Pliocene: 5.3-1.6mya (apr 17, 5300000 BC – apr 17, 1600000 BC)
Description:
Climate: Antarctica freezes overBrief warm period
Colder again
Northern ice cap forms
Continental movement: Continues
Australia: Colliding with Timor region. Migration of plants and animals from north
Tasmania: Gets to latitude 42° south. Cool, temperate, and moist.
Vegetation history: 5mya sub-tropical species migrate to refuge in Queensland and New Guinea
Invasion by Asian plants from the north. Myrtacea dominates.
2mya Dry sclerophyll, woodlands, and deserts expand.
Added to timeline:
Date:
apr 17, 5300000 BC
apr 17, 1600000 BC
~ 3702458 years
