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