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Archaeopteryx lithographica

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
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Noun1.Archaeopteryx lithographicaArchaeopteryx 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
archaeopteryx, archeopteryx
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 oldest known bird, Archaeopteryx lithographica, lived roughly 150 million years ago and had modern feathers.
Dinosaur fossil yields feathery structures by Wang, L. / Science News
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