1. Species Orthalicus bensoni (Reeve, 1849)
2. Species Orthalicus bifulguratus (Reeve, 1849)
3. Species Orthalicus boucardi L. Pfeiffer, 1860
4. Species Orthalicus capax (Pilsbry, 1930)
5. Species Orthalicus decolor Strebel, 1882
6. Species Orthalicus delphinus (Strebel, 1909)
7. Species Orthalicus elegans Rolle, 1895
8. Species Orthalicus ferussaci E. von Martens, 1863
9. Species Orthalicus floridensis Pilsbry, 1891
10. Species Orthalicus hackeri (Strebel, 1909)
11. Species Orthalicus leucochilus Crosse & P. Fischer, 1869
12. Species Orthalicus linteus (Conrad, 1871) †
13. Species Orthalicus livens Shuttleworth, 1856
14. Species Orthalicus lividus E. von Martens, 1863
15. Species Orthalicus longus L. Pfeiffer, 1856
16. Species Orthalicus maclurae E. von Martens, 1893
17. Species Orthalicus maculiferus (Strebel, 1909)
18. Species Orthalicus mars L. Pfeiffer, 1861
19. Species Orthalicus melanocheilus (Valenciennes, 1827)
20. Species Orthalicus muelleri (Strebel, 1909)
21. Species Orthalicus nobilis Rolle, 1895
22. Species Orthalicus pallidus (Strebel, 1909)
23. Species Orthalicus phlogerus (A. d'Orbigny, 1835)
24. Species Orthalicus ponderosus Strebel, 1882
25. Species Orthalicus princeps (Broderip, 1833)
26. Species Orthalicus prototypus Pilsbry, 1899
27. Species Orthalicus pseudolongus (Strebel, 1909)
28. Species Orthalicus pulchellus (Spix, 1827)
29. Species Orthalicus quagga (Strebel, 1909)
30. Species Orthalicus reses (Say, 1830)
31. Species Orthalicus richardsoni (Strebel, 1909)
32. Species Orthalicus sphinx (Strebel, 1909)
33. Species Orthalicus tepicensis (Strebel, 1909)
34. Species Orthalicus torrei (T. L. McGinty, 1939)
35. Species Orthalicus uhdeanus E. von Martens, 1893
36. Species Orthalicus undatus (Bruguière, 1789)
37. Species Orthalicus varius E. von Martens, 1873
38. Species Orthalicus zebra (O. F. Müller, 1774)
39. Species Orthalicus zonatus (Strebel, 1909)
40. Species Orthalicus zoniferus Strebel, 1882
41. Subgenus Orthalicus (Clathrortalicus) Strebel, 1909 accepted as Clathrorthalicus Strebel, 1909 (original rank)
    1. Species Orthalicus (Clathrortalicus) wallisi Strebel, 1909 accepted as Clathrorthalicus wallisi (Strebel, 1909) (basionym)
42. Subgenus Orthalicus (Laeorthalicus) Strebel, 1909 accepted as Corona Albers, 1850
    1. Species Orthalicus (Laeorthalicus) reginaeformis Strebel, 1909 accepted as Corona perversa (Swainson, 1821) (junior synonym)
43. Subgenus Orthalicus (Melaniorthalicus) Strebel, 1909 accepted as Sultana (Metorthalicus) Pilsbry, 1899 represented as Sultana Shuttleworth, 1856 (unaccepted > junior subjective synonym)
44. Subgenus Orthalicus (Porphyrobaphe) Shuttleworth, 1856 accepted as Porphyrobaphe Shuttleworth, 1856 (unaccepted subgeneric assignment)
    1. Species Orthalicus (Porphyrobaphe) buckleyi E. T. Higgins, 1872 accepted as Thaumastus buckleyi (E. T. Higgins, 1872) (original combination)
    2. Species Orthalicus (Porphyrobaphe) gloriosus (L. Pfeiffer, 1862) accepted as Sultana deburghiae (Reeve, 1859) (unaccepted > junior subjective synonym)
45. Subgenus Orthalicus (Sultana) Shuttleworth, 1856 accepted as Sultana Shuttleworth, 1856 (original rank)
46. Subgenus Orthalicus (Trachyorthalicus) Strebel, 1909 accepted as Sultana (Trachyorthalicus) Strebel, 1909 represented as Sultana Shuttleworth, 1856 (basionym)
47. Subgenus Orthalicus (Zebra) Shuttleworth, 1856 accepted as Orthalicus H. Beck, 1837 (objective junior synonym)
    1. Species Orthalicus (Zebra) loxensis K. Miller, 1879 (uncertain > taxon inquirendum, status in recent literature not researched by editor)
