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Original Dinosaur Claw Sheath Proteins Preserved for 75 Million Years
Original Dinosaur Claw Sheath Proteins Preserved 75 Million Years
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2016/11/29
One of the most well-recognized Cretaceous fossils is Citipati osmolskae (MPC-D 100/979), an oviraptorid dinosaur discovered in brooding position on a nest of unhatched eggs. The original description ...