Diplasiotherium

Diplasiotherium
Temporal range: Miocene–Pliocene
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Superorder: Meridiungulata
Order: Litopterna
Family: Proterotheriidae
Genus: Diplasiotherium
Rovereto, 1914
species
  • Diplasiotherium pampa Soria, 2001
  • Diplasiotherium robustum Rovereto, 1914 (type species)

Diplasiotherium is an extinct genus of herbivore litoptern belongs to the family Proterotheriidae, that lived between the late Miocene and the early Pliocene (in the SALMAs Huayquerian and Montehermosan).[1] The fossils of this animal have been found in Argentina, in the Monte Hermoso Formation.[2]

Diplasiotherium is distinguished from other proterotheriids by the crown of its molars, which were higher than in other related genera (protohypsodont), and by its larger body size; the species D. robustum reached 395 kg in weight, making it the largest known proterotheriid.[3]

References

  1. A. L. Villafañe, E. Ortiz-Jaureguizar, M. Bond, 2006. Cambios en la riqueza taxonómica y en las tasas de primera y última aparición de los Proterotheriidae (Mammalia, Litopterna) durante el Cenozoico. Estudios Geológicos, 62 (1) enero-diciembre 2006, 155–166.
  2. Rovereto, Cayetano. 1914. Los estratos Araucanos y sus fósiles. Anales del Museo Nacional de Historia Natural de Buenos Aires 25: 1–247.
  3. Villafañe, A. L. (2005). Paleoecología de los Proterotheriidae (Mammalia, Litopterna): Un estudio basado en los cambios en la masa corporal. Tesis de Licenciatura (inédita), Facultad de Ciencias Naturales (sede Trelew), Universidad de la Patagonia San Juan Bosco, 145 págs.
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