The Cenozoic era comprises two divisions,-theTERTIARY period and the QUATERNARY period.
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These two ages are called the Mesozoic or Secondary, and the Cenozoic or Tertiary.
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Representatives of the foraminifer Nummulites are important in Earth history for timing Cenozoic shallow-water carbonates.
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The Cenozoic era had volcanic activity and geological unrest.
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Anna stood in the archway of the Gothic old building, motionless, like her Cenozoic comrades.
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Molecular phylogenetic analysis of nuclear genes suggests a Cenozoic over-water dispersal origin for the Cuban solenodon.
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In geologic time, the beds are a part of the Oligocene epoch of the Cenozoic era.
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In the early part of the fourth great geological Time-theCenozoic-nearlythe whole continent was above water.
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There is a laboratory of invertebrate paleontology of Cenozoic and Mesozoic age, with a corps of paleontologists.
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In western North America, on the other hand, the strata of the Mesozoic-andof the Cenozoic also-arewidely spread.
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Sometimes too you will see the term Phanerozoic used to describe the span encompassing the Cenozoic, Mesozoic, and Paleozoic eras.
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The fourth section of the organic history of the earth, the Tertiary or Cenozoic age, was much shorter than the preceding.
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In consequence giant carnivores would find no field for action in the Cenozoic world, and hence they have not been evolved.
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The Mesozoic era has three periods, the Triassic, Jurassic and Cretaceous, while the Cenozoic era names five periods,-theEocene, Oligocene, Miocene, Pliocene and Pleistocene.
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These (including man) are much younger, and we do not find indisputable fossil remains of them until the Cenozoic age, or the Tertiary period.
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Fire-adapted traits evolved slowly in the Cretaceous, 120-65 Mya, and rapidly but fitfully in the Cenozoic, 65-0 Mya, peaking over the last 20 My.