1. Species Trichotropis angulata (Deshayes, 1861) †
2. Species Trichotropis bicarinata (G. B. Sowerby I, 1825)
3. Species Trichotropis cancellaroides (Deshayes, 1861) †
4. Species Trichotropis cancellata Hinds, 1843
5. Species Trichotropis grata (Deshayes, 1861) †
6. Species Trichotropis hanezawaensis Nomura & Zinbo, 1937 †
7. Species Trichotropis pulcherrima Melvill & Standen, 1903
8. Species Trichotropis pulchra (Deshayes, 1861) †
9. Species Trichotropis quadricarinata A. Adams, 1861
10. Species Trichotropis squamosa (Gabb, 1876) †
11. Species Trichotropis trochiformis Nomura & Hatai, 1940
12. Species Trichotropis turrita Dall, 1927
13. Subgenus Trichotropis (Ariadna) P. Fischer, 1864 accepted as Ariadnaria Habe, 1961 (unaccepted > unavailable name)
    1. Species Trichotropis (Ariadna) insignis Middendorff, 1848 accepted as Ariadnaria insignis (Middendorff, 1848) (unaccepted > superseded combination)
14. Subgenus Trichotropis (Iphinoe) H. Adams & A. Adams, 1856 accepted as Neoiphinoe T. Habe, 1978
    1. Species Trichotropis (Iphinoe) coronata Gould, 1860 accepted as Neoiphinoe coronata (A. Gould, 1860) (basionym)
    2. Species Trichotropis (Iphinoe) quadricarinata A. Adams, 1861 accepted as Trichotropis quadricarinata A. Adams, 1861 (unaccepted > superseded combination)
    3. Species Trichotropis (Iphinoe) unicarinata G. B. Sowerby I, 1834 accepted as Neoiphinoe unicarinata (G. B. Sowerby I, 1834)
15. Subgenus Trichotropis (Iphinopsis) Dall, 1924 accepted as Iphinopsis Dall, 1924 (unaccepted rank)
    1. Species Trichotropis (Iphinopsis) nuda Dall, 1927 accepted as Iphinopsis nuda (Dall, 1927) (unaccepted > superseded combination)
    2. Species Trichotropis (Iphinopsis) striata A. N. Golikov, 1985 accepted as Ciliatotropis striata (A. N. Golikov, 1985) (basionym)
    3. Species Trichotropis (Iphinopsis) turrita Dall, 1927 accepted as Trichotropis turrita Dall, 1927 (unaccepted > superseded combination)
16. Subgenus Trichotropis (Provanna) Dall, 1918 accepted as Provanna Dall, 1918 (original rank)
    1. Species Trichotropis (Provanna) lomana Dall, 1918 accepted as Provanna lomana (Dall, 1918) (unaccepted > superseded combination)
17. Species Trichotropis accrescens Tate, 1890 † accepted as Cerithioderma accrescens (Tate, 1890) † accepted as Sirius accrescens (Tate, 1890) †
18. Species Trichotropis acuminatus Jeffreys, 1867 accepted as Ariadnaria borealis (Broderip & G. B. Sowerby I, 1829) (dubious synonym)
19. Species Trichotropis acutiminata A. N. Golikov & Gulbin, 1978 accepted as Ariadnaria acutiminata (A. N. Golikov & Gulbin, 1978)
20. Species Trichotropis angulifera Tate, 1890 † accepted as Cerithioderma angulifera (Tate, 1890) † (unaccepted > superseded combination)
21. Species Trichotropis antarctica Melvill & Standen, 1912 accepted as Trichotropis bruceana Melvill & Standen, 1916 accepted as Xymenopsis buccineus (Lamarck, 1816) (Invalid: base on junior homonym of Trichotropis antarctica Thiele, 1912; Trichotropis bruceana Melvill & Standen, 1916 is a replacement name)
22. Species Trichotropis antarctica Thiele, 1912 accepted as Torellia antarctica (Thiele, 1912) (original combination)
23. Species Trichotropis apicilirata Tate, 1890 † accepted as Sirius apiciliratus (Tate, 1890) † (unaccepted > superseded combination)
24. Species Trichotropis atlantica Møller, 1842 accepted as Ariadnaria borealis (Broderip & G. B. Sowerby I, 1829) (synonym)
25. Species Trichotropis bicarinatus (G. B. Sowerby I, 1825) accepted as Trichotropis bicarinata (G. B. Sowerby I, 1825) (incorrect gender of species name)
26. Species Trichotropis blainvilleanus Petit de la Saussaye, 1851 accepted as Separatista separatista (Dillwyn, 1817)
