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Nanotragulus : ウィキペディア英語版 | Nanotragulus
''Nanotragulus'' is an extinct genus belonging to the family Hypertragulidae, within the order Artiodactyla, endemic to North America, Europe, and Asia during the Eocene through Miocene, living 46.2–13.6 Ma, existing for approximately .〔(PaleoBiology Database: ''Nanotragulus'', basic info )〕 ''Nanotragulus'' was a primitive and ancient ruminant, resembling small deer or musk deer, although more closely related to the modern chevrotain. Its diet is stated to be that of a frugivore. ==Taxonomy== ''Nanotragulus'' was named by Lull (1922). It was assigned to Cervidae by Cook (1934); and to Hypertragulidae by Lull (1922), Matthew (1926) and Carroll (1988).〔H. J. Cook. 1934. New artiodactyls from the Oligocene and Lower Miocene of Nebraska. American Midland Naturalist 15(2):148–165〕〔W. D. Matthew. 1926. On a new primitive deer and two traguloid genera from the Lower Miocene of Nebraska. American Museum Novitates 215:1-8〕〔R. L. Carroll. 1988. Vertebrate Paleontology and Evolution. W. H. Freeman and Company, New York 1-698〕
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