Superfamily Galeommatoidea Gray 1840 (clam)
Alternative spelling: Galeommatacea
Parent taxon: Leptonidina according to J. G. Carter et al. 2011
Sister taxon: Cyamioidea
Subtaxa: Ephippiodontidae, Galeommatidae, Lasaeidae, Leptonidae
Ecology: stationary infaunal suspension feeder