Family Thyasiridae Dall 1901 (clam)
PaleoDB taxon number: 62525
Synonym: Cryptodontidae Dall 1895 (taxon 382740)
Parent taxon: Thyasiroidea according to J. G. Carter et al. 2011
Sister taxa: none
Subtaxa: Axinopsida, Axinopsidinae, Axinulus, Axinus, Conchocele, Cretaxinus, Genaxinus, Leptaxinus, Parathyasira, Storthodon, Tauraxinus, Thyasira, Thyasirinae
Ecology: facultatively mobile infaunal suspension feeder-chemosymbiotic