Olduvai Hominid number 9 (OH 9), known as the Chellean Man, is a fossilized skull cap of an early hominin, found in LLK II, Olduvai Gorge by Louis S. B. Leakey in 1960. [1] It is believed to be ca. 1.4 million years old. Its cranial capacity is estimated at than 1067 cm 3, the largest value among all known African Homo erectus specimens. [2]

Feb 6, 2025 · Homo erectus: Advanced Hominins: Fossils of Homo erectus, dating to around 1.2 million years ago, have also been found in Olduvai Gorge. This species exhibited more advanced tool-making skills and greater mobility, as evidenced by their widespread distribution across Africa and …

Homo habilis, probably the first early human species, occupied Olduvai Gorge approximately 1.9 million years ago (mya); then came a contemporary australopithecine, Paranthropus boisei, 1.8 mya, followed by Homo erectus, 1.2 mya.

When scientists discover a fossil skull, they compare it to skulls that have already been identified as particular early human species. Now you get to be the scientist!

Louis Leakey discovered the skull of OH 9 on the 2nd of December 1960, at Olduvai Gorge in Tanzania. He had been visiting some sites with a geologist when he noticed a small gulley with fossils eroding on the surface.

Feb 3, 2025 · Thus, in 1960, parts of a skeleton of Homo erectus, which is considered the direct ancestor of modern humans (Homo sapiens), as well as fragments of the skeleton of Homo habilis, were found in the Olduvai Gorge. And while erectus had been found before in Asia and Europe, the habilis found in Olduvai was the first discovery of such kind.

Jan 3, 2024 · OH 24 is the oldest fossil skull found at Olduvai Gorge; besides OH 5, it is the most complete. Its third molars had erupted, so we know it was an adult at death, yet the molars show no sign of wear, indicating that this individual probably died soon after their eruption.

Homo erectus of Africa is designated as Homo ergaster. Fossil remains of Olduvai Gorge have placed the site as the Homeland of Mankind. Beginning from 2 million years Paranthropus , Homo habilis and Homo ergaster Species evolved and roamed the grounds of Olduvai basin.

Feb 7, 2025 · H. erectus was a human of medium stature that walked upright. The braincase was low, the forehead was receded, and the nose, jaws, and palate were wide. The brain was smaller and the teeth larger than in modern humans. H. erectus appears to have been the first human species to control fire, some 1,000,000 years ago.

Feb 7, 2025 · Some of the more convincing evidence for the existence of H. erectus in Africa came with the discovery in 1960 of a partial braincase at Olduvai Gorge in Tanzania. This fossil, catalogued as OH 9, was excavated by Louis S.B. Leakey and is …