"* Gadiniidae Gray, 1840" . . . . "thumb|Profile view of shell of Trimusculus reticulatus" . . "* GadinaleaIredale, 1940" . "Synonym of Trimusculidae:" . "* Gadinia Gray, 1824" . "Synonyms of Trimusculus:" . "thumb|Apertural view of shell of Trimusculus reticulatus" . "Trimusculus is a genus of medium-sized air-breathing sea snails or false limpets, marine pulmonate gastropod molluscs in the family Trimusculidae.Trimusculus is the only genus in the family Trimusculidae. Trimusculidae, the button snails, is the only family in the superfamily Trimusculoidea, a superfamily of false limpets."@en . .