|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Tergomya - Cyrtonellida - Cyrtolitidae
It was reranked as Bellerophon (Cyrtolites) by Perner (1903).
It was assigned to Bellerophon by Perner (1903); to Cyrtolitidae by Knight et al. (1960), Runnegar and Jell (1976) and Wahlman (1992); and to Cyrtonellida by Sepkoski (2002).
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