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Authentic fossilized Oviraptor (Heyuannia sp.) dinosaur egg, 19.2 cm length, 66 – 71 million years old, Cretaceous, China

RON 2.499,99

Authentic fossilized theropod dinosaur egg of the genus Macroolithus yaotunensis from China, approximately 66–71 million years old. These eggs are found in large quantities in the Nanxiong Formation of China and have been associated with remains of Oviraptor dinosaurs, possibly belonging to the genus Heyuannia sp. The egg is natural, not artificially colored, not sculpted, it is made up of two pieces of the same egg glued back together and some of the pieces of shell that were detached from the matrix were also carefully glued back into place. The egg in question is composed of the eggshell left after the dinosaur chick hatched, which mineralized along with the sediments deposited inside. The specimen is accompanied by a Certificate of authenticity signed by a professional geologist who appraised the specimen. An exceptional collector's item and a superb gift for any dinosaur and paleontology enthusiast!

Originating from China, the specimen was acquired from Europe, from an old European collection.

Fossilized dinosaur eggs consist of an outer shell composed of the egg's fossilized organic layers (the eggshell as well as various soft internal layers) and an interior formed from a matrix of sedimentary rock, deposited over time, which contributes to the solidification and preservation of the egg's shape. In very rare cases, fossilized embryonic remains can also be found inside. The eggs of herbivorous dinosaurs (sauropods, hadrosaurs, etc.) typically have a rounded shape with a relatively smooth shell, whereas those of carnivorous dinosaurs (theropods) usually have an elongated shape with a textured shell dotted with small ridges containing microscopic pores through which the embryo could breathe.

Due to its age, the specimen may have imperfections and repaired areas (glued sections) which are perfectly normal and inevitable, but overall, it is in good condition. We invite you to carefully inspect the product photos to identify natural imperfections and any potential repairs to the specimen.

Click here for more general information about fossils

Specimen: authentic fossilized theropod dinosaur egg, genus Macroolithus yaotunensis (dinosaur Oviraptor – possibly genus Heyuannia sp.)

Age: approximately 66 – 71 million years old, Late Cretaceous period

Specimen dimensions: approximately 19.2 cm length (Please take a look at the photo where the specimen is placed next to the ruler/in the hand to get an idea of its size)

Country of origin: Nanxiong Formation, Guangdong Province, China

The product consists of a single authentic fossilized Oviraptor theropod dinosaur egg specimen, genus Macroolithus yaotunensis, The one in the photos above, and it comes accompanied by a brochure containing specific geological and paleontological information, as well as a Certificate of authenticity signed by a professional geologist who examined the specimen.

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Description

Oviraptor is a genus of dinosaur that lived during the Late Cretaceous period, in Asia, approximately 84–66 million years ago. The Oviraptor was a relatively small feathered dinosaur, estimated at 1.6 m in length and 33–40 kg in body mass. It had a broad lower jaw and a robust skull that probably bore a crest. Both jaws were toothless and formed a beak used for feeding. Its well-developed, elongated forelimbs ended in three fingers with curved claws. Its long hindlimbs ended in four-toed feet, with a reduced first toe. Its tail was probably relatively short and ended in a fan of large feathers.

Due to the morphology of its beak, which is very similar to that of modern parrots, it most likely fed on fruits and seeds, but there are also theories that propose that it was omnivorous, as the beak may have been capable of being used for cutting. Oviraptor eggs are extremely numerous in the Nanxiong Formation of Guangdong Province in China, and Oviraptor nests are extremely well organized and have a highly specific architecture, the role of which is not yet fully understood.

When it was first described, Oviraptor was interpreted as an egg thief, a dinosaur that fed on the eggs of others, given the close association of its remains with dinosaur nests. Hence its name (the name of Oviraptor is composed of the Latin terms for "egg" and "robber"). Later, the discoveries of numerous fossils of Oviraptors in a nesting position demonstrated that this dinosaur actually brooded on its own nests and did not steal or feed on eggs.

Oviraptor reconstruction
Oviraptor reconstruction – author PaleoNeolitic, source Wikipedia – the image has a strictly illustrative role and is not part of the product

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