Definition of Subdivision coniferophytina
1. Noun. 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).
Generic synonyms: Class
Group relationships: Class Gymnospermae, Division Gymnospermophyta, Gymnospermae, Gymnospermophyta
Member holonyms: Cordaitales, Order Cordaitales, Class Pinopsida, Pinophytina, Pinopsida, Subdivision Pinophytina, Coniferales, Order Coniferales, Class Taxopsida, Subdivision Taxophytina, Taxophytina, Taxopsida, Order Taxales, Taxales
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