Quaternary Extinction Event (CEC)
Quaternary Extinction Event, 11,500 BC to 10,000 BC
- Thirty-three genera of animals disappear
- Twelve large herbivore families (American Horse, Western Camel, Ground Sloth, Mammoth, Mastadon, etc.)
- Five large carnivore families (Dire Wolf, Short-Faced Bear, Sabre-Toothed Cat, etc.)
- May have been a natural cycle (North Atlantic Conveyor)
- May have been an unusual occurrence (space weather/asteroid/volcanoes)
- Human hunting over killed weakened species
- Average temperature dropped eighteen degrees Fahrenheit
- Ended with a fifteen year warm up to pre-Younger Dryas levels.
- May have killed off the Clovis people