27. Species Trichotropis borealis Broderip & G. B. Sowerby I, 1829 accepted as Ariadnaria borealis (Broderip & G. B. Sowerby I, 1829) (original combination)
28. Species Trichotropis bruceana Melvill & Standen, 1916 accepted as Xymenopsis buccineus (Lamarck, 1816)
29. Species Trichotropis cancellaria Conrad, 1858 † accepted as Paladmete cancellaria (Conrad, 1858) † (unaccepted > superseded combination)
30. Species Trichotropis capensis Thiele, 1925 accepted as Sirius capensis (Thiele, 1925) (unaccepted > superseded combination)
31. Species Trichotropis cedonulli A. Adams, 1860 accepted as Turritropis cedonulli (A. Adams, 1860) (unaccepted > superseded combination)
32. Species Trichotropis ciliata A. N. Golikov & Gulbin, 1978 accepted as Ciliatotropis ciliata (A. N. Golikov & Gulbin, 1978)
33. Species Trichotropis clathrata G. B. Sowerby II, 1874 accepted as Trichosirius inornatus (F. W. Hutton, 1873) (junior subjective synonym)
34. Species Trichotropis conica Møller, 1842 accepted as Ariadnaria conica (Møller, 1842) (original combination)
35. Species Trichotropis conicus Møller, 1842 accepted as Trichotropis conica Møller, 1842 accepted as Ariadnaria conica (Møller, 1842) (wrong grammatical agreement of epithet)
36. Species Trichotropis coronata A. Gould, 1860 accepted as Neoiphinoe coronata (A. Gould, 1860) (unaccepted > junior subjective synonym, original combination)
37. Species Trichotropis costata Tate, 1890 † accepted as Sirius costatus (Tate, 1890) † (unaccepted > superseded combination)
38. Species Trichotropis costellata Couthouy, 1838 accepted as Ariadnaria borealis (Broderip & G. B. Sowerby I, 1829) (synonym)
39. Species Trichotropis costellatus Couthouy, 1838 accepted as Ariadnaria borealis (Broderip & G. B. Sowerby I, 1829) (synonym)
40. Species Trichotropis crassicostata Melvill, 1912 accepted as Verticosta crassicostata (Melvill, 1912) (original combination)
41. Species Trichotropis dorbignyanum Petit de la Saussaye, 1851 accepted as Coralliophila erosa (Röding, 1798) (junior synonym)
42. Species Trichotropis fenestrata Tate, 1890 † accepted as Sirius fenestratus (Tate, 1890) † accepted as Cerithioderma fenestrata (Tate, 1890) † (unaccepted > superseded combination)
43. Species Trichotropis flavida Hinds, 1843 accepted as Separatista flavida (Hinds, 1843) (original combination)
44. Species Trichotropis gabrieli Pritchard & Gatliff, 1899 accepted as Separatista separatista (Dillwyn, 1817)
45. Species Trichotropis gouldii A. Adams, 1857 accepted as Alora gouldii (A. Adams, 1857) (original combination)
46. Species Trichotropis gracilenta Brazier, 1877 accepted as Separatista flavida (Hinds, 1843) (synonym)
47. Species Trichotropis herzensteini Derjugin & Gurjanova, 1926 accepted as Trichotropis borealis Broderip & G. B. Sowerby I, 1829 accepted as Ariadnaria borealis (Broderip & G. B. Sowerby I, 1829) (unaccepted > junior subjective synonym)
48. Species Trichotropis hirsutus A. N. Golikov & Gulbin, 1978 accepted as Ariadnaria hirsuta (A. N. Golikov & Gulbin, 1978) (original combination)
49. Species Trichotropis hjorti Friele, 1903 accepted as Trichotropis bicarinata (G. B. Sowerby I, 1825)
50. Species Trichotropis inermis Hinds, 1843 accepted as Ariadnaria borealis (Broderip & G. B. Sowerby I, 1829) (synonym)
51. Species Trichotropis inflata Friele, 1879 accepted as Iphinopsis inflata (Friele, 1879)
52. Species Trichotropis inornata F. W. Hutton, 1873 accepted as Trichosirius inornatus (F. W. Hutton, 1873) (superseded combination)
53. Species Trichotropis inornatus [sic] accepted as Trichotropis inornata F. W. Hutton, 1873 accepted as Trichosirius inornatus (F. W. Hutton, 1873) (incorrect gender ending)
54. Species Trichotropis insignis Middendorff, 1848 accepted as Ariadnaria insignis (Middendorff, 1848) (original combination)
