class ginkgopsida

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class ginkgopsida

A student examines a fossil leaf from the class Ginkgopsida in a museum.

Definition
  1. Noun:
    • A taxonomic class of plants: "class Ginkgopsida" is a botanical classification used for a group of gymnosperm plants. In some taxonomic systems, this group is ranked as a class; in others, it is considered a subdivision. It is used in certain classifications to denote one of the five major subdivisions of the division Gymnospermophyta, comprising the ginkgo trees.
Examples of Usage
  • Noun:
    • The fossil record provides evidence for the ancient lineage of class Ginkgopsida.
    • Botanists debate whether class Ginkgopsida should be treated as a separate class or a subdivision.
Advanced Usage
  • In taxonomic hierarchy: The term is used in the scientific context of plant systematics to categorize and discuss the evolutionary relationships of ginkgoes.
    • The sole surviving species, Ginkgo biloba, is placed within class Ginkgopsida.
Variants and Related Words
  • Ginkgoopsida: An alternative spelling for the same taxonomic class.
  • Ginkgophyta: A division or phylum name that may be used synonymously or to encompass a broader group including the ginkgoes.
  • Ginkgoales: The order within class Ginkgopsida, containing the ginkgo family and its extinct relatives.
Synonyms
  • Ginkgos: A common name referring to the plants within this class.
  • Ginkgo plants: A descriptive term for members of this group.
Related Phrases
  • Division Gymnospermophyta: The larger botanical division under which class Ginkgopsida is sometimes classified.
  • Living fossil: A common descriptive phrase for , the only living representative of this class.
class ginkgopsida

A student examines a fossil leaf from the class Ginkgopsida in a museum.

Noun
  1. ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications for one of five subdivisions of Gymnospermophyta

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