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Hildoceras apertum Gabilly 1976 (ammonite)

Cephalopoda - Ammonitida - Hildoceratidae

PaleoDB taxon number: 183250

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

Sister taxa: Hildoceras (Lillia), Hildoceras ameuri, Hildoceras bastiani, Hildoceras bifrons, Hildoceras caterinii, Hildoceras crassa, Hildoceras crassum, Hildoceras graecum, Hildoceras laticosta, Hildoceras lusitanicum, Hildoceras semipolitum, Hildoceras sublevisoni, Hildoceras tethysi

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): width 18.5, diameter 89.4, shell width 15.2, shell diameter 58.6