Sentences with phrase «ma coeval»
As significant hominin brain expansion occurred at ∼ 1.8 Ma coeval with occurrence of massive ephemeral deep - water lakes, while subsequent expansions are associated with extreme dry periods.
http://journals.plos.org/ Not exact matches
The major step-wise expansion in brain size around 1.9 Ma when Homo appeared was coeval with the occurrence of ephemeral deep lakes.