It is estimated to be 1.5-1.8 million years old.
Its characteristics include large cheek teeth and a sagittal crest. The large teeth and crest for attaching chewing muscles indicate a diet consisting mainly of coarse vegetable matter.
"Images of SK46". Retrieved 2013-02-08.
- Larsen, Clark Spencer, Matter, Robert M, Gebo, Daniel L (1991). Human Origins: the fossil record. Waveland Press, Prospect Heights, IL. ISBN 0-88133-575-4.
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