Superfamily Thyasiroidea Dall 1900 (clam)
Parent taxon: Lucinida according to J. G. Carter et al. 2011
See also Bouchet et al. 2010
Sister taxa: Donacoidea, Kellioidea, Lucinidae, Lucinoidea, Mactromyoidea, Pisidioidea, Thyasiridae
Subtaxa: none
Ecology: facultatively mobile infaunal suspension feeder
Distribution: there are no occurrences of Thyasiroidea in the database