|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Bellerophontida - Pterothecidae
It was assigned to Pterothecidae by Fischer (1883); to Carinaropsidae by Ulrich and Scofield (1897); to Bellerophontida by Sepkoski (2002); and to Pterothecinae by Knight et al. (1960), Wahlman (1992) and Bouchet et al. (2005).
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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.