|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Rhynchonellata - Terebratulida - Megathyrididae
It was assigned to Cancellothyrididae by Pacaud and Le Renard (1995); to Terebratulida by Sepkoski (2002); and to Megathyrididae by Cooper (1979), Williams et al. (2006) and Bitner and Müller (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.