PALEOZOIC ERA (1 янв 542000000 г. до нашей эры – 30 дек 251000000 г. до нашей эры)
Описание:
GEOLOGICAL:-Start of Andean-Saharan ice age.
- Atmospheric oxygen levels reach over 30%
BIOLOGICAL:
-Animals with shells appear
-Ferns and seed-bearing plants appear
GEORGIA:
-the sea flooded over the eastern edge of North America, a thick sequence of shallow marine sediments was deposited
Добавлено на ленту времени:
Дата:
1 янв 542000000 г. до нашей эры
30 дек 251000000 г. до нашей эры
~ 5883516 years