Cephalopoda - Ammonitida - Polyptychitidae
Alternative spelling: Siberiptychites
Parent taxon: Polyptychites according to P. Alsen 2006
See also Bogomolov 1989, Jeletzky and Kemper 1988 and Sepkoski 2002
Sister taxa: Polyptychites (Amundiptychites), Polyptychites (Astieriptychites), Polyptychites (Euryptychites), Polyptychites (Paleodichotomites), Polyptychites (Polyptychites), Polyptychites (Primitiviptychites), 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 (Siberiptychites) stubendorffi Siberiptychites (Pseudoeuryptychites) Siberiptychites (Siberiptychites)
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Canada (9: Northwest Territories collections), Greenland (4), the Russian Federation (11), Svalbard and Jan Mayen (1)
Total: 25 collections including 32 occurrences