1. Species Trochus (Margarita) aeglees R. B. Watson, 1879 accepted as Calliotropis aeglees (R. B. Watson, 1879) (unaccepted > superseded combination)
2. Species Trochus (Margarita) brychius R. B. Watson, 1879 accepted as Solariella brychia (R. B. Watson, 1879) (unaccepted > superseded combination)
3. Species Trochus (Margarita) charopus R. B. Watson, 1879 accepted as Solariella charopa (R. B. Watson, 1879) (unaccepted > superseded combination)
4. Species Trochus (Margarita) clavatus R. B. Watson, 1879 accepted as Echinogurges clavatus (R. B. Watson, 1879) (unaccepted > superseded combination)
5. Species Trochus (Margarita) dnopherus R. B. Watson, 1879 accepted as Margarites dnopherus (R. B. Watson, 1879) (unaccepted > superseded combination)
6. Species Trochus (Margarita) eudeli Deshayes, 1863 accepted as Ethminolia eudeli (Deshayes, 1863) (basionym)
7. Species Trochus (Margarita) hillii Forbes, 1852 accepted as Margarella expansa (G. B. Sowerby I, 1838)
8. Species Trochus (Margarita) infundibulum R. B. Watson, 1879 accepted as Calliotropis infundibulum (R. B. Watson, 1879) (superseded combination)
9. Species Trochus (Margarita) lima R. B. Watson, 1879 accepted as Solariella rhina (R. B. Watson, 1886) (unaccepted > junior subjective synonym)
10. Species Trochus (Margarita) minima G. Seguenza, 1876 accepted as Mikro minimus (G. Seguenza, 1876) (unaccepted > superseded combination)
11. Species Trochus (Margarita) nudiusculus E. von Martens, 1881 accepted as Calliostoma nudiusculum (E. von Martens, 1881)
12. Species Trochus (Margarita) pompholugotus R. B. Watson, 1879 accepted as Solariella pompholugota (R. B. Watson, 1879) (unaccepted > superseded combination)
13. Species Trochus (Margarita) purpuratus Forbes, 1852 accepted as Photinastoma taeniatum (G. B. Sowerby I, 1825)
14. Species Trochus (Margarita) rhina R. B. Watson, 1886 accepted as Solariella rhina (R. B. Watson, 1886) (unaccepted > superseded combination)
15. Species Trochus (Margarita) rhysus R. B. Watson, 1879 accepted as Calliotropis rhysa (R. B. Watson, 1879) (unaccepted > superseded combination)
16. Species Trochus (Margarita) scintillans R. B. Watson, 1879 accepted as Margarites scintillans (R. B. Watson, 1879) (unaccepted > superseded combination)
17. Species Trochus (Margarita) striatula Garrett, 1857 accepted as Trochus (Margarita) striatulus Garrett, 1857 accepted as Calliotrochus marmoreus (Pease, 1861) (unaccepted > incorrect grammatical agreement of specific epithet)
18. Species Trochus (Margarita) striatulus Garrett, 1857 accepted as Calliotrochus marmoreus (Pease, 1861) (unaccepted > junior homonym, invalid: junior homonym of Trochus striatulus Deshayes, 1842)
19. Species Trochus (Margarita) vancouverensis E. A. Smith, 1880 accepted as Solariella vancouverensis (E. A. Smith, 1880) (basionym)
20. Species Trochus (Margarita) azorensis R. B. Watson, 1879 (uncertain > taxon inquirendum)
21. Species Trochus (Margarita) beecheyanus E. von Martens, 1872 (uncertain > unassessed)
22. Species Trochus (Margarita) coulsoni H. K. Jordan, 1895 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
23. Species Trochus (Margarita) pachychiles R. B. Watson, 1879 (uncertain > taxon inquirendum)
24. Species Trochus (Margarita) streptophorus R. B. Watson, 1886 (uncertain > taxon inquirendum)

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