Coelurus was a carnivore (meat-eater) dinosaur that lived in
North America in the late Jurassic period,
between about 153 and 150 million years ago.
Coelurus was quite small for a
Theropod dinosaur. It was about 8 feet (2.4 meters) long,
about 2¼ feet (0.7 meters) tall at the hips, and weighed something in the region
of 29 to 44 pounds (13 to 20 kilograms).
The first discovery of the remains of Coelurus was in 1881 by an amateur
fossil
collector named David Baldwin.
The name Coelurus was coined by
Edward D. Cope
in 1889, and means "hollow form", in reference to the animal's
hollow bones.
Coelurus is belived to have been a small terrestrial carnivore (meat-eater). It would
have ffet on small prey some small mammals, lizards and insects. It was also probably
a fast animal - evidence for this comes, for instance, from the structure of the bones
in its feet.
"Coelurus" means "hollow tail". This name was chosen by Othniel C. Marsh in 1879.
Coelurus was a member of the Saurischia ("lizard-hipped") order of dinosaurs. What this means, is that although Coelurus was not closely related to lizards, it did have similarly shaped pelvic bones.
Coelurus was a Theropod - a member of a group of related bipedal dinosaurs that included the ancestors of birds (although Coelurus was not itself an ancestor of birds).
Coelurus lived between about 153 million years ago and 150 million years ago, during the Jurassic period.
Coelurus lived in North America.
Coelurus was a carnivore (meat-eater).
Coelurus was about 8 feet (2.4 meters) long, and about 2¼ feet (0.7 meters) tall at its hips.
Coelurus weighed about 29 to 44 pounds (13 to 20 kilograms).
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