Time

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(Table of geologic time)
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| rowspan="2" colspan="2" style="{{Color-Cretaceous}}" | [[Cretaceous]]
| rowspan="2" colspan="2" style="{{Color-Cretaceous}}" | [[Cretaceous]]
| style="{{Color-Late-Cretaceous}}" | [[Late Cretaceous|Upper/Late]]
| style="{{Color-Late-Cretaceous}}" | [[Late Cretaceous|Upper/Late]]
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| rowspan="2" style="background-color:white" | [[Flowering plant]]s proliferate, along with new types of insects. More modern [[teleost]] fish begin to appear. [[Ammonite]]s, [[Belemnoidea|belemnites]], [[rudist]] [[Bivalvia|bivalve]]s, [[Echinoidea|echinoid]]s and [[Porifera|sponges]] all common. Many new types of [[dinosaur]]s (e.g. [[Tyrannosauridae|Tyrannosaurs]], [[Titanosauridae|Titanosaurs]], [[Hadrosauridae|duck bills]], and [[Ceratopsidae|horned dinosaurs]]) evolve on land, as do [[Crocodilia|modern crocodilians]]; and [[mosasaur]]s and modern sharks appear in the sea. Primitive [[bird]]s gradually replace pterosaurs. [[Monotremes]], [[marsupial]]s and [[Eutheria|placental]] mammals appear. Break up of [[Gondwana]].
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| rowspan="2" style="background-color:white" | [[Flowering plant]]s proliferate, along with new types of insects. More modern [[teleost]] fish begin to appear. [[Ammonite]]s, [[Belemnoidea|belemnites]], [[rudist]] [[Bivalvia|bivalve]]s, [[Echinoidea|echinoid]]s and [[Porifera|sponges]] all common. Many new types of [[dinosaur]]s (e.g. [[Tyrannosauridae|Tyrannosaurs]], [[Titanosauridae|Titanosaurs]], [[Hadrosauridae|duck bills]], and [[Ceratopsidae|horned dinosaurs]]) evolve on land, as do [[Crocodilia|modern crocodilians]]; and [[mosasaur]]s and modern sharks appear in the sea. Primitive [[bird]]s gradually replace pterosaurs. [[Monotremes]], [[marsupial]]s and [[Eutheria|placental]] mammals appear. Break up of [[Gondwana]]. Possible appearance of first [[primates]].
| style="{{Color-Late-Cretaceous}}" | 99.6±0.9 <sup>*</sup>
| style="{{Color-Late-Cretaceous}}" | 99.6±0.9 <sup>*</sup>
|-
|-

Revision as of 01:01, 13 February 2009

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