†family Isoarcidae Keen 1969 (clam)
Bivalvia - Nuculanida - Isoarcidae
Parent taxon: Nuculanoidea according to J. G. Carter et al. 2011
See also Bouchet et al. 2010, Nevesskaja 2009 and Vokes 1980
Sister taxa: Cadomiidae, Malletiidae, Nuculanidae, Palaeoneilidae, Phaseolidae, Polidevciidae, Sareptidae, Saturnidae, Yoldiidae, Zealedidae
Subtaxa: Isoarca
Ecology: facultatively mobile infaunal deposit feeder
Distribution: