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出典:Wikipedia
出典:『Wikipedia』 (2010/08/10 06:17 UTC 版)
Ischyrocyon is an extinct genus of large, mostly carnivorous mammals (bone-crushers) known as bear dogs, of the family Amphicyonidae, subfamily Amphicyoninae, which inhabited North America during the Miocene living from ~16.3—10.3 Ma and existed for approximately 6 million years.
Ischyrocyon