invalid: junior homonym of Cryptodon Turton, 1822; Schizothaerus is a replacement name
marine, fresh, terrestrial
Gray, J. E. (1853). A revision of the genera of some of the families of Conchifera or bivalve shells. <em>Annals and Magazine of Natural History.</em> (2) 11: 33-44, 398-402., available online athttps://biodiversitylibrary.org/page/13785724[details]
MolluscaBase eds. (2025). MolluscaBase. Tresus J. E. Gray, 1853. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: http://marbef.org//marbef.org/data/aphia.php?p=taxdetails&id=367775 on 2026-04-04
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Tresus J. E. Gray, 1853. Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=367775 on 2026-04-04
original descriptionGray, J. E. (1853). A revision of the genera of some of the families of Conchifera or bivalve shells. <em>Annals and Magazine of Natural History.</em> (2) 11: 33-44, 398-402., available online athttps://biodiversitylibrary.org/page/13785724[details]
redescriptionCoan, E. V.; Valentich-Scott, P. (2012). Bivalve seashells of tropical West America. Marine bivalve mollusks from Baja California to northern Peru. 2 vols, 1258 pp.[details]
Present Inaccurate Introduced: alien Containing type locality
Present 