Category:Maastrichtian first appearances
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Here is a list of articles in the category Maastrichtian first appearances of the Biology portal. Biological taxa that first appeared during the Maastrichtian age of geologic time, between 72.1 and 66 million years ago during the Late Cretaceous period.
Pages in category "Maastrichtian first appearances"
The following 3 pages are in this category, out of 3 total.
