Cephalopoda - Ammonitida - Gaudryceratidae

PaleoDB taxon number: 131573

Full reference: W. J. Kennedy, J. A. Crame, P. Bengsten and M. R. A. Thomson. 2007. Coniacian ammonites from James Ross Island, Antarctica. Cretaceous Research 28(509):531

Belongs to Gaudryceras (Gaudryceras) according to W. J. Kennedy et al. 2007

Sister taxa: Gaudryceras (Gaudryceras) cassisianum, Gaudryceras (Gaudryceras) denseplicatum, Gaudryceras (Gaudryceras) isovokyense, Gaudryceras (Gaudryceras) varicostatum

Type specimen: D.8228.313, a shell

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): width 13.5, diameter 38.2