†suborder Hegetotheria Simpson 1945 (notoungulate)

Mammalia - Notoungulata

Full reference: G. G. Simpson. 1945. The principles of classification and a classification of mammals. Bulletin of the American Museum of Natural History 85:1-350

Parent taxon: Notoungulata according to G. G. Simpson 1967

See also McKenna 1975 and Reguero et al. 2008

Sister taxa: Acoelodus, Albertogaudryidae, Allalmeia, Archaeopithecidae, Archaeoplus, Archaeotypotherium transitum, Brandmayria, Brandmayria simpsoni, Carolodarwinia, Carolodarwinia pyramidentata, Claenodon patagonicus, Degonia sympathica, Edvardocopeia, Edvardocopeia sinuosa, Entelonychia, Epitypotherium cancellatum, Eudiastatus, Henricosborniidae, Homalodotheria, Isotypotherium, Lophiodonticulus, Lophiodonticulus patagonicus, Lophiodonticulus retroversus, Notioprogonia, Notopithecidae, Notopithecus summus, Notostylopidae, Oldfieldthomasiidae, Ortholophodon, Pleurystylops, Pleurystylops glebosus, Procolpodon, Procolpodon foratus, Puelia, Puelia plicata, Pyramidon, Pyramidon klaatschi, Tonostylops, Tonostylops spissus, Toxodontia, Trimerostephanos ultimus, Typotheria, Typotheroidea, Ultrapithecus robustus

Subtaxa: Archaeohyracidae Eohegetotherium Pseudopachyrucos

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Ecology: scansorial herbivore

Distribution:

• Deseadan of Argentina (12 collections), Bolivia (4)

• Oligocene of Argentina (10), Chile (1)

• Eocene to Oligocene of Argentina (3)

• Eocene to Miocene of Argentina (1)

• Eocene of Argentina (22), Peru (1)

Total: 54 collections including 82 occurrences

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