†family Pachydomidae Fischer 1887 (clam)
Bivalvia - Pholadomyida - Pachydomidae
Synonym: Ferraziidae Scarlato and Starobogatov 1979
Parent taxon: Edmondioidea according to J. G. Carter et al. 2011
See also Bouchet et al. 2010
Sister taxa: Edmondiidae, Megadesmidae
Subtaxa: Anhembia Maackia Pachydominae Pachydomus
Ecology: facultatively mobile infaunal suspension feeder
Distribution: