Cephalopoda - Ammonitida - Polyptychitidae
Full reference: Y. I. Bogomolov. 1989. Poliptikhity (Ammonity) i biostratigrafiya boreal'nogo Valanzhina. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 696:1-199
Parent taxon: Polyptychites according to Y. I. Bogomolov 1989
Sister taxa: Polyptychites (Amundiptychites), Polyptychites (Astieriptychites), Polyptychites (Euryptychites), 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
Subtaxa: Polyptychites (Paleodichotomites) triplodiptychus
Type: Olcostephanus (Polyptychites) triplodiptychus
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of the Russian Federation (3 collections)
Total: 3 collections each including a single occurrence