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Thursday, February 28, 2013

Homos

hominian

HOMINID FOSSIL : adult male habilis

The word Hominids denotes all the members of the family of existence Hominidae , who have close links with our last commonality ancestor of mercifuls and living apes . This group of fossil-Hominids is included in the super family of apes , the Hominoidea and they are called as Hominoids . Our list of Hominid fossils is not a complete one yet it serves as a good outline to understand the human evolution

From the timeline of human evolution , we have chosen the species- human race habilis for our study . Homo habilis is

a well known species . The Leakey Team found this ideal in the year , 1960 , in Olduvai Gorge , Tanzania There was a controversy , up through 1970s regarding the acceptance of this model as an entirely new set of species . The material gained was deemed by the opposite researchers as not something different from the species A . africanus to kick the bucket another species . But Louis Leakey was convinced that this specimen was the same as that of the Olduvai toolmaker that he had been looking out for . Therefore , Leakey placed it instantly under the human ancestors list with H . erectus at the other end

p The Team of Leakey consisted of Louis Leakey himself , John Napier , and Philip Tobias .

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They distinguished their specimen from precontemporary Australopithecines because of the teething whose range fell outside the known range of A . africanus , they have got large incisors . Raymond Dart named it in January 1964 as Homo habilis meaning- handy man . This was due to the tool making readiness of this species

The species is said to consist of a nearly complete left field parietal , a fragmented right parietal . Its inframaxillary clay is almost complete (13 teeth , an upper torpedo , and twenty-one finger , hand and wrist bones This is deduced from the body of a 12 or 13 year sometime(a) male specimen . The traits which separate it from the other transitional species i .e . A africanus and H .erectus are

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