Cephalopoda - Ammonitida - Polyptychitidae
Alternative combinations: Dichotomites trichotomus, Olcostephanus (Polyptychites) trichotomus
Full reference: T. W. Stanton. 1895. Contributions to the Cretaceous paleontology of the Pacific coast. : The fauna of the Knoxville. Bulletin of the United States Geological Survey 133:1-132
Belongs to Polyptychites according to R. W. Imlay and D. L. Jones 1970
See also Anderson 1938 and Stanton 1895
Sister taxa: 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 villersensis
Type specimen: USNM 23090
Distribution:
• Cretaceous of United States (2: California, Oregon collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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