|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Arcida - Arcidae
It was synonymized subjectively with Larkinia by Coan et al. (2000); it was reranked as Anadara (Grandiarca) by Todd (2001).
It was assigned to Anadara by Todd (2001); and to Arcoida by Sepkoski (2002).
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.