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  2. Cenozoic - Wikipedia

    en.wikipedia.org/wiki/Cenozoic

    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]

  3. Category:Cenozoic - Wikipedia

    en.wikipedia.org/wiki/Category:Cenozoic

    This category contains events which happened in the Cenozoic, a division of the geologic time scale. See geologic time scale for information about its divisions and how they relate to each other. Wikisource has original works on the topic: Cenozoic

  4. Early Eocene Climatic Optimum - Wikipedia

    en.wikipedia.org/wiki/Early_Eocene_Climatic_Optimum

    The Okanagan Highlands had a moist mesothermal climate, with bioclimatic analysis of the region yielding estimates of a mean annual temperature (MAT) of 12.7-16.6 °C, a cold month mean temperature (CMMT) of 3.5-7.9 °C, and a MAP of 103-157 cm. [6] Clumped isotope measurements from the Green River Basin and the Bighorn Basin confirm a high ...

  5. Eocene - Wikipedia

    en.wikipedia.org/wiki/Eocene

    The Eocene is not only known for containing the warmest period during the Cenozoic; it also marked the decline into an icehouse climate and the rapid expansion of the Antarctic ice sheet. The transition from a warming climate into a cooling climate began at around 49 Ma. Isotopes of carbon and oxygen indicate a shift to a global cooling climate ...

  6. Greenhouse and icehouse Earth - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_and_icehouse_Earth

    An illustration of ice age Earth at its glacial maximum. A "greenhouse Earth" is a period during which no continental glaciers exist anywhere on the planet. [6] Additionally, the levels of carbon dioxide and other greenhouse gases (such as water vapor and methane) are high, and sea surface temperatures (SSTs) range from 28 °C (82.4 °F) in the tropics to 0 °C (32 °F) in the polar regions. [7]

  7. Timeline of Cretaceous–Paleogene extinction event research

    en.wikipedia.org/wiki/Timeline_of_Cretaceous...

    Artist's depiction of the end-Cretaceous impact eventSince the 19th century, a significant amount of research has been conducted on the Cretaceous–Paleogene extinction event, the mass extinction that ended the dinosaur-dominated Mesozoic Era and set the stage for the Age of Mammals, or Cenozoic Era.

  8. Geologic temperature record - Wikipedia

    en.wikipedia.org/wiki/Geologic_temperature_record

    500 million years of climate change [7] The Phanerozoic eon, encompassing the last 542 million years and almost the entire time since the origination of complex multi-cellular life, has more generally been a period of fluctuating temperature between ice ages, such as the current age, and "climate optima", similar to what occurred in the ...

  9. Danian - Wikipedia

    en.wikipedia.org/wiki/Danian

    The Danian is the oldest age or lowest stage of the Paleocene Epoch or Series, of the Paleogene Period or System, and of the Cenozoic Era or Erathem.The beginning of the Danian (and the end of the preceding Maastrichtian) is at the Cretaceous–Paleogene extinction event.