|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Arcida - Arcidae
It was reranked as Anadara (Rasia) by Woodring (1973), del Rio (1992) and Todd (2001); it was synonymized subjectively with Anadara by Coan et al. (2000).
It was assigned to Anadarinae by Vokes (1980) and Ward (1992); to Anadara by Woodring (1973), del Rio (1992) and 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.