Extant Maastrichtian first appearances. Biological taxa that first appeared during the Maastrichtian age of geologic time, between 72.1 and 66 million years ago, that have not yet gone extinct.
Pages in category "Extant Maastrichtian first appearances"
The following 36 pages are in this category, out of 36 total. This list may not reflect recent changes.
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Extant Maastrichtian first appearances. Biological taxa that first appeared during the Maastrichtian age of geologic time, between 72.1 and 66 million years ago, that have not yet gone extinct.
Pages in category "Extant Maastrichtian first appearances"
The following 36 pages are in this category, out of 36 total. This list may not reflect recent changes.