|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rhynchonellata - Spiriferinida - Spiriferinidae
It was reranked as Mentzelia by Sepkoski (2002), Williams et al. (2006) and He and Chen (2016).
It was assigned to Spiriferina by Quenstedt (1871); to Spiriferida by Sepkoski (2002); and to Mentzeliinae by Williams et al. (2006) and He and Chen (2016).
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.