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Archaeopteryx lithographica

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Noun1.Archaeopteryx lithographica - extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bonesArchaeopteryx lithographica - extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds
bird - warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
genus Archaeopteryx, genus Archeopteryx - a genus of fossil birds


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The famous fossil, the Thermopolis specimen of Archaeopteryx lithographica, made its way by truck from the Wyoming Dinosaur Center to the Stanford Synchrotron Radiation Lightsource (SSRL) in California, where it was meticulously scanned by one of the world's most powerful X-ray machines, a building-sized device created for physics research.
About the size and shape of a European magpie, Archaeopteryx lithographica appeared on the scene around 150 million years ago, in the Jurassic era.
The oldest known bird, Archaeopteryx lithographica, lived roughly 150 million years ago and had modern feathers.
 
 
 
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