|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Rhynchonellata - Rhynchonellida - Rhynchotrematidae
It was assigned to Orthorhynchulidae by Rõõmusoks (1964); to Rhynchotrematidae by Macomber (1970); to Rhynchotrematinae by Mitchell (1977); to Rhynchonellida by Sepkoski (2002); and to Lepidocyclinae by Amsden (1983) and Williams et al. (2002).
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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.