Voronoi Paranthropus boisei - KNM ER 406

KNM ER 406 is an almost complete fossilized skull of the species Paranthropus boisei. It was discovered in Koobi Fora, Kenya by Richard Leakey and H. Mutua in 1969. It is an adult male with an estimated cranial capacity of 510 cc and age of 1.7 million years.