出典:Wikipedia
出典:『Wikipedia』 (2010/12/28 19:24 UTC 版)
Hypsiops is an extinct genus of oreodont of the superfamily Merycoidodontoidea, family Merycoidodontidae endemic to North America during the Late Oligocene-Early Miocene epochs (24.8—16.3 mya), existing for approximately 8.5 million years.