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Neogene animals of North America (8 C, 4 P) Neogene animals of Oceania (6 C, 1 P) Neogene animals of South America (4 C, 4 P) I. Neogene invertebrates (8 C, 1 P) N.
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.
Pages in category "Neogene animals of North America" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. E.
Index fossils must have a short vertical range, wide geographic distribution and rapid evolutionary trends. Another term, "zone fossil", is used when the fossil has all the characters stated above except wide geographical distribution; thus, they correlate the surrounding rock to a biozone rather than a specific time period.
The Neogene spans from 23.03 million to 2.58 million years ago. It features two epochs: the Miocene, and the Pliocene. [23] The Miocene Epoch spans from 23.03 to 5.333 million years ago and is a period in which grasses spread further, dominating a large portion of the world, at the expense of forests.
The universal tetrapod characteristics of front limbs that bend backward at the elbow and hind limbs that bend forward at the knee can plausibly be traced to early tetrapods living in shallow water. [18] Panderichthys is a 90–130 cm (35–50 in) long fish from the Late Devonian period (380 Mya). It has a large tetrapod-like head.
Prehistoric animals that lived during the Miocene epoch, of the Neogene Period during the Cenozoic Era Subcategories. This category has the following 8 subcategories ...
Neogene life of South America (3 C) A. Neogene animals (10 C) E. Neogene extinctions (4 C) F. Neogene first appearances (5 C, 1 P) Neogene fossil record (3 C, 9 P)