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Ectoconus
''Ectoconus'' is an extinct genus of terrestrial herbivorous mammal of the family Periptychidae, endemic to North America during the Early Paleocene subepochs (66—63.3 mya) existing for approximately .〔(PaleoBiology Database: ''Bathygenys'', basic info )〕 ==Taxonomy== ''Ectoconus'' was stoutly built, sheep-sized condylarth and had a small braincase, short, strong limbs and a heavy tail. Its feet had five hooved digits much in the manner of extremely primitive ungulates. It was named by Cope (1884) and was synonymized subjectively with ''Conoryctes'' by Cope (1885). It was assigned to ''Periptychidae'' by Cope (1884), Cope (1888), Osborn and Earle (1895), Matthew (1937) and Carroll (1988); and to Periptychinae by Archibald (1998) and Eberle (2003). Nearly complete skeletons of ''Ectoconus'' have been found in New Mexico and it is one of the most completely known Paleocene mammals.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Ectoconus」の詳細全文を読む
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