|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Cardiida - Cardiidae
It was Cardium (Mexicardia) by Pilsbry and Olsson (1941); it was reranked as Mexicardia by Sepkoski (2002).
It was assigned to Cardium by Pilsbry and Olsson (1941); to Trachycardium by Woodring (1982) and Vokes (1989); and to Veneroida by Sepkoski (2002).
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