Bivalvia - Cardiida - Cardiidae
Alternative spelling: Pratulum
Parent taxon: Nemocardium according to J. A. Schneider 1995
See also Sepkoski 2002 and Vokes 1980
Sister taxa: Cardium (Nemocardium) bhagothorense, Cardium (Nemocardium) brasiliense, Nemocardium (Arctopratulum), Nemocardium (Brevicardium), Nemocardium (Divaricardium), Nemocardium (Keenaea), Nemocardium (Lophocardium), Nemocardium (Lyrocardium), Nemocardium (Nemocardium), 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: Pratulum antisemigranulatum Pratulum hemimeris Pratulum scrobiculatum Pratulum thetidis Pratulum victoriae
Distribution:
• Pliocene of New Zealand (1 collection)
• Miocene of Australia (3)
• Eocene of Australia (1), New Zealand (5)
• Paleocene of New Zealand (2)
• Cretaceous of Australia (1), India (3), United States (1: Texas)
• Triassic of Slovakia (1)
Total: 18 collections including 20 occurrences