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During the Cenozoic, mammals proliferated from a few small, simple, generalised forms into a diverse collection of terrestrial, marine, and flying animals, giving this period its other name, the Age of Mammals. The Cenozoic is just as much the age of savannas, the age of co-dependent flowering plants and insects, and the age of birds. [40]
The Quaternary (/ k w ə ˈ t ɜːr n ə r i, ˈ k w ɒ t ər n ɛr i / kwə-TUR-nə-ree, KWOT-ər-nerr-ee) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS), as well as the current and most recent of the twelve periods of the Phanerozoic eon. [3]
The Late Cenozoic Ice Age began 34 million years ago, its latest phase being the Quaternary glaciation, in progress since 2.58 million years ago. Within ice ages, there exist periods of more severe glacial conditions and more temperate conditions, referred to as glacial periods and interglacial periods , respectively.
History portal; Art of Europe; Geologic time scale; List of fossil sites with link directory. List of timelines around the world. Logarithmic timeline shows all history on one page in ten lines. Orders of magnitude (time) Periodization for a discussion of the tendency to try to fit history into non-overlapping periods. Time. Planck Time
The Meghalayan age is the name given in 2018, by the International Commission on Stratigraphy, to the current age or latest geologic age – or uppermost stage of the Quaternary. [3] It is also the upper, or latest, of three subdivisions of the Holocene epoch or series .
The history of nature from the Big Bang to the present day with notable events annotated. Every billion years (Ga) is represented by 90 degrees of rotation of the spiral. The last 500 million years are represented in a 90-degree stretch for more detail on our recent history.
The Quaternary Period, the Cenozoic Era geologic time unit from the end of the Pliocene Epoch, roughly 1.8−1.6 million years ago, to the present day. The Quaternary has 2 geologic/geochronologic subdivisions, the Pleistocene and the Holocene Epochs .
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