|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rostroconchia - Conocardiida - Pseudobigaleaidae
It was assigned to Hippocardiidae by Johnston and Chatterton (1983); to Conocardioida by Sepkoski (2002); and to Iapetocardiinae by Rogalla and Amler (2006).
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.