|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Tergomya - Cyrtonellida - Cyrtolitidae
It was reranked as Bellerophon (Sinuitopsis) by Troedsson (1919); it was reranked as Sinuites (Sinuitopsis) by Knight et al. (1960).
It was assigned to Bellerophon by Troedsson (1919); to Sinuites by Knight et al. (1960); to Bucanellidae by Starobogatov (1970); to Cyrtolitidae by Horný (1986); and to Cyrtonellida by Sepkoski (2002).
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