|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Rhynchonellata - Rhynchonellida - Psilocamaridae
It was assigned to Rhynchonellida by Sepkoski (2002); to Cyrolexinae by Williams et al. (2002); and to Atriboniinae by Shen et al. (2003).
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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.