group Pteridospermae


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Noun1.group Pteridospermae - used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales
taxon, taxonomic category, taxonomic group - animal or plant group having natural relations
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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