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Category:Maastrichtian first appearances

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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.

Subcategories

This category has the following 3 subcategories, out of 3 total.

Pages in category "Maastrichtian first appearances"

The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes.