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| Paracynarctus : ウィキペディア英語版 | Paracynarctus
''Paracynarctus'' is an extinct genus of the ''Borophaginae'' and a terrestrial canine (Bear-dog) which inhabited most of North America during the Early Hemingfordian stage of the Early Miocene subepoch through the Early Barstovian stage of the Middle Miocene subepoch 20.6—13.6 Ma, existing for approximately .〔(PaleoBiology Database: ''Paracynarctus'' Taxonomy, Species )〕 As with other ''Borophaginae, Paracynarctus'' was a "bone-crushing dog" with powerful teeth and jaws, and hyena-like features. ==Morphology== Fossil specimens of two individuals' body mass were examined by Legendre and Roth. The first specimen was estimated to weigh . The second specimen was estimated to weigh .〔S. Legendre and C. Roth. 1988. Correlation of carnassial tooth size and body weight in recent carnivores (Mammalia).〕
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