Family Arcticidae Newton 1891 (clam)
Parent taxon: Arcticoidea according to J. G. Carter et al. 2011
Sister taxa: Bernardinidae, Euloxidae, Pollicidae, Trapezidae, Veniellidae
Subtaxa: Agapella, Ambonicardia, Anisocardia, Anisocardioides, Antarctica, Antiquicyprina, Arctica, Coelocyprina, Eotrapezium, Epicyprina, Etea, Gythemon, Hartwellia, Isocyprina, Izumia, Petalocardia, Plesiocyprina, Procyprina, Pronoella, Proveniella, Pseudotrapezium, Pygocardia, Rollierella, Roudairia, Somarctica, Staffinella, Tenea, Tortarctica, Vectianella, Venericyprina, Veniella, Venilicardia
Ecology: facultatively mobile infaunal suspension feeder