The first epoch of the Paleogene period, spanning 66 million to 56 million years ago, immediately following the Cretaceous-Paleogene extinction event. It covers the early recovery and diversification of mammal, bird and plant life into the ecological niches left vacant by the extinction of the non-avian dinosaurs. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Start (Million Years Ago) End (Million Years Ago) Connections
Has Geologic Rank
In Discipline
Precursor To
Sources
1. Paleogene (Wikipedia)
Wikimedia FoundationLead sectionQuote, Lead section
Much of the world's modern vertebrate diversity originated in a rapid surge of diversification in the early Paleogene, as survivors of the Cretaceous-Paleogene extinction event took advantage of empty ecological niches left behind by the extinction of the non-avian dinosaurs, pterosaurs, marine reptiles, and primitive fish groups.
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