1. Subfamily Cryptomyinae T. Habe, 1977
   1. Genus Cryptomya Conrad, 1849
   2. Genus Indosphenia P. G. Oliver, Hallan & Jayachandran, 2018
   3. Genus Sphenia W. Turton, 1822
2. Genus Janschinella Merklin, 1961 †
3. Subfamily Myinae Lamarck, 1809
   1. Genus Mya Linnaeus, 1758
   2. Genus Platyodon Conrad, 1837
   3. Genus Tugonella Jousseaume, 1891
   4. Genus Tugonia J. E. Gray, 1842
4. Genus Arenaria Megerle von Mühlfeld, 1811 accepted as Scrobicularia Schumacher, 1815 (invalid: junior homonym of Arenaria Brisson, 1760 [Aves] and others)
5. Genus Arenomya Winckworth, 1930 accepted as Mya Linnaeus, 1758
6. Genus Cryptodonta P. P. Carpenter, 1864 accepted as Platyodon Conrad, 1837 (not available: established in synonymy)
7. Genus Distugonia Iredale, 1936 accepted as Tugonia (Distugonia) Iredale, 1936 represented as Tugonia J. E. Gray, 1842
8. Genus Myacites Schlotheim, 1820 † accepted as Mya Linnaeus, 1758 (unaccepted > unavailable name, ICZN Art. 20 discarding names formed with suffix "-ites" to denote fossils)
9. Genus Sphaenia [sic] accepted as Sphenia W. Turton, 1822 (Incorrect subsequent spelling)
10. Genus Sphena [sic] accepted as Sphenia W. Turton, 1822 (Incorrect subsequent spelling)
11. Subfamily Spheniinae F. R. Bernard, 1983 accepted as Cryptomyinae T. Habe, 1977 (unaccepted > junior subjective synonym)
12. Genus Tugonia Récluz, 1846 accepted as Tugonia J. E. Gray, 1842 (synonym and homonym of Tugonia Gray, 1842, both based on Adanson's "Le Tugon")
13. Genus Tyleria H. Adams & A. Adams, 1854 accepted as Sphenia W. Turton, 1822 (unaccepted > junior subjective synonym)

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