最終更新日：2024/07/30

Any of various extinct gymnosperms, of the division Pteridospermatophyta, resembling ferns, but producing seeds instead of spores

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pteridosperm

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元となった辞書の項目

pteridosperm

noun

Any of various extinct gymnosperms, of the division Pteridospermatophyta, resembling ferns, but producing seeds instead of spores

Pteridosperms were a diverse group of extinct gymnosperms.

意味（1）

Any of various extinct gymnosperms, of the division Pteridospermatophyta, resembling ferns, but producing seeds instead of spores