1. Subgenus Trochatella (Hapata) J. E. Gray, 1856 accepted as Viana H. Adams & A. Adams, 1856 (unaccepted > junior subjective synonym)
2. Subgenus Trochatella (Viana) H. Adams & A. Adams, 1856 accepted as Viana H. Adams & A. Adams, 1856
3. Species Trochatella blandii Weinland, 1880 accepted as Eutrochatella blandii (Weinland, 1880)
4. Species Trochatella brownia Weinland, 1880 accepted as Eutrochatella browniana (Weinland, 1880)
5. Species Trochatella capillacea L. Pfeiffer, 1857 accepted as Troschelviana hians (Poey, 1851) (unaccepted > junior subjective synonym)
6. Species Trochatella chittyana L. Pfeiffer, 1858 accepted as Eutrochatella chittyana (L. Pfeiffer, 1858) (original combination)
7. Species Trochatella chrysostoma L. Pfeiffer, 1850 accepted as Ustronia sloanii sloanii (A. d'Orbigny, 1842) (unaccepted > junior subjective synonym)
8. Species Trochatella constellata (Morelet, 1847) accepted as Priotrochatella constellata (Morelet, 1847) (unaccepted > superseded combination)
9. Species Trochatella egregria (L. Pfeiffer, 1855) accepted as Palaeohelicina egregia (L. Pfeiffer, 1855)
10. Species Trochatella excavata L. Pfeiffer, 1855 accepted as Eutrochatella opima (Shuttleworth, 1852) (unaccepted > junior subjective synonym)
11. Species Trochatella gouldiana L. Pfeiffer, 1851 accepted as Ustronia sloanii sloanii (A. d'Orbigny, 1842) (unaccepted > junior subjective synonym)
12. Species Trochatella josephinae (C. B. Adams, 1849) accepted as Priotrochatella josephinae (C. B. Adams, 1849) (unaccepted > superseded combination)
13. Species Trochatella methfesseli L. Pfeiffer, 1862 accepted as Troschelviana methfesseli (L. Pfeiffer, 1862) (unaccepted > superseded combination)
14. Species Trochatella mouhoti L. Pfeiffer, 1863 accepted as Geotrochatella mouhoti (L. Pfeiffer, 1863) (original combination)
15. Species Trochatella nobilis C. B. Adams, 1851 accepted as Eutrochatella nobilis (C. B. Adams, 1851) (unaccepted > superseded combination)
16. Species Trochatella nogieri Dautzenberg & d'Hamonville, 1888 accepted as Geotrochatella nogieri (Dautzenberg & d'Hamonville, 1888) (unaccepted > superseded combination, original combination)
17. Species Trochatella opima Shuttleworth, 1852 accepted as Eutrochatella opima (Shuttleworth, 1852)
18. Species Trochatella petrosa L. Pfeiffer, 1857 accepted as Troschelviana hians (Poey, 1851) (unaccepted > junior subjective synonym)
19. Species Trochatella pulchella (J. E. Gray, 1824) accepted as Eutrochatella pulchella (J. E. Gray, 1824) (unaccepted > superseded combination)
20. Species Trochatella pulchra C. B. Adams, 1851 accepted as Priotrochatella pulchra (C. B. Adams, 1851) (original combination)
21. Species Trochatella regina (Morelet, 1849) accepted as Viana regina (Morelet, 1849) (unaccepted > superseded combination)
22. Species Trochatella rubicunda L. Pfeiffer, 1857 accepted as Troschelviana hians (Poey, 1851) (unaccepted > junior subjective synonym)
23. Species Trochatella stellata (Poey, 1851) accepted as Priotrochatella stellata (Poey, 1851) (unaccepted > superseded combination)
24. Species Trochatella subunguiculata (Poey, 1858) accepted as Viana subunguiculata (Poey, 1858)

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