Eastern Asia, China, Henan Province, late Cretaceous, ca. 100 to 65 million years ago. A connected pair of round fossilized eggs preserved in their original matrix, which is deep red compacted sandstone, from a member of the hadrosaur family (Hadrosauridae). The Hadrosaurids are also known as the duck-billed dinosaurs, a herbivorous type of animal and a facultative biped, meaning that they walked on two legs when young and four when adults. They had large jaws with multiple rows of teeth for grinding plants. They had large noses; some of them also had crests atop their heads whose use is still unknown: maybe to attract mates, scare away predators by appearing large, or make trumpeting sounds. Hadrosaurs were scaled, not feathered, based on skin impressions. We think that they were muscular animals who could have outrun contemporary predators, like tyrannosaurs. They were also large - roughly 30 feet long (9.2 m) and weighing up to three tons. Size: 11" W x 4.5" H (27.9 cm x 11.4 cm)
In the past few decades, paleontological research in China has rewritten our knowledge of dinosaurs, especially the later Cretaceous period, which was previously known mainly from western North America. Incredible finds of fossilized skeletal remains, eggs, nests, footprints, and related non-dinosaur animals and plants have given us a new understanding of how dinosaurs lived - and how they parented. These animals seem to have been devoted parents, nurturing their children from eggs through childhood.
Provenance: A Coin Exchange, Tarzana, California, USA
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#147283
Condition
Small losses to surface as shown. A few small areas of stabilization with glue where the egg shell meets the matrix.