Bivalvia - Cardiida - Cardiidae
Parent taxon: Eucardiids according to J. G. Carter et al. 2011
See also Bouchet et al. 2010, Coan et al. 2000 and Moore 2003
Sister taxa: Cardiinae, Cerastodermatinae, Fraginae, Lymnocardiinae, Orthocardiinae, Profraginae, Trapezicardiinae, Tridacninae
Subtaxa: Ciliatocardium Clinocardium Profulviini Serripedini
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of Canada (20: British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Nova Scotia, Nunavut, Ontario collections), Greenland (16), Japan (1), Mexico (1), United States (69: Alaska, California, Maine, New Jersey, Oregon, Washington)
• Pliocene to Pleistocene of United States (2: Alaska, Washington)
• Pliocene of Iceland (1), Japan (15), the Russian Federation (4), United States (10: Alaska, California, Oregon)
• Miocene to Pliocene of United States (2: California)
• Miocene of Canada (1: British Columbia), India (1), Japan (16), Mexico (1), the Russian Federation (26), United States (29: Alaska, California, Oregon, Washington)
• Oligocene of Canada (1: British Columbia), Japan (13), the Russian Federation (9), United States (12: Alaska, California, Washington)
• Eocene of the Russian Federation (3), United States (2: Oregon)
Total: 255 collections including 329 occurrences