†Hildoceras tethysi Géczy 1967 (ammonite)
Cephalopoda - Ammonitida - Hildoceratidae
Belongs to Hildoceras according to M. Bécaud 2006
Sister taxa: Hildoceras ameuri, Hildoceras angustisiphonatum, Hildoceras apertum, Hildoceras bastiani, Hildoceras bifrons, Hildoceras caterinii, Hildoceras crassum, Hildoceras lusitanicum, Hildoceras semipolitum, Hildoceras sublevisoni
Ecology: fast-moving nektonic carnivore