Image: Front view of Proconsul heseloni skull cast

Front view of Proconsul heseloni skull cast

Name: Proconsul heseloni
Where specimen was found: Rusinga Island, Lake Victoria, Western Kenya
Distribution of species: Eastern Africa
Known date of species: 19-17 mya
Date of specimen: about 18 mya
Brain size: smaller than chimpanzee, about 320cc
 

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