13 janv. 247844445 av. J.-C. - Permo-Triassic Extinction
Description:
largest extinction known; 95% of all species and about 60% genera died out; cause might have been global cooling, volcanic eruptions or a decrease in the continental shelf area during the formation of Pangaea. No dinosaurs but many amphibians and some reptiles. Corals appeared and ammonites recovered.Ajouté au bande de temps:
Date:
13 janv. 247844445 av. J.-C.
Maintenaint
~ Il y a 5883516 ans