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出典:Wikipedia
出典:『Wikipedia』 (2010/09/01 23:25 UTC 版)
Behemotops is an extinct genus of herbivorous marine mammal of the family Desmostylidae living from the Rupelian stage of the Early Oligocene subepoch through the Late Oligocene subepoch (33.9 mya—23 Mya) and in existence for approximately 10.9 million years.
behemotops