The Cretaceous–Paleogene boundary, a major prehistoric global extinction event. During the Cretaceous period of late Mesozoic Era and Paleogene period of the early Cenozoic Era, in the Phanerozoic Eon.
This category has only the following subcategory.
- ► Ojo Alamo Formation (12 P)
Pages in category "Cretaceous–Paleogene boundary"
The following 26 pages are in this category, out of 26 total. This list may not reflect recent changes (learn more).