Superfamily Mactromyoidea Cox 1929 (clam)
Parent taxon: Lucinoida according to L. A. Nevesskaja 2009
Sister taxa: Donacoidea, Kellioidea, Lucinoidea, Pisidioidea, Thyasiroidea
Subtaxa: none
Ecology: facultatively mobile infaunal suspension feeder
Distribution: there are no occurrences of Mactromyoidea in the database