|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Rhynchonellata - Spiriferida - Cyrtospiriferidae
It was assigned to Cyrtospiriferidae by Savage et al. (1978) and Savage and Baxter (1995); to Spiriferida by Sepkoski (2002); and to Cyrtospiriferinae by Williams et al. (2006).
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.