subdivision Coniferophytina

subdivision Coniferophytina
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)
Hypernyms: ↑class
Member Meronyms:

Useful english dictionary. 2012.

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  • Coniferophytina — Coniferophyta Coniferophyta, Coniferophytina Coniferophytina . a class of cone bearing gymnosperms dating from the Carboniferous; most are substantial trees; it includes the classes Pinopsida (subdivision Pinophytina) and Ginkgopsida (subdivision …   The Collaborative International Dictionary of English

  • Coniferophytina — 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… …   Useful english dictionary

  • subdivision Pinophytina — noun most conifers: in some systems classified as a class (Pinopsida) and in others as a subdivision (Pinophytina); used in some classifications for one of five subdivisions of Gymnospermophyta • Syn: ↑Pinopsida, ↑class Pinopsida, ↑Pinophytina •… …   Useful english dictionary

  • subdivision Taxophytina — noun yews: in some systems classified as a class (Taxopsida) and in others as a subdivision (Taxophytina) used in some classifications for one of five subdivisions of Gymnospermophyta • Syn: ↑Taxopsida, ↑class Taxopsida, ↑Taxophytina • Hypernyms …   Useful english dictionary

  • Gymnospermae — noun plants having naked seeds not enclosed in an ovary; in some systems considered a class (Gymnospermae) and in others a division (Gymnospermophyta); comprises three subdivisions (or classes): Cycadophytina (class Cycadopsida) and Gnetophytina… …   Useful english dictionary

  • class Gymnospermae — noun plants having naked seeds not enclosed in an ovary; in some systems considered a class (Gymnospermae) and in others a division (Gymnospermophyta); comprises three subdivisions (or classes): Cycadophytina (class Cycadopsida) and Gnetophytina… …   Useful english dictionary

  • division Gymnospermophyta — noun plants having naked seeds not enclosed in an ovary; in some systems considered a class (Gymnospermae) and in others a division (Gymnospermophyta); comprises three subdivisions (or classes): Cycadophytina (class Cycadopsida) and Gnetophytina… …   Useful english dictionary

  • Gymnospermophyta — noun plants having naked seeds not enclosed in an ovary; in some systems considered a class (Gymnospermae) and in others a division (Gymnospermophyta); comprises three subdivisions (or classes): Cycadophytina (class Cycadopsida) and Gnetophytina… …   Useful english dictionary

  • Coniferophyta — Coniferophyta, Coniferophytina Coniferophytina . a class of cone bearing gymnosperms dating from the Carboniferous; most are substantial trees; it includes the classes Pinopsida (subdivision Pinophytina) and Ginkgopsida (subdivision… …   The Collaborative International Dictionary of English

  • class Coniferopsida — 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… …   Useful english dictionary

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