Cephalopoda - Ammonitida - Polyptychitidae
Alternative spelling: Olcostephanus (Polyptychites)
Parent taxon: Polyptychitinae according to P. Alsen 2006
See also Bogomolov 1989, Imlay 1960, Imlay and Jones 1970, Jeletzky and Kemper 1988, Kemper and Jeletzky 1979, Sepkoski 2002 and Stanton 1895
Sister taxa: Dichotomites, Hertleinites, Wellsia
Subtaxa: Polyptychites (Amundiptychites) Polyptychites (Astieriptychites) Polyptychites (Euryptychites) Polyptychites (Paleodichotomites) Polyptychites (Polyptychites) Polyptychites (Primitiviptychites) 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
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Canada (27: British Columbia, Northwest Territories, Yukon collections), France (1), Germany (1), Greenland (19), Mexico (1), Poland (5), the Russian Federation (58), Svalbard and Jan Mayen (7), United States (5: California, Oregon)
Total: 124 collections including 224 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.