triásica 277
Triassic , ca . ( Of the g t?, set of three by three orders of rocks in the grounds of Germany where it was described). 1. adj. Géol. Says of the first period of the Mesozoic era, spanning from ago 245 million years ago up 208 million years ago, characterized by the appearance of dinosaurs and the predominance of conifers. U t. c. s. m. Or RTOGR. ESCR. with may. initial c. s. 2. adj. Geol. Belonging or relating to this period.