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Nanosaurus
A cast of a Nanosaurus agilis skeleton
Scientific classification
Kingdom: Animalia
Phylum: Chordata
clade: Dinosauria
Order: Ornithischia
Family: Nanosauridae
Marsh, 1877
Genus: Nanosaurus
Marsh, 1877
Species: N. agilis
Binomial name
Nanosaurus agilis
Marsh, 1877

Nanosaurus (meaning "small or dwarf lizard") is the name given to a genus of ornithischian 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 (as a "tiny dinosaur"), leaving the impression that more is known about it than actually is. Most representations are actually of what is now called Othnielosaurus or Othnielia.

Gallery

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