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The Neogene (/ ˈ n iː. ə dʒ iː n / NEE-ə-jeen, [6] [7]) is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period 23.04 million years ago to the beginning of the present Quaternary Period 2.58 million years ago.
The Miocene (/ ˈ m aɪ. ə s iː n,-oʊ-/ MY-ə-seen, -oh-) [6] [7] is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words μείων (meíōn, "less") and καινός (kainós, "new") [8] [9] and means "less recent" because it has 18% fewer modern marine invertebrates ...
Subdivision of the Neogene Period according to the ICS , as of 2017 [ 1 ] The Early Miocene (also known as Lower Miocene ) is a sub-epoch of the Miocene Epoch made up of two stages : the Aquitanian and Burdigalian stages.
Subdivision of the Neogene according to the ICS, as of 2023. [3] ... It is the second and most recent epoch of the Neogene Period in the Cenozoic Era.
The Quaternary Period follows the Neogene Period and extends to the present. The Quaternary covers the time span of glaciations classified as the Pleistocene, and includes the present interglacial time-period, the Holocene. This places the start of the Quaternary at the onset of Northern Hemisphere glaciation approximately 2.6 million years ago .
The Neogene Period is a unit of geologic time starting 23.03 Ma. [10] and ends at 2.588 Ma. The Neogene Period follows the Paleogene Period.
Neogene animals of South America (4 C, 4 P) I. Neogene invertebrates (8 C, 1 P) N. Miocene animals (8 C, 4 P) P. Pliocene animals (8 C, 4 P) V. Neogene vertebrates (6 C)
The Neogene spans from 23.03 million to 2.58 million years ago. It features two epochs: the Miocene and the Pliocene. [59] The Miocene spans from 23.03 million to 5.333 million years ago and is a period in which grass spread further across, effectively dominating a large portion of the world, diminishing forests in the process.