Bivalvia - Cardiida - Cardiidae

Alternative combination: Cardium cooperi lorenzanum

Full reference: R. Arnold. 1908. Descriptions of new Cretaceous and Tertiary fossils from the Santa Cruz Mountains, California. Proceedings of the United States National Museum 34(1617):345-389

Belongs to Nemocardium (Nemocardium) according to E. J. Moore 2003

See also Clark 1918, Durham 1944, Hendy 2020, Hickman 2015, Moore 1976, Moore 1984, Tegland 1933 and Weaver 1942

Sister taxa: Nemocardium (Nemocardium) diversum, Nemocardium (Nemocardium) eocenense, Nemocardium (Nemocardium) linteum, Nemocardium (Nemocardium) yokoyamai

Type specimen: USNM 165444, a shell

Ecology: facultatively mobile infaunal suspension feeder

Distribution: found only at Marine Bivalvia of Unel'skaya Suite in northwestern Kamchatka (Paleocene of Russian Federation)

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Specimen images are retrieved through the ePANDDA API.