Clade Eucardiids Schneider 1995 (cockle)
Bivalvia - Cardiida - Cardiidae
Parent taxon: Neocardiids according to J. G. Carter et al. 2011
Sister taxon: Pleuriocardiinae
Subtaxa: Cardiinae Cerastodermatinae Clinocardiinae Fraginae Lymnocardiinae Orthocardiinae Profraginae Trapezicardiinae Tridacninae
Ecology: facultatively mobile infaunal suspension feeder