|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Ataphridae
It was reranked as Collonia (Cirsochilus) by Cossmann (1907).
It was assigned to Collonia by Cossmann (1907); to Turbinidae by Palmer (1937); to Liotiinae by MacNeil (1960); to Colloniinae by Pacaud and Le Renard (1995); and to Archaeogastropoda 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.