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  1. Fred Ruhe

    Time calibration and Linnean ranks in birds

    The age of Vegavis iaai Clarke, Tambussi, Noriega, Erickson et Ketcham, 2005 is clear: Late Cretaceous, Middle to Late Maastrihtian, 68,0-66,0 MYa. At the moment classified as: Parvclassis Neornithes Gadow, 1893 Cohort Neognathae Pycraft, 1900 Subcohort Galloanseres (Sibley, Ahlquist et Monroe...
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