Tehuelchesaurus

Tehuelchesaurus () is a genus of macronarian sauropod dinosaur from the Late Jurassic (Oxfordian to Tithonian) of Argentina. It is named in honor of the Tehuelche people, native to the Argentinian province of Chubut, where it was first found.

== Description == 250px|thumb|left|Paleoart|Life restoration 250px|thumb|left|Skin impressions of Tehuelchesaurus. Skin patch with small tuberculated scales. (Scale bar: 1 cm). It was a moderately large (possibly long) cetiosaur-like sauropod found in the Late Jurassic (Tithonian) Cañadon Calcareo Formation at Fernandez Estancia, Chubut Province, Patagonia, Argentina; known from the holotype MPEF-PV 1125 (Museo Paleontologico Egidio Fergulio), a 50% complete skeleton, lacking a skull, but including dorsal, sacral and caudal vertebrae, parts of the forelimbs and hindlimbs, parts of the shoulder girdle and pelvis, some rib fragments, and skin impressions.