These are groups of significant size that survived the Cretaceous–Paleogene extinction event or arose after, but became extinct before modern times, with no living close relatives.
The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes.
These are groups of significant size that survived the Cretaceous–Paleogene extinction event or arose after, but became extinct before modern times, with no living close relatives.
The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes.