Coelurus
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| Coelurus Fossil range: Late Jurassic | ||||||||||||||||||
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Extinct (fossil)
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| Coelurus fragilis Marsh, 1879 |
Coelurus (see-LOOR-us) was a coelurosaur dinosaur of the late Jurassic Period (Kimmeridgian-Tithonian stages, 150 million years ago). The name means "hollow tail" because its tail vertebrae were hollow (Greek koilos = hollow + oura = tail).
It was considered by some scientists to be the same animal as Ornitholestes, but new studies show them to be rather different animals.[1] Coelurus had more slender body proportions than Ornitholestes, with elongated vertebrae and hindlimbs. It was discovered in the Morrison Formation of Wyoming, USA, in 1879 and described by Othniel Marsh.
[edit] References
- ^ Carpenter, K., C. Miles, J.H. Ostrom & K. Cloward, 2005. 49-71 in Carpenter, K. (ed.), The Carnivorous Dinosaurs. Indiana University Press, Bloomington.
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