JS23 - Unique Undescribed Basal Spinosaurid Dinosaur Tooth Jurassic Tiouraren Fm Norwoodia boninoi R122 - Top Rare Cretaceous

R122 - Top Rare Cretaceous Association of 4 Echinoderms Cidaris sp with Spines(143977766423)

Ormistoniella

Otarion beggi

these stone meteorites were likely once part of the crust of a  large asteroid

Publications: -A new species of Tasbacka (Testudines: Cryptodira: Cheloniidae) from the Paleocene of the Ouled Abdoun phosphate basin

JS23 - Unique Undescribed Basal Spinosaurid Dinosaur Tooth Jurassic Tiouraren Fm Norwoodia boninoi R122 - Top Rare CretaceousScientific name: Undescribed basal Spinosaurid Location: Tiouraren Hill, Tner Desert, Niger. Geological Formation: Tiouraren Fm Age: Middle Jurassic, Bathonian stage ( 167 million years) Size (long): 4. 2cm = 1. 67 Inch REF.: JS23 DESCRIPTION: Here we present a true rarity. It is a theropod dinosaur tooth with some remarkable peculiarities. It is a premaxillary tooth, but it has a series of well marked longitudinal striations, characteristic of