Australopithecus boisei (2.3 to 1.4 million years ago)
Australopithecus boisei is similar in body and brain
size to A. robustus. Like members of many other Australopithecus
species, males and females of A. boisei showed marked differences in size.
Some features of A. boisei's skull, including the large grinding teeth,
are even larger than are those of A. robustus. Certain molars measure up
to two centimeters in length from front to back. A. boisei probably
inhabited mixed woodland and savanna habitats, where individuals would most
likely have eaten foods like nuts and roots.
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