Cephalopoda - Ammonitida - Polyptychitidae

Full reference: P. Alsen. 2006. The Early Cretaceous (Late Ryazanian-Early Hauterivian) ammonite fauna of North-East Greenland: taxonomy, biostratigraphy, and biogeography. Fossils and Strata 53:1-229

Belongs to Polyptychites (Euryptychites) according to P. Alsen 2006

Sister taxa: Euryptychites (Euryptychites), Polyptychites (Euryptychites) copiocostatus, Polyptychites (Euryptychites) diplotomus, Polyptychites (Euryptychites) gravesiformis, Polyptychites (Euryptychites) laevis, Polyptychites (Euryptychites) latissimus, Polyptychites (Euryptychites) molsbergensis, Polyptychites (Euryptychites) pateraeformis, Polyptychites (Euryptychites) roemeri, Polyptychites (Euryptychites) subcoronatus, Polyptychites (Euryptychites) traillensis, Paratollia kemperi

Type specimen: MGUH 28183, a shell

Ecology: fast-moving nektonic carnivore

Distribution: there are no occurrences of Polyptychites (Euryptychites) rubricosus in the database

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Specimen images are retrieved through the ePANDDA API.