|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Cardiida - Cardiidae
It was reranked as Trachycardium (Agnocardia) by Vokes (1939); it was reranked as Bucardium (Agnocardia) by Schneider (2002); it was reranked as Acanthocardia (Agnocardia) by Moore (2002).
It was assigned to Trachycardium by Vokes (1939); to Cardiinae by Dockery (1982) and Vokes (1984); to Cardiidae by Todd (2001); to Veneroida by Sepkoski (2002); to Acanthocardia by Moore (2002); and to Orthocardiinae by Schneider (2002).
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