Oviraptor is a genus of dinosaur that is today Mongolia. Oviraptor was a relatively large-brained dinosaur which cared for its eggs. In 1924, an Oviraptor fossil was found on top of some eggs, and some thought that it had been eating the eggs. Others thought that the fossilized Oviraptor was probably a parent of the eggs in the nest, and not an egg thief.
| Oviraptor Temporal range: Upper Cretaceous | |
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| Skeletal diagram showing known elements of the holotype specimen (AMNH 6517) | |
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| Genus: | Oviraptor |
Oviraptor lived in the Upper Cretaceous period, about 75 million years ago. Only one definite specimen is known (with associated eggs), from Mongolia, though a possible second specimen (also with eggs) comes from the northeast region of Inner Mongolia, China.[1]
Oviraptor is usually drawn with a distinctive crest, similar to that of the cassowary. However, re-examination of several oviraptorids show that this well-known, tall-crested species may actually belong to a relative of Oviraptor, the genus Citipati.[2] It is likely that Oviraptor did have a crest, but its exact size and shape are unknown due to crushing in the skull of the only recognized specimen.
Judging by its relatives, Oviraptor probably had feathers. It had a toothless beak, but its feeding habits are unknown. The only Oviraptor fossil preserved the remains of a lizard in the region of its stomach cavity,[3] implying that the species was at least partially carnivorous.[4]
Relatives
In 1976, Barsbold put six more brooding (nest sitting) specimens into the genus Oviraptor, but these were later reclassified in the new genus Conchoraptor. Another specimen, IGN 100/42, is perhaps the most famous, owing to its well-preserved complete skull and large size. This specimen was referred to the genus Oviraptor by Barsbold in 1981,[5] and was presented as Oviraptor in popular magazines and scientific studies.[6] However, this specimen, with its distinctive tall, cassowary-like crest, was re-examined by the scientists who described the nesting oviraptorids, and found to resemble them more closely than the original specimens of Oviraptor. For this reason, they removed IGN 100/42 from the genus Oviraptor, suggesting it was a species of Citipati.[2]
References
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