†family Prothyridae Miller 1889 (clam)
Bivalvia - Solenida - Prothyridae
Synonym: Citothyrisidae Hajkr et al. 1974
Parent taxon: Orthonotoidea according to J. G. Carter et al. 2011
See also Bouchet et al. 2010 and Nevesskaja 2009
Sister taxa: Konduriidae, Orthonotidae, Solenomorphidae
Subtaxa: Citothyris
Ecology: facultatively mobile infaunal suspension feeder
Distribution: there are no occurrences of Prothyridae in the database