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Archaeocyathid possibly the genus Atikokania sp
The evidence has mostly been based on that of Turkana Boy discovered in 1984
Based on tracks and bone specimens it appears that Brachiosaurus only had a small Thumb claw on the forefoot
HOW BIG WAS SPINOSAURUS
Eoraptor Skull, model T-Rex Archaeocyathid possibly the genus AtikokaniaCLASSIFICATION Eoraptor was a saurischian ("lizard hipped") dinosaur, a very primitive theropod, and a member of the infraorder Herrerasauria (which includes Herrerasaurus, Staurikosaurus, Saltopus, and other very early dinosaurs). The type species is Eoraptor lunensis (named by Paul Sereno, Forster, Rogers and Monetta in 1993). WHEN EORAPTOR LIVED Eoraptor lived during the late Triassic period, roughly 228 million years ago. It is one of the oldest
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