Bivalvia - Cardiida - Cardiidae
Alternative spellings: Cardium (Ethmocardium), Granocardium (Ethmocardium)
Parent taxon: Cardiinae according to H. E. Vokes 1980
See also Russell and Landes 1937, Sepkoski 2002 and Speden 1970
Sister taxa: Acanthocardia, Bucardium, Cardiini, Cardium, Chesacardium, Dinocardiini, Dinocardium, Granocardium, Planicardium, Procardium, Rudicardium, Schedocardia, Septocardia, Vepricardiini, Vepricardium
Subtaxa: Cardium (Ethmocardium) ursaniense Granocardium (Ethmocardium) whitei
Distribution:
• Cretaceous of Canada (6: Alberta collections), Japan (1), Mexico (2), New Zealand (1), United States (25: Alabama, North Dakota, South Dakota, Texas)
Total: 35 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.