| 释义 |
subdivision Coniferophytina
Thesaurus| Noun | 1.subdivision Coniferophytina - 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)class Coniferopsida, Coniferophyta, Coniferophytina, Coniferopsidaclass - (biology) a taxonomic group containing one or more ordersclass Gymnospermae, division Gymnospermophyta, Gymnospermae, Gymnospermophyta - 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 (class Gnetopsida) and Coniferophytina (class Coniferopsida); in some classifications the Coniferophytina are divided into three groups: Pinophytina (class Pinopsida) and Ginkgophytina (class Ginkgopsida) and Taxophytina (class Taxopsida)Cordaitales, order Cordaitales - extinct plants having tall arborescent trunks comparable to or more advanced than cycads; known from the Pennsylvanian period; probably extinct since the Mesozoic eraclass Pinopsida, Pinophytina, Pinopsida, subdivision Pinophytina - 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 GymnospermophytaConiferales, order Coniferales - profusely branching and chiefly evergreen trees and some shrubs having narrow or needlelike leavesclass Taxopsida, subdivision Taxophytina, Taxophytina, Taxopsida - 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 Gymnospermophytaorder Taxales, Taxales - coextensive with the family Taxaceae: yews |
subdivision Coniferophytina
Synonyms for subdivision Coniferophytinanoun cone-bearing gymnosperms dating from the Carboniferous periodSynonyms- class Coniferopsida
- Coniferophyta
- Coniferophytina
- Coniferopsida
Related Words- class
- class Gymnospermae
- division Gymnospermophyta
- Gymnospermae
- Gymnospermophyta
- 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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