|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Cardiida - Cardiidae
It was reranked as Nemocardium (Brevicardium) by Schneider (1995); it was reranked as Protocardium (Brevicardium) by Kosnik (2002).
It was assigned to Cardiidae by Stephenson (1941); to Protocardiinae by Vokes (1980); to Nemocardium by Schneider (1995); to Veneroida by Sepkoski (2002); and to Protocardium by Kosnik (2002).