|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Murchisoniina - Porcelliidae
It was assigned to Oriostomatidae by Farrell (1992); to Archaeogastropoda by Sepkoski (2002); to Anoriostomatini by Frýda and Farrell (2005); and to Agnesiinae by Wagner (2017).
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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.