1. Subfamily Assimineinae H. Adams & A. Adams, 1856
   1. Genus Angustassiminea T. Habe, 1943
   2. Genus Assiminea J. Fleming, 1828
   3. Genus Austropilula Thiele, 1927
   4. Genus Conassiminea H. Fukuda & Ponder, 2006
   5. Genus Cryptassiminea H. Fukuda & Ponder, 2005
   6. Genus Euassiminea Heude, 1882
   7. Genus Macrassiminea Thiele, 1927
   8. Genus Ovassiminea Thiele, 1927
   9. Genus Pseudomphala Heude, 1882
   10. Genus Sculptassiminea Thiele, 1927
   11. Genus Xenassiminea H. Fukuda, 2023
   12. Genus Assemania Dollfus, 1912 accepted as Assiminea J. Fleming, 1828 (unjustified emendation)
   13. Genus Assimania accepted as Assiminea J. Fleming, 1828 (incorrect spelling of genus name)
   14. Genus Assiminia J. Fleming, 1828 accepted as Assiminea J. Fleming, 1828 (alternative original spelling [used in the index p. 557])
2. Subfamily Ekadantinae Thiele, 1929
   1. Genus Metassiminea Thiele, 1927
   2. Genus Optediceros Leith, 1853
   3. Genus Paludinella L. Pfeiffer, 1841
   4. Genus Rugapedia H. Fukuda & Ponder, 2004
   5. Genus Taiwanassiminea Kuroda & T. Habe, 1950
   6. Genus Assiminella Monterosato, 1906 accepted as Paludinella L. Pfeiffer, 1841 (unnecessary substitute name for Paludinella L. Pfeiffer, 1841)
3. Subfamily Omphalotropidinae Thiele, 1927
   1. Genus Austroassiminea Solem, E.-L. Girardi, Slack-Smith & Kendrick, 1982
   2. Genus Ditropisena Iredale, 1933
   3. Genus Eussoia Preston, 1912
   4. Genus Omphalotropis L. Pfeiffer, 1851
   5. Genus Paludinellassiminea Habe, 1994
   6. Genus Suterilla Thiele, 1927
4. Subfamily Garrettiinae Kobelt, 1906 accepted as Omphalotropidinae Thiele, 1927 (Omphalotropidinae given precedence over Garrettiinae by ICZN Opinion 973.)
5. Genus Assimineidae incertae sedis (temporary name)

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