|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Cardiida - Cardiidae
It was reranked as Cardium (Cerastoderma) by Dall (1900), Glenn (1904) and Barry (1942); it was reranked as Laevicardium (Cerastoderma) by Barth (1956).
It was assigned to Cardium by Dall (1900), Glenn (1904) and Barry (1942); to Laevicardium by Barth (1956); to Veneroida by Sepkoski (2002); and to Cardiidae by Schneider et al. (2005).
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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.