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