Essay Archive - Dinosaurs
Dinosaurs
Dinosaur is the name of large extinct reptiles of the Mesozoic Era,
during which they were the dominant land animals on Earth. The term was
proposed as a formal zoologic name in 1842 by the British anatomist Sir Richard
Owen, in reference to large fossil bones unearthed in southern England. The
various kinds of dinosaurs are classified in two formal categories, the orders
Saurischia and Ornithischia, within the subclass Archosauria.
The first recorded dinosaur remains found consisted of a few teeth and
bones. They were discovered in 1882 in Sussex, England, ....
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