// todo need optimize like in event.jsp. Add indexing or not indexing this page. Triassic–Jurassic extinction (9 oct. 251000000 av. J.-C. – 1 mars 213000000 av. J.-C.) (La bande de temps)

Triassic–Jurassic extinction (9 oct. 251000000 av. J.-C. – 1 mars 213000000 av. J.-C.)

Description:

It is believed there were several phases of species loss. The blame has been placed on an asteroid impact, climate change, and flood basalt eruptions. During the beginning of this era, mammals outnumbered dinosaurs.