|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Strophomenata - Productida - Aulostegidae
It was reranked as Productus (Sinuatella) by Reed (1944).
It was assigned to Productus by Reed (1944); to Sinuatellidae by Muir-Wood and Cooper (1960); to Institellinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
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.