Hyperonyms
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08103777-n:
(biology) a taxonomic group containing one or more orders
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Holonyms
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11595312-n:
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)
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Meronyms
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11604904-n:
fossil gymnospermous trees or climbing plants from the Devonian: seed ferns
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Glosses
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11596108-n:
plants of the class Gymnospermae having seeds not enclosed in an ovary
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Glosses
(gloss)
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11605542-n:
an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae)
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Glosses
(gloss)
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15126595-n:
from 190 million to 135 million years ago; dinosaurs; conifers
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Glosses
(gloss)
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15127307-n:
from 345 million to 280 million years ago
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