1. Species Trochus (Monodonta) atropurpureus A. Gould, 1849 accepted as Clanculus samoensis (Hombron & Jacquinot, 1848) (junior subjective synonym)
2. Species Trochus (Monodonta) aureotinctus Forbes, 1852 accepted as Tegula aureotincta (Forbes, 1852) (basionym)
3. Species Trochus (Monodonta) colubrinus A. Gould, 1849 accepted as Phorcus sauciatus (F. C. L. Koch, 1845) (junior subjective synonym)
4. Species Trochus (Monodonta) dunkeri F. C. L. Koch, 1843 accepted as Clanculus dunkeri (F. C. L. Koch, 1843) (unaccepted > superseded combination)
5. Species Trochus (Monodonta) gallina Forbes, 1852 accepted as Tegula gallina (Forbes, 1852) (basionym)
6. Species Trochus (Monodonta) gemmatus A. Gould, 1845 accepted as Herpetopoma gemmatum (A. Gould, 1845) (superseded combination)
7. Species Trochus (Monodonta) instrictus A. Gould, 1849 accepted as Herpetopoma instrictum (A. Gould, 1849) (unaccepted > superseded combination)
8. Species Trochus (Monodonta) millelineatus Bonnet, 1864 accepted as Chlorodiloma millelineata (Bonnet, 1864) (unaccepted > superseded combination)
9. Species Trochus (Monodonta) philippii F. C. L. Koch, 1843 accepted as Clanculus philippii (F. C. L. Koch, 1843) (unaccepted > superseded combination)
10. Species Trochus (Monodonta) pyriformis A. Gould, 1853 accepted as Tegula gallina (Forbes, 1852) (junior subjective synonym)
11. Species Trochus (Monodonta) rotellinus A. Gould, 1849 accepted as Camitia rotellina (A. Gould, 1849) (superseded combination)
12. Species Trochus (Monodonta) sitis Récluz, 1843 accepted as Phorcus mutabilis (R. A. Philippi, 1851) (synonym)
13. Species Trochus (Monodonta) vermiculatus P. Fischer, 1874 accepted as Monodonta vermiculata (P. Fischer, 1874) (basionym)
14. Species Trochus (Monodonta) zeus P. Fischer, 1874 accepted as Austrocochlea zeus (P. Fischer, 1874) (basionym)

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