Eoraptor Skull, model T-Rex HOW BIG WAS SPINOSAURUS

HOW BIG WAS SPINOSAURUS

portion of upper jaw 10 x 11 inches

Dromaeosaurus seems to have become extinct about 70 million years ago

Later about two dozen specimens were formally referred to the species

Eryops (pronounced EAR-ee-ops) (meaning "long eye" or "drawn-out eye" in Greek) was a common

Eoraptor Skull, model T-Rex HOW BIG WAS SPINOSAURUSCLASSIFICATION 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