Superfamily Carydioidea Haffer 1959 (clam)
Parent taxon: Unionoida according to L. A. Nevesskaja 2009
Sister taxa: Actinodontophoroidea, Amblemidae, Archanodontacea, Archanodontoidea, Etherioidea, Hyriidina, Protelliptio, Silesunionidina, Silesunionina, Tihkia, Unionidina
Subtaxa: none
Ecology: facultatively mobile infaunal suspension feeder
Distribution: there are no occurrences of Carydioidea in the database