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Cynarctoides : ウィキペディア英語版 | Cynarctoides
''Cynarctoides'' is an extinct genus of terrestrial canine of the family ''Borophaginae'' and tribe Phlaocyonini which inhabited most of North America during the Whitneyan stage of the Early Oligocene to the Barstovian stage of the Middle Miocene 33.3—13.6 Mya existing approximately . ==Origin== ''Cynarctoides'' is derived from the ''Nothocyon'' and gave rise to ''Borophaginae'', a short-face, heavy-jawed canine usually massive in size. ''Cynarctoides'' shared part of its period of time with a variety of bear dogs like ''Aelurodontina'', ''Tomarctus'' and the giant mustelid genus of bone-crushing canidae.
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「Cynarctoides」の詳細全文を読む
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