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Stock Number  DSERS712

Name:    Oviraptor Egg
Age:  Cretaceous
Formation:  Nanxiong Formation
Location:  Guangdong Province, China
Size:  Egg is 7.2 inches long

This egg is from the dinosaur, Oviraptor, or ''egg robber''. Most raptors laid their eggs in nests of a dozen or more eggs. Oviraptor mothers have been found fossilized guarding their nests, showing a ''nurturing'' nature in these dinosaurs. Usually, hatching and scavenging damaged the nests, obliterating any trace of the eggs that remained. Occasionally, some eggs survived predators and the elements, and eventually became fossils. Another point of interest relating to our raptor eggs is the overall comparison of eggshell thickness of these eggs. The raptor eggs found in deepest deposits (older) have very thick eggshell. As you examine eggs higher in the formation (younger), you see a gradual thinning of the eggshell over time. Gradual changes in vegetation (determined from pollen samples), changes in climate from a humid subtropic to an arid temperate region, and less oxygen in the air (determined from examining air trapped in amber) could have weakened the dinosaurs ability to produce healthy eggs, thus leading to their inevitable extinction. Environmental stresses in modern birds (the brown pelican, for example) have been shown to reduce the thickness of eggshells and the results on the species are similar. Because of their delicate nature, recognizable eggs are very rare in the fossil record. Dinosaur eggs that retain their original shape and eggshell are some of the most collectible fossils in the world.

This egg is very large (over seven inches long!) and has excellent form - the oval shape of the egg is easily seen. The egg is very 3-dimensionally preserved - not crushed like some dinosaur eggs. A noticeable portion of the eggshell is still wonderfully intact. The egg is well exposed and displays beautifully on the large block of matrix. And, best of all, this is probably an unhatched egg - there could be a baby dinosaur preserved inside! This is a very displayable raptor egg that could contain embryonic remains.

NOTE: China has recently banned the export of fossils. This fossil was acquired before the ban was put into effect.

A Certificate of Authenticity from EXTINCTIONS is included with this specimen.