S55 - Ouranosaurus nigeriensis Basal Hadrosaur Dinosaur Tooth Cretaceous Elrhaz Fm Coronocephalus Figure 4 shows olivine and

Figure 4 shows olivine and pyroxene phenocrysts surrounded by plagioclase and pyroxene microcrysts

WEIGHT 1580 g

8 Wollastonite (mol%): 3

Zincite is the mineral form of zinc oxide (ZnO)

Trilobita - Corynexochida

S55 - Ouranosaurus nigeriensis Basal Hadrosaur Dinosaur Tooth Cretaceous Elrhaz Fm Coronocephalus Figure 4 shows olivine andScientific name: Ouranosaurus nigeriensis, (Taquet, 1976) Basal Hadrosaur Location: Gadoufaoua, Tner Desert, Niger. Geological Formation: Elrhaz Fm Age: Lower Cretaceous, Aptian Albian stage ( 113 million years) Size (long): 1. 3cm = 0. 51 Inch REF.: S55 DESCRIPTION: Here we introduce this exceedingly rare dinosaur tooth from Elrhaz Fm. It is an authentic tooth of Ouranosaurus, herbivorous basal hadrosaur dinosaur that lived during the Aptian stage of