†family Archaeocardiidae Khalfin 1940 (clam)
Bivalvia - Carditida - Archaeocardiidae
Parent taxon: Carditida according to J. G. Carter et al. 2011
See also Bouchet et al. 2010, Nevesskaja 2009 and Vokes 1980
Sister taxa: Condylocardioidea, Crassatelloidea, Eodonidae, Lymnocardiidae
Subtaxa: Archaeocardium
Ecology: facultatively mobile infaunal suspension feeder
Distribution: found only at Song Ka, Huoi Loi Beds (Devonian of Vietnam)