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Thesaurus: Pteridospermae
n. used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales
Related headwords
classificationdefinitioncoextensivedefinitionextinctdefinitionfossildefinitiongroupdefinitiongymnospermsdefinitionorderdefinitionsystemsdefinitionPteridium aquilinumfamilyPteridium esculentumfamilypteridologicalfamilypteridologistfamilypteridologyfamilypteridomaniafamilypteridophytafamilypteridophytefamilypteridophytesfamilypteridospermfamilypterionfamilyPterisfamilyPteris creticafamilyPteris multifidafamilyPteris serrulatafamilypterichthysfamilypteridinesfamilyPternohyla fodiensneighborpterobranchianeighborPterocarpus angolensisneighbor
Definitions
- n. used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales