Extinct family of mammals
Uruguaytherium genus of astrapotherid mammal from the Late Oligocene to Early Miocene of South America . It was named by the Argentinean paleontologist Lucas Kraglievich in 1928, from a fragmentary fossil found in the Fray Bentos Formation of the department of Río Negro in Uruguay , and the type species is U. beaulieui [ 1] Xenastrapotherium Granastrapotherium Uruguaytheriinae with Uruguaytherium , are also from South America, although them colonizated the equatorial zone .[ 2] holotype specimen of Uruguaytherium is a partial mandible (the left mandibular ramus), with a preserved third molar , or M3 .[ 3]
Phylogeny
Cladogram based in the phylogenetic analysis published by Vallejo-Pareja et al. , 2015, showing the position of Uruguaytherium :[ 2]
References
^ Uruguaytherium Fossilworks .org^ a b M. C. Vallejo-Pareja; J. D. Carrillo; J. W. Moreno-Bernal; M. Pardo-Jaramillo; D. F. Rodriguez-Gonzalez & J. Muñoz-Duran (2015). "Hilarcotherium castanedaii , gen. et sp. nov., a new Miocene astrapothere (Mammalia, Astrapotheriidae) from the Upper Magdalena Valley, Colombia" (PDF) . Journal of Vertebrate Paleontology . 35 (2): e903960. Bibcode :2015JVPal..35E3960V . doi :10.1080/02724634.2014.903960 . S2CID 130728894 . ^ 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 . S2CID 129460591 .
Further reading
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
