Period · Cenozoic
Neogene
23–2.58 Ma
The Neogene is a period within the Cenozoic, spanning roughly 23 to 2.58 million years ago. Modern-looking faunas; megalodon teeth from Bone Valley, Calvert Cliffs and Lee Creek are Miocene–Pliocene.
| Rank | period· Paleobiology Database |
|---|---|
| Base | 23 Ma· Paleobiology Database |
| Top | 2.58 Ma· Paleobiology Database |
| Duration | 20.5 Myr· Paleobiology Database |
| Chart | ICS International Chronostratigraphic Chart v2023/09 (ages from Macrostrat/PBDB interval tables) |
Elsewhere
Cite this article
Stratum Study. "Neogene" (Time interval). Stratum Study pack 2026.09, as of 2026-09-19. https://stratum.black/study/time/neogene. Accessed 2026-09-20.
@misc{stratum-neogene,
title = {Neogene},
author = {{Stratum Study}},
howpublished = {\url{https://stratum.black/study/time/neogene}},
year = {2026},
note = {Time interval article, Stratum Study pack 2026.09, as of 2026-09-19; sources: stratum, pbdb. Accessed 2026-09-20.}
} Citations carry the pack version and the article's as-of date so they resolve to the same text later. The facts themselves belong to the sources listed below; cite those for the science.