| 单词 | Pteridospermae |
| 释义 | Pteridospermae (extremely rare) n WORD FAMILY Pteridospermae n used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales Syn|Hyper Pteridospermaphyta, group Pteridospermae, group Pteridospermaphyta taxon, taxonomic category, taxonomic group animal or plant group having natural relations |
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