S20 - Eocarcharia dinops Dinosaur Tooth - Cretaceous Elrhaz Fm Tenere Desert Hamatolenus while the Strunz classification scheme

while the Strunz classification scheme lists it as a tectosilicate

† Micraster

although both have fenestral openings in their frills

EDS analyses indicate olivine has high forsterite Fo=0

and fossil cheloniids: Tasbacka ouledabdounensis Tong & Hirayama

S20 - Eocarcharia dinops Dinosaur Tooth - Cretaceous Elrhaz Fm Tenere Desert Hamatolenus while the Strunz classification schemeScientific name: Eocarcharia dinops, Sereno and Brusatte, 2008 Location: Gadoufaoua, Tner Desert, Niger. Geological Formation: Elrhaz Fm Age: Lower Cretaceous, Aptian Albian stage ( 113 million years) Size (long): 7. 4 cm REF.: S20 DESCRIPTION: Eocarcharia (meaning "dawn shark") is a genus of carcharodontosaurid theropod dinosaur from the Early Cretaceous Elrhaz Formation that lived in the Sahara 112 million years ago, in what today is the country of