20771 - Top Rare 0.56 Inch Stephanodus sp Incisor Tooth Late Cretaceous Dinosaur - Museum Grade in this specimen the restoration

in this specimen the restoration is minimal

Aragonite will change to calcite over timescales of days or less at temperatures exceeding 300 °C and vaterite is even less stable

deltaic (2)

It only has some glued fractures

20771 - Top Rare 0.56 Inch Stephanodus sp Incisor Tooth Late Cretaceous Dinosaur - Museum Grade in this specimen the restorationRare 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: