†Protetragonites crebrisulcatus Uhlig 1883 (ammonite)
Cephalopoda - Psiloceratida - Lytoceratidae
Alternative combination: Lytoceras crebrisulcatus
Belongs to Protetragonites according to J. Wiedmann 1979
Sister taxon: Protetragonites quadrisulcatus
Ecology: fast-moving nektonic carnivore