Triassic–Jurassic extinction (oct 9, 251000000 BC – mar 1, 213000000 BC)
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.
Added to timeline:
Date:
oct 9, 251000000 BC
mar 1, 213000000 BC
~ 5883516 years