|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Bivalvia - Cyrtodontida
It was reranked as the suborder Praecardiidina by Carter et al. (2011).
It was assigned to Cryptodonta by Newell (1965) and Vokes (1980); to Bivalvia by Sepkoski (2002); to Nepiomorphia by Kříž (2007); and to Cyrtodontida by Carter et al. (2011).
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.