55. Species Trichotropis interlineata Tate, 1890 † accepted as Sirius interlineatus (Tate, 1890) † (unaccepted > superseded combination)
56. Species Trichotropis kelseyi Dall, 1908 accepted as Iphinopsis kelseyi (Dall, 1908)
57. Species Trichotropis kroyeri R. A. Philippi, 1849 accepted as Neoiphinoe kroyeri (R. A. Philippi, 1849) (unaccepted > superseded combination)
58. Species Trichotropis kröyeri R. A. Philippi, 1849 accepted as Trichotropis kroyeri R. A. Philippi, 1849 accepted as Neoiphinoe kroyeri (R. A. Philippi, 1849) (mandatory deletion of diacritical sign)
59. Species Trichotropis lajollaensis M. A. Hanna, 1927 † accepted as Pyrgulifera lajollaensis (M. A. Hanna, 1927) † (unaccepted > superseded combination)
60. Species Trichotropis lomana Dall, 1918 accepted as Provanna lomana (Dall, 1918) (unaccepted > superseded combination)
61. Species Trichotropis migrans Dall, 1881 accepted as Verticosta migrans (Dall, 1881) (original combination)
62. Species Trichotropis nuda Dall, 1927 accepted as Iphinopsis nuda (Dall, 1927) (unaccepted > superseded combination)
63. Species Trichotropis orientalis Schepman, 1909 accepted as Akibumia orientalis (Schepman, 1909) (superseded combination)
64. Species Trichotropis pacifica (Dall, 1908) accepted as Provanna pacifica (Dall, 1908) (unaccepted > superseded combination)
65. Species Trichotropis planicostata Yokoyama, 1920 † accepted as Vermeijia planicostata (Yokoyama, 1920) † (original combination)
66. Species Trichotropis planispira E. A. Smith, 1915 accepted as Torellia planispira (E. A. Smith, 1915) (original combination)
67. Species Trichotropis quinquelirata Tate, 1890 † accepted as Sirius quinqueliratus (Tate, 1890) † (unaccepted > superseded combination)
68. Species Trichotropis saintjohnensis Verkrüzen, 1877 accepted as Ariadnaria borealis (Broderip & G. B. Sowerby I, 1829) (synonym)
69. Species Trichotropis solida Aurivillius, 1885 accepted as Admete solida (Aurivillius, 1885) (unaccepted > superseded combination)
70. Species Trichotropis sowerbiensis Lesson, 1833 accepted as Trichotropis bicarinata (G. B. Sowerby I, 1825)
71. Species Trichotropis spectabilis Dall, 1871 accepted as Trichotropis bicarinata (G. B. Sowerby I, 1825) (unaccepted > junior subjective synonym)
72. Species Trichotropis subquadrata Tate, 1890 † accepted as Sirius subquadratus (Tate, 1890) † (unaccepted > superseded combination)
73. Species Trichotropis tabulata Tate, 1890 accepted as Cerithioderma tabulata (Tate, 1890) † (unaccepted > superseded combination)
74. Species Trichotropis tenuis E. A. Smith, 1877 accepted as Trichotropis bicarinata tenuis E. A. Smith, 1877
75. Species Trichotropis townsendi Melvill & Standen, 1901 accepted as Latticosta townsendi (Melvill & Standen, 1901) (unaccepted > superseded combination)
76. Species Trichotropis tricarinata Brazier, 1878 accepted as Separatista separatista (Dillwyn, 1817)
77. Species Trichotropis triplicata Tate, 1890 † accepted as Sirius triplicatus (Tate, 1890) † (unaccepted > superseded combination)
78. Species Trichotropis unicarinata G. B. Sowerby I, 1834 accepted as Neoiphinoe unicarinata (G. B. Sowerby I, 1834)
79. Species Trichotropis zuluensis Barnard, 1963 accepted as Turritropis zuluensis (Barnard, 1963) (unaccepted > superseded combination)
80. Species Trichotropis alienensis Effinger, 1938 † (uncertain > unassessed)
81. Species Trichotropis ellipsoidea Gould, 1860 (uncertain > taxon inquirendum)
82. Species Trichotropis patagonica Cossmann, 1899 † (uncertain > unassessed)
83. Species Trichotropis pusillus Gould, 1850 (uncertain > taxon inquirendum)

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