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Home Base H. erectus Fossil Sites Nariokotome

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    Story of Sapiens


    Site Type:
    Fossil Site
    West Turkana, Kenya

    Notable Discoveries:
    KNM-WT 15000

    KNM-WT 15000

    H. erectus
    Year of Discovery:
    1984 [1]
    Discovered by:
    Kamoya Kimeu [1][2]
    Geological Age:
    About 1.6 million years old [1]
    1.5 to 1.6 million years old [2]
    Cultural Attribution:
    Acheulean [1][2]
    Developmental Age:
    8-9 Years Old [1]
    7-11 Years Old [2]
    Presumed Sex:
    Male [1][2]
    Preserved Skeletal Party:
    Nearly complete
    Preservation Details:
    The specimen comprises 108 bones, making it the most complete early human skeleton discovered. [2]
    The only major omissions are the hands and feet. [4]
    Anatomical Description:

    Additional Notes:





    [2] –
    [3] –
    [4] –


    Story of Sapiens

    Source: [3]


    Story of Sapiens

    Source: [1]


    Story of Sapiens

    Source: [4]


    Story of Sapiens

    Source: Encyclopedia of Human Evolution and Prehistory: Second Edition

    Nariokatome Member

    Upper Lower Pleistocene member of the Nachukui Formation, western Turkana Basin, Kenya. It spans the interval from Lower Nariokotome Tuff (1.3 Ma) to a level above Silbo Tuff (0.74 Ma), and it is temporally equivalent to all but the basal part of the Chari Member of the Koobi Fora Formation and to Member L of the Shungura Formation.


    Nariokotome Site 3 (NK3)

    Lower Pleistocene hominin site in western Turkana Basin, Kenya. Nariokotome is a major ephemeral stream west of Lake Turkana at about 4’10’N, on the south back of which a nearly complete skeleton, KNM-WT-15000, was found in 1984. Only distal hand and foot elements are missing from the remains of a young male, ca. 160 cm tall at death, identified as Homo erectus (or H. ergaster). The site is in flood-deposited brown mudstone of the Natoo Member of the Nachukui Formation. The fossiliferous level overlies a correlative of the Lower Kobi Fora Tuff and underlies the Lokapetamoi Tuff, neither of which has been directly dated. The human remains are estimated to date 1.53 +- 0.05 Ma based on extrapolation from sedimentation rates between higher and lower dated levels, such as the Nariokotome Tuff (dated to 1.33 +- 0.05 Ma) and the KBS Tuff (1.89 +- 0.02 Ma).

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