Superfamily Malletioidea Adams and Adams 1857 (clam)
Parent taxon: Nuculanida according to J. G. Carter et al. 2011
Sister taxon: Nuculanoidea
Subtaxa: Cadomiidae, Cucullellidae, Pseudocyrtodontidae, Strabidae, Tindariidae
Ecology: facultatively mobile infaunal suspension feeder