Cephalopoda - Ammonitida - Polyptychitidae
Alternative spelling: Primitiviptychites
Parent taxon: Polyptychites according to P. Alsen 2006
Sister taxa: Polyptychites (Amundiptychites), Polyptychites (Astieriptychites), Polyptychites (Euryptychites), Polyptychites (Paleodichotomites), Polyptychites (Polyptychites), Polyptychites (Siberiptychites), Polyptychites balkwilli, Polyptychites brancoi, Polyptychites canadensis, Polyptychites clarkei, Polyptychites hapkei, Polyptychites hesperius, Polyptychites hoeli, Polyptychites lamplughi, Polyptychites multicostatus, Polyptychites multiplicatus, Polyptychites oerlinghusanus, Polyptychites orbitatus, Polyptychites pavlowi, Polyptychites saxonicus, Polyptychites sublatissimus, Polyptychites tethyale, Polyptychites traski, Polyptychites trichotomus, Polyptychites villersensis
Subtaxa: Polyptychites (Primitiviptychites) rectangulatus
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Greenland (5 collections), the Russian Federation (7)
Total: 12 collections each including a single occurrence