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Definition of Lyginopteris
1. Noun. Genus of fossil seed ferns of the Carboniferous. 
Exact synonyms: Genus Lyginopteris
Generic synonyms: Gymnosperm Genus
Group relationships: Cycadofilicales, Lyginopteridales, Order Cycadofilicales, Order Lyginopteridales
Generic synonyms: Gymnosperm Genus
Group relationships: Cycadofilicales, Lyginopteridales, Order Cycadofilicales, Order Lyginopteridales


