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Patagonykus
''Patagonykus'' is a genus of theropod dinosaur from the Upper Cretaceous of Argentina. This alvarezsaur was discovered in exposures of the Portezuelo Member (Turonian-Coniacian) of the Rio Neuquen Formation in the Neuquen Province of Argentina. The holotype consists of an incomplete but well-preserved skeleton, lacking a skull, but including many vertebrae, the coracoids, a partial forelimb, pelvic girdle, and hindlimbs. ''Patagonykus'' ("Patagonian claw") has been classed with the Alvarezsauridae, a family which includes such taxa as the Mongolian ''Mononykus'' and the Argentinian ''Alvarezsaurus''. ''Patagonykus'' is estimated to have been approximately two meters in length. ==References==
*Novas, F. E. 1997. Anatomy of ''Patagonykus puertai'' (Theropoda, Avialae, Alvarezsauridae), from the Late Cretaceous of Patagonia. ''Journal of Vertebrate Paleontology'' 17(1); 137-166. *Novas, F. E. and Molnar, R. E. (eds.) 1996. Alvarezsauridae, Cretaceous basal birds from Patagonia and Mongolia. ''Proceedings of the Gondwanan Dinosaur Symposium'', Brisbane. ''Memoirs of the Queensland Museum'' 39(3):iv + 489-731; 675-702.
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