Fossil:

OH 5

Source: Casts of original fossil

Site:

Olduvai Gorge (FLK, Bed 1)
Tanzania (4, 1)

Discovered By:

Mary Leakey
1959 (1)

Estimated Age of Fossil:

1.8 mya
* determined by Stratigraphic, faunal, paleomagnetic & radiometric data (1, 4, 5, 6)

Species Name:

Paranthropus boisei (23, 24)
Australopithecus boisei (1)

Gender:

Male (based on sagittal crest) (1, 4)

Cranial Capacity:

530 cc (4)

Information:

Discovery shifted focus of paleoanthropology to East Africa (1)

Interpretation:

Young adult (based on open sutures and 3rd molar eruption) (4)
Large, massive molars used to crush vegetation (1, 4)

Nickname:

Zinj (1)
Nutcracker Man