|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Rhynchonellata - Rhynchonellida - Rhynchotrematidae
It was assigned to Rhynchonellidae by Oraspold (1956); to Rhynchotrematidae by Macomber (1970) and Rubel and Rozman (1977); to Rhynchonellida by Sepkoski (2002); and to Rhynchotrematinae by Mitchell (1977) 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.