The Bone Clones Hominid Skulls Collection are high quality casts of key fossil discoveries, including anatomically modern humans, archaic humans, early Homo, and other hominins, representing a valuable addition to anthropological and evolutionary studies.
These two important Homo ergaster fossils, found in Kenya, offer rare insight into early human evolution.
KNM-ER 3733 (1.75 MYA), discovered in 1975 at Koobi Fora, is a well-preserved cranium with several intact teeth but no mandible. With a cranial capacity of 850 cc, this specimen shows characteristic H. erectus features such as a keeling of the cranium and occipital torus. Its gracile build, tooth wear, and closed cranial sutures suggest it belonged to a mature female. Found in the same sediment layer as A. boisei KNM-ER 406, this skull provided key evidence against the "single species hypothesis."
KNM-WT 15000 (1.6 MYA), also known as "Turkana Boy" or "Nariokotome Boy," was discovered in 1984 at Nariokotome. This remarkably complete skeleton (about 40%) belongs to an 11–12-year-old male. Its estimated cranial capacity is 880–909 cc, depending on projected adult size. The completeness of the find has allowed scientists to study growth patterns, limb proportions, and overall body structure of H. ergaster in unprecedented detail.
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