Lyginopteridales | n. An order of fossil gymnospermous trees or climbing plants from the Devonian: the seed ferns. |
cycadofilicales | (n) fossil gymnospermous trees or climbing plants from the Devonian: seed ferns, Syn. Lyginopteridales, order Lyginopteridales, order Cycadofilicales |
Lyginopteridales | n. An order of fossil gymnospermous trees or climbing plants from the Devonian: the seed ferns. |