|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rhynchonellata - Orthida - Plectorthidae
It was assigned to Orthinae by Ulrich and Cooper (1936); to Nanorthidae by Williams et al. (2000); to Orthida by Sepkoski (2002); and to Plectorthidae by Williams et al. (2007).
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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.