
Nanosaurus (`small or dwarf lizard`) is the name given to a genus of dinosaur from the Late Jurassic. Described by Othniel Charles Marsh in 1877, it is a poorly known ornithischian of uncertain affinities. Its fossils are known from the Morrison Formation of Colorado and possibly Wyoming. It has often been illustrated in the popular literature (.....
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http://en.wikipedia.org/wiki/Nanosaurus

Nanosaurus, Nanosaur A dwarf (pygmy) lizard from Late Jurassic Colorado and Utah (USA). Named by Othniel Charles Marsh (1831-1899) in 1877.
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http://www.wordinfo.info/words/index/info/view_unit/1365/3
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