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''Psittacotherium'' is an extinct genus of taeniodont from the Paleocene of North America. With a weight of about 50 kg and a length over 1.1 m (3.5 ft), it had the size of a large dog.〔http://www.paleocene-mammals.de/taeniodonts.htm〕 == Sources == *''Mammoths, Sabertooths, and Hominids'' by Jordi Agusti and Mauricio Anton *''The Beginning of the Age of Mammals'' by Kenneth D. Rose *''Classification of Mammals'' by Malcolm C. McKenna and Susan K. Bell *''Evolution of Herbivory in Terrestrial Vertebrates: Perspectives from the Fossil Record'' by Hans-Dieter Sues 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「Psittacotherium」の詳細全文を読む スポンサード リンク
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