Camarasaurus

Camarasaurus is medium larged American sauropod from the late Jurassic period 
Camarasaurus was much bigger than Tyrannosaurus and even Spinosaurus It lived in usa
dinosaurs ruled the planet for 150 million years
1.ancestors 
2.extinction 
3. What’s based on?
ANCESTORS
Camarasaurus was came from Plateosaurus the ancestors of extinct sauropods 
EXTINCTION 
according to some people (such as Britannica) camarasaurus first appeared and goes extinct by start of the Cretaceous which is 161 million to 146 million years ago
WHAT'S BASED ON?
Camarasaurus texture art was based from pluto dooto's unused Saturn asset 
File:Ringless saturn (pluto dooto's unused asset).png|Camarasaurus' references texture
so its unknown how did this big guy died out