strophiops) Dall, 1894 represented as Cerion Röding, 1798 (unaccepted combination)
   1. Species Strophia (Pupa) uva (Linnaeus, 1758) accepted as Cerion uva (Linnaeus, 1758) (unaccepted combination)
6. Subgenus Strophia (Seniculus) Maynard, 1896 accepted as Cerion (Strophiops) Dall, 1894 represented as Cerion Röding, 1798
7. Subgenus Strophia (Tridentistrophia) Maynard, 1896 accepted as Cerion (Diacerion) Dall, 1894 represented as Cerion Röding, 1798 (junior synonym)
8. Species Strophia acuta Maynard, 1889 accepted as Cerion pannosum (Maynard, 1889) (junior synonym)
9. Species Strophia agrestina Maynard, 1894 accepted as Cerion gubernatorium (Crosse, 1869) (original combination)
10. Species Strophia alba Maynard, 1889 accepted as Cerion lentiginosum (Maynard, 1889) (junior synonym)
11. Species Strophia alba Maynard, 1899 accepted as Strophia alba Maynard, 1889 accepted as Cerion lentiginosum (Maynard, 1889) (incorrect date of description)
12. Species Strophia albea Maynard, 1894 accepted as Cerion glans (Küster, 1844) (original combination)
13. Species Strophia anodonta Dall, 1890 † accepted as Cerion anodonta (Dall, 1890) † (unaccepted > superseded combination)
14. Species Strophia bimarginata Maynard, 1894 accepted as Cerion bimarginatum (Maynard, 1894) accepted as Cerion griseum (Maynard, 1894) (original combination)
15. Species Strophia brownei Maynard, 1889 accepted as Cerion lentiginosum (Maynard, 1889) (junior synonym)
16. Species Strophia calcarea (L. Pfeiffer, 1847) accepted as Cerion calcareum (L. Pfeiffer, 1847) (unaccepted combination)
17. Species Strophia carlotta Maynard, 1894 accepted as Cerion glans (Küster, 1844) (junior synonym)
18. Species Strophia cinerea Maynard, 1894 accepted as Cerion glans (Küster, 1844) (junior synonym)
19. Species Strophia copia Maynard, 1889 accepted as Cerion copia (Maynard, 1889) (original combination)
20. Species Strophia copiosa Pilsbry, 1901 accepted as Cerion copia (Maynard, 1889) (unnecessary replacement name for Strophia copia Maynard, 1889)
21. Species Strophia coryi Maynard, 1894 accepted as Cerion glans (Küster, 1844) (junior synonym)
22. Species Strophia curtissii Maynard, 1894 accepted as Cerion curtissii (Maynard, 1894) (junior synonym)
23. Species Strophia cylindrica Maynard, 1896 accepted as Cerion rubicundum (Menke, 1829) (junior synonym)
24. Species Strophia dalli Maynard, 1889 accepted as Cerion dalli (Maynard, 1889) (original combination)
25. Species Strophia eburnia Maynard, 1894 accepted as Cerion eburnium (Maynard, 1894) (original combination)
26. Species Strophia elongata Maynard, 1894 accepted as Cerion elongatum (Maynard, 1894) accepted as Cerion eburnium (Maynard, 1894) (original combination)
27. Species Strophia eurystoma Maynard, 1896 accepted as Cerion mumia chrysalis A. Férussac, 1832 (original combination)
28. Species Strophia eximea Maynard, 1894 accepted as Cerion eximeum (Maynard, 1894) (original combination)
29. Species Strophia fastigata Maynard, 1896 accepted as Cerion chrysalis fastigatum (Maynard, 1896) accepted as Cerion mumia fastigatum (Maynard, 1896) (original combination)
30. Species Strophia faxoni Maynard, 1896 accepted as Cerion faxoni (Maynard, 1896) accepted as Cerion johnsoni Pilsbry & Vanatta, 1895 (original combination)
31. Species Strophia ferruginea Maynard, 1896 accepted as Cerion striatellum (Guerin-Méneville, 1829)
32. Species Strophia festiva Maynard, 1889 accepted as Cerion pannosum (Maynard, 1889) (junior synonym)
33. Species Strophia fusca Maynard, 1889 accepted as Cerion pannosum (Maynard, 1889) (junior synonym)
34. Species Strophia fuscata [sic] accepted as Cerion incanum (Leidy, 1851) (misspelling of original species name, Pupa fasciata W. G. Binney, 1859)
