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Primate phylogeny and immunological distance.

C O Lovejoy, A H Burstein, K G Heiple

    Science (New York, N.Y.)
    |May 19, 1972
    PubMed
    Summary
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    The divergence of Pongidae and Hominidae occurred at least 14 million years ago. This recalculation used corrected immunological distance and generation length data.

    Area of Science:

    • Paleoanthropology
    • Evolutionary Biology
    • Primate Genetics

    Background:

    • The precise timing of the split between great apes (Pongidae) and humans (Hominidae) is crucial for understanding primate evolution.
    • Previous estimates have varied due to methodological differences in molecular clock analyses.

    Purpose of the Study:

    • To recalculate the divergence time between Pongidae and Hominidae.
    • To refine evolutionary timelines using updated data and methods.

    Main Methods:

    • Correction of immunological distance data.
    • Inclusion of generation length in molecular clock calculations.
    • Recalibration of divergence dates.

    Main Results:

    • Minimum divergence date estimated at approximately 14 million years ago.

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  • The corrected data provides a more robust estimate for this key evolutionary event.

    • Conclusions:

    • The Pongidae-Hominidae split is placed at a minimum of 14 million years ago.
    • This revised timeline has significant implications for primate evolutionary studies.