Maastrichtian: The Maastrichtian ( /mɑːˈstrɪktiən/) is, in the ICS geologic timescale, the latest age (uppermost stage) of the Late Cretaceous Epoch or Upper Cretaceous Series, the Cretaceous Period or System, and of the Mesozoic Era or Erathem. It spanned the interval from ... (Sixth and last age of the Late Cretaceous) [100%] 2022-11-24 [Maastrichtian] [Maastrichtian life]...
List of vertebrate fauna of the Maastrichtian stage: This is an incomplete list that briefly describes vertebrates that were extant during the Maastrichtian, a stage of the Late Cretaceous Period which extended from 72.1 to 66 million years before present. This was the last time period in ... (none) [35%] 2025-03-12 [Maastrichtian life] [Late Cretaceous vertebrates]...
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