|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Cardiida - Mactridae
It was reranked as Mactra (Mulinia) by Anderson (1929).
It was assigned to Mactra by Anderson (1929); to Mactrinae by Woodring (1982); to Mactridae by Ward and Blackwelder (1987) and Gordillo (1991); and to Veneroida 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.