Camptosaurus was a herbivore (plant-eater) that lived in
Europe and North America
during the late Jurassic period,
about 155 to 145 million years ago.
Many
fossils have been found,
which suggests Camptosaurus was a common dinosaur in its time.
Camptosaurus legs were long and powerful, with 3 hoofed toes. Its arms
were much shorter, but also had hoof-like nails.
So while Camptosaurus could walk on two feet, it probably mostly walked on all
fours, and ate low lying vegetation.
Camptosaurus was about 20 feet (6.1 meters) long.
Camptosaurus was first described in 1879 by
Othniel C. Marsh.
Originally,
Othniel C. Marsh
named the creature "Camptonotus", but he changed the name to
Camptosaurus in 1885 because the original name was already being used for
a cricket. Both variants of the name mean "bent lizard", which
was chosen because the animal would have had to have its back arched whenever
standing on all fours.
"Camptosaurus" means "bent lizard" (because its body must have been arched when standing on all fours). The name was chosen by Othniel C. Marsh in 1885.
Camptosaurus was a member of the Ornithischia ("bird-hipped") order of dinosaurs. What this means, is that although Camptosaurus was not closely related to birds, it did have similarly shaped pelvic bones.
Camptosaurus lived between about 155 million years ago and 145 million years ago, during the Jurassic period.
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