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December 8, 2016 08:00 pm

First Dinosaur Tail Found Preserved in Amber

The tail of a beautiful, feathered dinosaur has been found perfectly preserved in amber from Myanmar. It is a huge breakthrough that could help open a new window on the biology of a group that dominated Earth for more than 160 million years. From a report on the National Geographic: The semitranslucent mid-Cretaceous amber sample, roughly the size and shape of a dried apricot, captures one of the earliest moments of differentiation between the feathers of birds of flight and the feathers of dinosaurs. Inside the lump of resin is a 1.4-inch appendage covered in delicate feathers, described as chestnut brown with a pale or white underside. CT scans and microscopic analysis of the sample revealed eight vertebrae from the middle or end of a long, thin tail that may have been originally made up of more than 25 vertebrae. NPR has a story on how this amber was found. An excerpt from it reads: In 2015, Lida Xing was visiting a market in northern Myanmar when a salesman brought out a piece of amber about the size of a pink rubber eraser. Inside, he could see a couple of ancient ants and a fuzzy brown tuft that the salesman said was a plant. As soon as Xing saw it, he knew it wasn't a plant. It was the delicate, feathered tail of a tiny dinosaur.

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