bn:00064660n
Noun Concept
Categories: Middle Devonian first appearances, Permian stubs, Carboniferous stubs, Paleozoic plant stubs, Mississippian extinctions
EN
progymnosperm  Progymnophyta  Progymnophytes  Progymnospermae  Progymnospermophyta
EN
An ancestral fossil type from which modern gymnosperms are thought to have derived WordNet 3.0
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EN
An ancestral fossil type from which modern gymnosperms are thought to have derived WordNet 3.0 & Open English WordNet
The progymnosperms are an extinct group of woody, spore-bearing plants that is presumed to have evolved from the trimerophytes, and eventually gave rise to the gymnosperms, ancestral to acrogymnosperms and angiosperms. Wikipedia
WordNet 3.0 & Open English WordNet
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