1 jan 300000 ano antes da era comum - Early Homo Sapiens

Descrição:

The term Middle Paleolithic is intended to cover the time between the first emergence of H. sapiens (roughly 300,000 years ago) and the emergence of full behavioral modernity (roughly by 50,000 years ago, corresponding to the start of the Upper Paleolithic).

https://en.wikipedia.org/wiki/Homo_sapiens#Age_and_speciation_process

https://en.wikipedia.org/wiki/Chromosome_2