Cephalopoda - Ammonitida - Polyptychitidae
Parent taxon: Euryptychites according to Y. I. Bogomolov 1989
Sister taxa: Polyptychites (Euryptychites) copiocostatus, Polyptychites (Euryptychites) diplotomus, Polyptychites (Euryptychites) gravesiformis, Polyptychites (Euryptychites) laevis, Polyptychites (Euryptychites) latissimus, Polyptychites (Euryptychites) molsbergensis, Polyptychites (Euryptychites) pateraeformis, Polyptychites (Euryptychites) roemeri, Polyptychites (Euryptychites) rubricosus, Polyptychites (Euryptychites) subcoronatus, Polyptychites (Euryptychites) traillensis, Paratollia kemperi
Subtaxa: none
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of the Russian Federation (2 collections)
Total: 2 collections each including a single occurrence