20770 - Top Rare 0.89 Inch Stephanodus Partial Dentary Bone Late Cretaceous Pyritized ammonites K/T Boundary Latest Cretaceous Gams

K/T Boundary Latest Cretaceous Gams Valley Austria Dinosaur Extinction Stratigraphical Level

Etymology – In reference to the deposits which have yielded this species

Its external ornamentation is very characteristic showing a roughness

Magnificent example of a huge example of this genus

Ecology: fast-moving low-level epifaunal suspension feeder

20770 - Top Rare 0.89 Inch Stephanodus Partial Dentary Bone Late Cretaceous Pyritized ammonites K/T Boundary Latest Cretaceous GamsRare species belonging to the Trigonodontoidae family. This type of specimens in the fossil record of the Upper Cretaceous phosphates of the Ouled Abdoun Basin are not common. Stephanodus sp, Zittel 1883 (ray finned fish) Osteichthyes Tetraodontiformes Trigonodontoidae Parent taxon: Trigonodontoidae according to G. R. Case and D. R. Schwimmer 1988 See also Kumar and Loyal 1987 Subtaxa: Stephanodus lybicus Ecology: nektonic carnivore Environments: