|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Bellerophontida - Plectonotidae
It was reranked as Tritonophon by Peel (1974), Wahlman (1992), Sepkoski (2002) and Ebbestad et al. (2008).
It was assigned to Kokenospira by Öpik (1953); to Bellerophontida by Sepkoski (2002); and to Plectonotinae by Peel (1974), Wahlman (1992) and Ebbestad et al. (2008).
|J. O. R. Ebbestad et al. 2008||Bellerophontid with 3–4 whorls bearing a strongly trilobed median dorsal lobe, the selenizone occupying the full width of the upper surface of the central lobe. Spiral ornamentation on entire shell common, but may be lacking in some species.|