|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Cardiida - Cardiidae
It was reranked as Cardium (Bucardium) by Freneix and Grant-Mackie (1978).
It was assigned to Cardium by Freneix and Grant-Mackie (1978); to Veneroida by Sepkoski (2002); and to Cardiinae by Schneider (2002).
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.