1. Genus Actaeonellina Pchelintsev, 1963 †
2. Genus Acteonella A. d'Orbigny, 1842 †
3. Genus Euactaeonina Wenz, 1947 †
4. Genus Ptychostylus F. Sandberger, 1870 †
5. Genus Trochactaeon Meek, 1863 †
6. Genus Actaeonella Herrmannsen, 1846 † accepted as Acteonella A. d'Orbigny, 1842 † (unaccepted > unjustified emendation)
7. Genus Acteonnella [sic] † accepted as Acteonella A. d'Orbigny, 1842 † (unaccepted > misspelling - incorrect subsequent spelling)
8. Genus Mesotrochactaeon Hacobjan, 1972 † accepted as Trochactaeon Meek, 1863 † (unaccepted > junior subjective synonym)
9. Genus Mexicotrochactaeon Hacobjan, 1972 † accepted as Trochactaeon (Mexicotrochactaeon) Hacobjan, 1972 † represented as Trochactaeon Meek, 1863 † (unaccepted > superseded rank)
10. Genus Neocylindrites Kollmann, 1967 † accepted as Trochactaeon (Neocylindrites) Kollmann, 1967 † represented as Trochactaeon Meek, 1863 † (unaccepted > superseded rank)
11. Genus Neotrochactaeon Hacobjan, 1972 † accepted as Trochactaeon Meek, 1863 † (unaccepted > junior subjective synonym)
12. Genus Orthostoma Deshayes, 1850 † accepted as Euactaeonina Wenz, 1947 † (unaccepted > junior homonym, invalid: junior homonym of Orthostoma Ehrenberg, 1831 and several others; Euactaeonina is a replacement name)
13. Genus Palaeotrochacteon Hacobjan, 1972 † accepted as Trochactaeon (Neocylindrites) Kollmann, 1967 † represented as Trochactaeon Meek, 1863 † (unaccepted > junior subjective synonym)
14. Genus Purpuractaeon Hacobjan, 1963 † accepted as Trochactaeon Meek, 1863 † (unaccepted > junior subjective synonym)
15. Genus Sevanella Hacobjan, 1972 † accepted as Trochactaeon (Sevanella) Hacobjan, 1972 † represented as Trochactaeon Meek, 1863 † (unaccepted > superseded rank)
16. Genus Spiractaeon Meek, 1863 † accepted as Trochactaeon Meek, 1863 † (subjective synonym)
17. Genus Volvulina Stoliczka, 1866 † accepted as Acteonella A. d'Orbigny, 1842 † (unaccepted > junior subjective synonym)

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