|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Ammonitida - Perisphinctidae
It was reranked as Siemiradzkia (Planisphinctes) by Stephanov (1972); it was reranked as Prorsisphinctes (Planisphinctes) by Besnosov and Mitta (1993).
It was assigned to Siemiradzkia by Stephanov (1972); to Prorsisphinctes by Besnosov and Mitta (1993); to Ammonoidea by Sepkoski (2002); and to Perisphinctidae by Majidifard (2015).