J44- Rare Eocarcharia dinops Dinosaur Tooth - Cretaceous Elrhaz Fm Tenere Desert Aulacopleura The outer rim of augite

The outer rim of augite crystals show light brown color

Resser 1939

The rear edges of the trailing side can create a 'roll-over' rim or 'lip' where the ablating/melting material has started to roll-over onto the back side

1g Main mass

breccia)    [explanation]

J44- Rare Eocarcharia dinops Dinosaur Tooth - Cretaceous Elrhaz Fm Tenere Desert Aulacopleura The outer rim of augiteScientific 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): 3,1cm = 1. 22 Inch REF.: J44 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