'Lyginopteridales' definitions:
Definition of 'Lyginopteridales'
(from WordNet)
noun
Fossil gymnospermous trees or climbing plants from the Devonian: seed ferns [syn: Cycadofilicales, order Cycadofilicales, Lyginopteridales, order Lyginopteridales]
Definition of 'Lyginopteridales'
From: GCIDE
- Lyginopteridales \Lyginopteridales\ n. An order of fossil gymnospermous trees or climbing plants from the Devonian: the seed ferns.
- Syn: Cycadofilicales, order Cycadofilicales, order Lyginopteridales. [WordNet 1.5]