ammonites
Ptychacanthus faujasii Agassiz 1837 (stingray)

Chondrichthyes - Myliobatiformes

Full reference: L. Agassiz. 1837. Recherches Sur Les Poissons Fossiles. Tome III (livr. 8-9). Imprimérie de Petitpierre, Neuchatel viii-72

Belongs to Ptychacanthus according to L. Agassiz 1837

Sister taxon: Ptychacanthus sublevis

Ecology: nektobenthic carnivore