|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Bellerophontida - Sinuitidae
It was assigned to Cyrtolitidae by Knight et al. (1960); to Sinuitinae by Horný (1963); to Bucanellidae by Starobogatov (1970); to Sinuitidae by Runnegar and Jell (1976); and to Cyrtonellida 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.