Lyginopteridales

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Noun1.Lyginopteridales - fossil gymnospermous trees or climbing plants from the Devonian: seed ferns
plant order - the order of plants
class Pteridospermopsida, Pteridospermopsida - extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies
genus Lyginopteris, Lyginopteris - genus of fossil seed ferns of the Carboniferous
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