pérmico 191
Permian , ca . 1. adj. Géol. He is the sixth and final period of the Paleozoic era spanning from ago 286 million years to 245 million years ago, characterized by the elevation of the continents and the extinction of many groups of invertebrates. U t. c. s. m. Or RTOGR. ESCR. with may. initial c. s. 2. adj. Géol. Belonging or relating to this period.