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The eyes facets of this specimen are well detailed
In the occlusion area still numerous sensory pits along both sides and within the tongue groove can be observed
Phacopidina
are of frequent occurrence: they are commonly prismatic in habit
Wolfgang Stinnesbeck & José Guadalupe López-Oliva (2007): Cranial anatomy of a Maastrichtian (Upper Cretaceous) mosasaur (Squamata
20768 - Top Rare 1.54 Inch Stephanodus Partial Dentary Bone Late Cretaceous Plesiosaur bones The eyes facets of thisRare 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: