The definition :


Definitions of Tertiary:

  • noun:   from 63 million to 2 million years ago
  • adjective:   coming next after the second and just before the fourth in position



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:3rd ordinal tertiary period third eocene eocene epoch miocene miocene epoch oligocene oligocene epoch paleocene paleocene epoch pliocene pliocene epoch age of mammals cenozoic era cenozoic geological period period nummulite tribasic sodium phosphate trisodium orthophosphate trisodium phosphate

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