devónica 268
Devonian , ca . ( Of Devonshire , English County with rocks of this period). 1. adj. Géol. Said of the fourth period of the Paleozoic era spanning from ago 408 million years ago to 360 million years ago, characterized by the appearance of amphibians, freshwater fish and coral formations. U t. c. s. m. Or RTOGR. ESCR. with may. initial c. s. 2. adj. Geol. Belonging or relating to this age.