|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Poromyida - Verticordiidae
It was reranked as Verticordia (Trigonulina) by Dall (1886).
It was assigned to Verticordia by Dall (1886); to Verticordiidae by Jung (1996); and to Pholadomyoida 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.