|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Thraciida - Periplomatidae
It was reranked as Periplima (Aelga) by Kafanov and Ogasawara (2003); it was reranked as Periploma (Aelga) by Kafanov et al. (2005).
It was assigned to Pholadomyoida by Sepkoski (2002); and to Periploma by Kafanov and Ogasawara (2003) and Kafanov et al. (2005).
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.