Pliocene

(redirected from 2.4 million years ago)
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Synonyms for Pliocene

from 13 million to 2 million years ago

References in periodicals archive ?
They discovered that the Amazon River, and its transcontinental drainage, is around 11 million years old and took its present shape about 2.4 million years ago.
Analyses of soil from central Missouri have pinpointed just when North America's most recent spate of ice ages began: 2.4 million years ago.
Mouthing off A gene mutation unique to people decreased jaw size beginning around 2.4 million years ago and heralded brain expansion in our ancestors (165:195).
A genetic loss approximately 2.4 million years ago may have made cranial room for the bigger brains that characterize our direct evolutionary predecessors.
Prior excavations elsewhere at Sterkfontein yielded fragmentary remains of Australopithecus africanus, a human ancestor of uncertain evolutionary status dating approximately to between 3.2 million and 2.4 million years ago.