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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - From 544 million to about 230 million years ago.

Usage examples (39)
  • They are folded and faulted, and are of Paleozoic age.
  • Precambrian and Paleozoic rock underlies Ecoregion 66d.
  • Two great animal faunas dominated the seas during the Paleozoic.
  • Paleozoic marine and nearshore deposits underlie much of the region. for more
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