Clade Unioni Gray 1854 (clam)
Parent taxon: Uniomorphi according to J. G. Carter et al. 2011
Sister taxon: Thoraliidae
Subtaxa: Lyrodesmatoidea Unionata
Ecology: facultatively mobile infaunal suspension feeder
Parent taxon: Uniomorphi according to J. G. Carter et al. 2011
Sister taxon: Thoraliidae
Subtaxa: Lyrodesmatoidea Unionata
Ecology: facultatively mobile infaunal suspension feeder