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Grammoceras striatulum Sowerby 1825 (ammonite)

Cephalopoda - Ammonitida - Hildoceratidae

PaleoDB taxon number: 273109

Alternative combination: Ammonites striatulus

Belongs to Grammoceras according to A. Galácz et al. 2010

Sister taxa: Grammoceras normanianum, Grammoceras penestriatulum, Grammoceras thouarsense, Grammoceras timorense

Type specimen: Its type locality is St. Cassian (Munster coll), which is in a Julian carbonate limestone in the Cassian Formation of Italy.

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): width 19.2, diameter 80.8