48. Species Orthalicus boucardiponderosus Strebel, 1882 accepted as Orthalicus boucardi L. Pfeiffer, 1860 (unaccepted > junior subjective synonym)
49. Species Orthalicus colimensis Rolle, 1895 accepted as Orthalicus elegans Rolle, 1895 (unaccepted > junior subjective synonym)
50. Species Orthalicus fraseri (L. Pfeiffer, 1858) accepted as Sultana fraseri (L. Pfeiffer, 1858) (unaccepted > superseded combination)
51. Species Orthalicus gallina-sultana (Chemnitz, 1795) accepted as Helix sultana Dillwyn, 1817 accepted as Sultana sultana (Dillwyn, 1817) (unaccepted combination)
52. Species Orthalicus gruneri (Strebel, 1909) accepted as Orthalicus zebra (O. F. Müller, 1774) (unaccepted > junior subjective synonym)
53. Species Orthalicus iodes Shuttleworth, 1856 accepted as Sultana atramentaria (L. Pfeiffer, 1855) (unaccepted > junior subjective synonym)
54. Species Orthalicus isabellinus E. von Martens, 1873 accepted as Orthalicus bensoni (Reeve, 1849) (unaccepted > junior subjective synonym)
55. Species Orthalicus lividusprinceps Strebel, 1882 accepted as Orthalicus ponderosus ponderosus Strebel, 1882 (unaccepted > junior subjective synonym)
56. Species Orthalicus macandrewi G. B. Sowerby III, 1889 accepted as Sultana (Metorthalicus) macandrewi (G. B. Sowerby III, 1889) represented as Sultana macandrewi (G. B. Sowerby III, 1889)
57. Species Orthalicus maracaibensis L. Pfeiffer, 1856 accepted as Orthalicus zebra (O. F. Müller, 1774) (unaccepted > junior subjective synonym)
58. Species Orthalicus meobambensis (L. Pfeiffer, 1855) accepted as Sultana meobambensis (L. Pfeiffer, 1855) (unaccepted > superseded combination)
59. Species Orthalicus pfeifferi Hidalgo, 1869 accepted as Corona pfeifferi (Hidalgo, 1869)
60. Species Orthalicus ponderosusboucardi Strebel, 1882 accepted as Orthalicus boucardi L. Pfeiffer, 1860 (unaccepted > junior subjective synonym)
61. Species Orthalicus powisianus (Petit de la Saussaye, 1843) accepted as Sultana powisiana (Petit de la Saussaye, 1843)
62. Species Orthalicus quaga [sic] accepted as Orthalicus quagga (Strebel, 1909) (unaccepted > misspelling - incorrect subsequent spelling)
63. Species Orthalicus quagus [sic] accepted as Orthalicus quagga (Strebel, 1909) (unaccepted > misspelling - incorrect subsequent spelling, of original species name, Zebra quagga Strebel, 1909; species ending incorrect, should be quagga)
64. Species Orthalicus reginaeformis Strebel, 1909 accepted as Corona perversa (Swainson, 1821) (junior synonym)
65. Species Orthalicus selectus (Strebel, 1909) accepted as Orthalicus undatus (Bruguière, 1789) (unaccepted > junior subjective synonym)
66. Species Orthalicus sultana (Dillwyn, 1817) accepted as Sultana sultana (Dillwyn, 1817) (unaccepted combination)
67. Species Orthalicus tricinctus E. von Martens, 1893 accepted as Orthalicus ferussaci tricinctus E. von Martens, 1893 (unaccepted > superseded combination)
68. Species Orthalicus trullisatus Shuttleworth, 1856 accepted as Sultana sultana (Dillwyn, 1817) (junior synonym)
69. Species Orthalicus zebra (O. F. Müller, 1774) sensu Strebel, 1882 accepted as Orthalicus muelleri (Strebel, 1909) (unaccepted > superseded combination)
70. Species Orthalicus zebra (O. F. Müller, 1774) sensu Binney & Bland, 1869 accepted as Orthalicus melanocheilus melanocheilus (Valenciennes, 1833) (unaccepted > junior subjective synonym)
71. Species Orthalicus fulvescens L. Pfeiffer, 1856 (uncertain > taxon inquirendum, use in recent literature currently undocumented)
72. Species Orthalicus obductus Shuttleworth, 1856 (uncertain > taxon inquirendum)

 The webpage text is licensed under a Creative Commons Attribution 4.0 License