35. Species Strophia glaber Maynard, 1889 accepted as Cerion pannosum (Maynard, 1889) (junior synonym)
36. Species Strophia glans (Küster, 1844) accepted as Cerion glans (Küster, 1844) (unaccepted combination)
37. Species Strophia grayi Maynard, 1894 accepted as Cerion grayi (Maynard, 1894) (original combination)
38. Species Strophia grisea Maynard, 1894 accepted as Cerion griseum (Maynard, 1894) (unaccepted combination)
39. Species Strophia ianthina Maynard, 1889 accepted as Cerion rubicundum (Menke, 1829) (original combination)
40. Species Strophia incana (Leidy, 1851) accepted as Cerion incanum (Leidy, 1851) (unaccepted combination)
41. Species Strophia inflata Maynard, 1889 accepted as Cerion marmoratum (L. Pfeiffer, 1847) (junior synonym)
42. Species Strophia intermedia Maynard, 1889 accepted as Cerion pannosum (Maynard, 1889) (junior synonym)
43. Species Strophia iostoma (L. Pfeiffer, 1854) accepted as Cerion iostoma (L. Pfeiffer, 1854) (unaccepted combination)
44. Species Strophia lentiginosa Maynard, 1889 accepted as Cerion lentiginosum (Maynard, 1889) (original combination)
45. Species Strophia levigata Maynard, 1889 accepted as Cerion pannosum (Maynard, 1889) (junior synonym)
46. Species Strophia lineota Maynard, 1889 accepted as Cerion pannosum (Maynard, 1889) (junior synonym)
47. Species Strophia marmorata (L. Pfeiffer, 1847) accepted as Cerion marmoratum (L. Pfeiffer, 1847) (unaccepted combination)
48. Species Strophia media Maynard, 1896 accepted as Cerion mumia mumia Bruguière, 1792 (original combination)
49. Species Strophia nana Maynard, 1889 accepted as Cerion nana (Maynard, 1889) (junior synonym)
50. Species Strophia neglecta Maynard, 1894 accepted as Cerion glans (Küster, 1844) (junior synonym)
51. Species Strophia nitela Maynard, 1889 accepted as Cerion pannosum (Maynard, 1889) (junior synonym)
52. Species Strophia nuda Maynard, 1889 accepted as Cerion nudum (Maynard, 1889) (original combination)
53. Species Strophia obscura Maynard, 1896 accepted as Cerion sagraianum sagraianum (L. Pfeiffer, 1847)
54. Species Strophia orbicularia Maynard, 1889 accepted as Cerion rubicundum (Menke, 1829) (junior synonym)
55. Species Strophia palida Maynard, 1889 accepted as Cerion rubicundum (Menke, 1829) (original combination)
56. Species Strophia pannosa Maynard, 1889 accepted as Cerion pannosum (Maynard, 1889) (original combination)
57. Species Strophia parva Maynard, 1889 accepted as Cerion parvum (Maynard, 1889) accepted as Cerion pannosum (Maynard, 1889) (junior synonym)
58. Species Strophia perplexa Maynard, 1889 accepted as Cerion pannosum (Maynard, 1889) (junior synonym)
59. Species Strophia picta Maynard, 1889 accepted as Cerion pannosum (Maynard, 1889) (junior synonym)
60. Species Strophia pilsbryi Maynard, 1894 accepted as Cerion pilsbryi (Maynard, 1894) accepted as Cerion griseum (Maynard, 1894) (original combination)
61. Species Strophia proteus L. Pfeiffer & Gundlach, 1860 accepted as Cerion dimidiatum (L. Pfeiffer, 1847)
62. Species Strophia regula Maynard, 1894 accepted as Cerion regulum (Maynard, 1894) (original combination)
63. Species Strophia restricta Maynard, 1894 accepted as Cerion restrictum (Maynard, 1894) (original combination)
64. Species Strophia ritchiei Maynard, 1894 accepted as Cerion ritchiei (Maynard, 1894)
65. Species Strophia scripta Maynard, 1896 accepted as Cerion mumia chrysalis A. Férussac, 1832 (original combination)
66. Species Strophia thorndikei Maynard, 1894 accepted as Cerion thorndikei (Maynard, 1894) (original combination)
67. Species Strophia viola Maynard, 1889 accepted as Cerion rubicundum viola (Maynard, 1889) (original combination)

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