ammonites
Prouddenites primus Miller 1930 (ammonite)

Cephalopoda - Prolecanitida - Medlicottiidae

Synonym: Prouddenites grafordensis Plummer and Scott 1937

Belongs to Prouddenites according to A. K. Miller and W. M. Furnish 1940

Sister taxa: Prouddenites boesei, Prouddenites terminalis

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 5.98, shell diameter 18.9