†suborder Taxodonta (clam)
Parent taxon: Prionodesmacea according to R. Rivera 1957
Sister taxa: Ambonychidae, Schizodonta
Subtaxa: none
Ecology: facultatively mobile infaunal suspension feeder
Distribution: found only at Los Espejos Formation, Facies B2, Cerro del Fuerte section (Silurian of Argentina)