Szalay, Frederick S. Department of Vertebrate Paleontology, American Museum of Natural History, New York, New York.
Last reviewed:October 2019
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A relatively small order of extinct South American ungulates in the infraclass Eutheria, known from the late Paleocene to the late Miocene. Members of the order Astrapotheria are customarily divided into two suborders: the late Paleocene–Eocene Trigono-stylopoidea and the early Eocene–late Miocene Astrapotheroidea. Eocene members of the order, such as Albertogaudrya, tended to be large animals and exhibited an enlargement of the canines, which was characteristic of later astrapotheres. See also: Archaic ungulate; Eutheria; Mammalia
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