![]() related to both humans and chimpanzees, but not an ancestor of eitherīrunet disputes these interpretations and cites a study done in 2005 as conclusive evidence for his claims.a common ancestor of humans and chimpanzees.tchadensis has advanced features, such as a thickened brow ridge, that are more similar to those of later fossil Homo and different from all australopithecines. If the remains are from a direct human ancestor, then the status of the australopithecine group as human ancestors is questioned. tchadensis has numerous derived hominin features and is therefore the oldest known human ancestor after the split of the human line from that of the chimpanzees. Does it belong on our family tree or is it an ancestor of a gorilla or chimpanzee? If it does belong on our family tree, was it a direct ancestor or a distant hominin 'cousin'? DistributionĪll fossils have been recovered from Toros-Menalla in the Djurab desert of Chad, Africa. Combined, the name means 'the Sahel man from Chad'. The species name is based on Chad, in recognition that all specimens were recovered from that country. ‘Sahel’ is the area of Africa near the southern Sahara where the fossils were found and ‘anthropus’ is based on the Greek word meaning ‘man’. ![]() As most of the diagnostic features are missing, the question of whether the femur represents a biped (or hominin) is extremely difficult. The femur was not recognised as possibly belonging to a hominid until 2004. Taphonomic analysis reveals that the various pieces may not have been deposited at the same time, perhaps they were even transported and reburied in modern times. However, they are not confirmed as belonging to the same species as the cranial remains. Two other possible hominin bones (a left femur and a mandible) were found alongside these remains, as were various mammal pieces. It was somewhat crushed and distorted when first discovered and some of its detail had been eroded by blowing sand. The cranium (TM 266-01-060-1) was made the type specimen. The finds included several jaw pieces, some teeth and a small but relatively complete cranium nicknamed Toumaï (‘hope of life’ in the local language). The team announced the new species in 2002. The discovery of six fossils (with identification numbers starting with TM 266) was made by a team, lead by Michel Brunet, between July 2001 and March 2002. This was possible because many of the fossil animals found at the site were identical to specimens that had been radiometrically dated elsewhere. The site lacked volcanic ash layers so was not suited to using radiometric dating techniques. This is a key date as it is about the time that scientists believe the human-line diverged from the ape-line. All rights reserved.The remains are dated to 6-7 million years old. Them Bones \nEzekiel cried, "Them bones!"\nEzekiel cried, "Them dry bones!"\nEzekiel cried, "Them bones!"\nSo hear me when I say:\n*\nThe foot-bone connects to the ankle-bone.\nThe ankle-bone connects to the leg-bone.\nThe leg-bone connects to the knee-bone.\nNow hear me when I say:\n*\nThem bones, them bones\nGonna jump around\nThem bones, them bones\nGonna jump around\nThem bones, them bones\nGonna jump around\nSo hear me when I say:\n*\nThe knee-bone connects to the thigh-bone.\nThe thigh-bone connects to the hip-bone.\nThe hip-bone connects to the back-bone.\nNow here me when I say:\n*\nThem bones, them bones\nGonna dance around\nThem bones, them bones\nGonna dance around\nThem bones, them bones\nGonna dance around\nNow hear me when I say:\n*\nThe back-bone connects to the shoulder-bone.\nThe shoulder-bone connects to the neck-bone.\nThe neck-bone connects to the head-bone.\nNow hear me when I say:\n*\nThem bones, them bones\nGonna twirl around\nThem bones, them bones\nGonna twirl around\nThem bones, them bones\nGonna twirl around\nNow hear me when I say:\n*\nEzekiel cried, "Them bones!"\nEzekiel cried, "Them dry bones!"\nEzekiel cried, "Them bones!"\nNow hear me when I say,\nOh hear me when I say.\n.\nRecorded by Dianne Christensen (singer), Jeffery Lee Davis, and Eileen Hemphill-Haley.
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