Bivalvia - Cardiida - Cardiidae
Alternative spelling: Brevicardium
Parent taxon: Nemocardium according to J. A. Schneider 1995
See also Kosnik 2002, Sepkoski 2002, Stephenson 1941 and Vokes 1980
Sister taxa: Cardium (Nemocardium) bhagothorense, Cardium (Nemocardium) brasiliense, Nemocardium (Arctopratulum), Nemocardium (Divaricardium), Nemocardium (Keenaea), Nemocardium (Lophocardium), Nemocardium (Lyrocardium), Nemocardium (Nemocardium), Nemocardium (Pratulum), Nemocardium (Trifaricardium), Nemocardium (Varicardium), Nemocardium bechei, Nemocardium cooperii, Nemocardium eugenense, Nemocardium ezoense, Nemocardium granosulcatum, Nemocardium hadraterum, Nemocardium lene, Nemocardium lincolnensis, Nemocardium nicoletti, Nemocardium nicolletti, Nemocardium nitens, Nemocardium parile, Nemocardium patulum, Nemocardium plumsteadianum, Nemocardium salrivale, Nemocardium semiasperum, Nemocardium semitectum, Nemocardium turgidum
Subtaxa: Brevicardium fragile
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Cretaceous of United States (28: Alabama, Delaware, Mississippi, Missouri, New Jersey, Texas, Wyoming collections)
Total: 28 collections including 29 occurrences