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18.226.200.16
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From: WordNet (r) 2.0

 class Coniferopsida
      n : cone-bearing gymnosperms dating from the Carboniferous
          period; most are substantial trees; includes the classes
          Pinopsida (subdivision Pinophytina) and Ginkgopsida
          (subdivision Ginkgophytina) and Taxopsida (subdivision
          Taxophytina) which in turn include the surviving orders
          Coniferales and Taxales (yews) and sometimes Ginkgoales
          as well as extinct orders such as Cordaitales (of the
          Carboniferous and Permian) [syn: Coniferopsida, Coniferophytina,
           subdivision Coniferophytina, Coniferophyta]