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†Polyptychites (Siberiptychites) Kemper and Jeletzky 1977 (ammonite)

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)

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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

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