from
WordNet (r) 3.0 (2006)
class Coniferopsida
n 1: 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}, {class
Coniferopsida}, {Coniferophytina}, {subdivision
Coniferophytina}, {Coniferophyta}]