|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Cardiida - Cardiidae
It was reranked as Trigoniocardia (Americardia) by Palmer and Brann (1965) and Dockery (1982).
It was assigned to Trigoniocardia by Palmer and Brann (1965) and Dockery (1982); to Veneroida by Sepkoski (2002); to Fraginae by Rosenberg (2005); and to Cardiidae by Powell (2008).
Is something missing? Join the Paleobiology Database and enter the data
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.