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Temporal range: Miocene
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Astrapotheria
Family: Astrapotheriidae
Subfamily: Uruguaytheriinae
Genus: Uruguaytherium
Kraglievich, 1928
Type species
Uruguaytherium beaulieui
Kraglievich, 1928

Uruguaytherium is an extinct genus of astrapotherid mammal from the Miocene of South America. It was named by the Argentinean paleontologist Lucas Kraglievich in 1928, from a fragmentary fossil found in the department of Río Negro in Uruguay, and the type species is U. beaulieui. The related genera Xenastrapotherium and Granastrapotherium, which make up Uruguaytheriinae with Uruguaytherium, are also from South America. The holotype specimen of Uruguaytherium is a partial mandible (the left mandibular ramus), with a preserved third molar, or M3.[1]


  1. ^ Giollot, C; Antoine, P.O.; Tejada, J.; Pujos, F.; Salas Gismondi, R. (2011). "Middle Miocene Uruguaytheriinae (Mammalia, Astrapotheria) from Peruvian Amazonia and a review of the astrapotheriid fossil record in northern South America". Geodiversitas 33 (2): 331–345. doi:10.5252/g2011n2a8. 
  • L. Kraglievich, 1928. "Sobre el supuesto Astrapotherium Christi Stehlin descubierto en Venezuela (Xenastrapotherium n. gen.) y sus relaciones con Astrapotherium magnum y Uruguaytherium beaulieui". p. 1-16