- Cycadofilicales, order Cycadofilicales, Lyginopteridales, order Lyginopteridales - fossil gymnospermous trees or climbing plants from the Devonian: seed ferns
--1 is a kind of plant order
--1 is a member of Pteridospermopsida, class Pteridospermopsida
--1 has members: Lyginopteris, genus Lyginopteris