|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Bivalvia - Cardiida - Cardiidae
It was reranked as Cardium (Clinocardium) by Nomura and Hatai (1936).
It was assigned to Cardium by Nomura and Hatai (1936); to Cardiidae by Faustman (1964); to Laevicardiinae by Vokes (1980); to Clinocardiinae by Coan et al. (2000); and to Veneroida by Sepkoski (2002).
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|E. V. Coan et al. 2000||Shell oblique to elliptical, inflated. Sculpture of radial ribs and commarginal
lirae. Periostracum thin, adherent, occasionally hirsute on ribs. Umbones prominent,
prosogyrate. Hinge plate wide.