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pteridosperm

 

Definitions from WordNet

Noun pteridosperm has 1 sense
  1. seed fern, pteridosperm - an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae)
    --1 is a kind of gymnosperm

Definitions from the Web

Pteridosperm

Definition:

Pteridosperm refers to an extinct group of seed plants that thrived during the Paleozoic era, characterized by fern-like leaves and producing seeds. They were abundant during the Carboniferous period but eventually became extinct.

Parts of Speech:

  • Noun

Senses:

  1. A group of extinct seed plants with fern-like leaves.

Usages:

Pteridosperms were an important component of the Carboniferous rainforests.

The fossil record shows the diversity and wide distribution of pteridosperms during the Paleozoic era.

Scientists study pteridosperms to understand the evolution of seed plants.

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