1. Genus Demoulia Gray, 1838
2. Genus Nassarius Duméril, 1805
3. Genus Naytia H. Adams & A. Adams, 1853
4. Genus Tritia Risso, 1826
5. Genus Amycla H. Adams & A. Adams, 1853 accepted as Tritia Risso, 1826
6. Genus Amyclina Iredale, 1918 accepted as Tritia Risso, 1826 (unnecessary replacement name for Amycla H. & A. Adams, 1853)
7. Genus Arcularia Link, 1807 accepted as Nassarius Duméril, 1805
8. Genus Cyclonassa Swainson, 1840 accepted as Cyclope Risso, 1826 accepted as Tritia Risso, 1826 (Objective synonym of Cyclope)
9. Genus Cyclope Risso, 1826 accepted as Tritia Risso, 1826
10. Genus Cyclops Montfort, 1810 accepted as Cyclope Risso, 1826 accepted as Tritia Risso, 1826 (Invalid: junior homonym of Cyclops O.F. Müller, 1785 [Crustacea]; Cencus Gistel, 1848 is a replacement name)
11. Genus Eione Risso, 1826 accepted as Nassarius (Plicarcularia) Thiele, 1929 accepted as Nassarius Duméril, 1805 (Invalid: junior homonym of Eione Rafinesque, 1814)
12. Genus Hima [sic] accepted as Tritia Risso, 1826 (incorrect subsequent spelling of Hinia Leach, 1847)
13. Genus Hinia Leach, 1847 accepted as Tritia Risso, 1826 (unaccepted > junior subjective synonym)
14. Genus Nana Schumacher, 1817 accepted as Cyclope Risso, 1826 accepted as Tritia Risso, 1826 (Invalid: Placed on the Official Index by ICZN Opinion 793)
15. Genus Nanina Risso, 1826 accepted as Cyclope Risso, 1826 accepted as Tritia Risso, 1826
16. Genus Nassa Lamarck, 1799 accepted as Tritia Risso, 1826 (Invalid: junior homonym of Nassa Röding, 1798; see Nomenclature note below)
17. Genus Naytiopsis Thiele, 1929 accepted as Tritia Risso, 1826
18. Genus Neritula H. Adams & A. Adams, 1853 accepted as Cyclope Risso, 1826 accepted as Tritia Risso, 1826 (Objective synonym of Cyclope)
19. Genus Panormella O. G. Costa, 1840 accepted as Cyclope Risso, 1826 accepted as Tritia Risso, 1826
20. Genus Sphaeronassa Locard, 1886 accepted as Tritia Risso, 1826 (unaccepted > junior subjective synonym)

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