Dinosaurs: Facts about the reptiles that roamed Earth more than 66 million years ago 166 million-year-old fossil found on Isle of Skye belongs to pony-size dinosaur from Jurassic 'Exquisitely preserved' ginormous claws from Mongolia reveal strange evolution in dinosaurs At one point scientists theor...
A stegosaurian dinosaur of the genusStegosaurusof the Jurassic Period, having large upright plates along the back and two pairs of spikes on the tail. Also calledstegosaur. [New LatinStegosaurus,genus name: Greekstegos,roof; seestegodon+ Greeksauros,lizard.] ...
Paleontologist Overview & Facts from Chapter 5 / Lesson 13 36K Explore paleontology. Learn the definition of a paleontologist and find the difference between archaeology and paleontology. See what palaeontologists study. Related to this QuestionWhat...
a dinosaur and not a turtle—Marsh speculated that its triangular plates lined up sequentially, one after the other, across its back. It wasn't until the 1960's and 1970's that further fossil evidence was uncovered indicating that the plates of Stegosaurus were actually arranged in two alterna...