Lyginopteridales vs Cycadofilicales

Lyginopteridales and Cycadofilicales both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lyginopteridales	Yes	No	No	No
Cycadofilicales	Yes	No	No	No

As nouns, Lyginopteridales and Cycadofilicales are synonyms defined as:

Lyginopteridales and Cycadofilicales: fossil gymnospermous trees or climbing plants from the Devonian: seed ferns

Other synonyms of Lyginopteridales include order Cycadofilicales, order Lyginopteridales.

Lyginopteridales (noun)	Cycadofilicales (noun)
fossil gymnospermous trees or climbing plants from the Devonian: seed ferns	fossil gymnospermous trees or climbing plants from the Devonian: seed ferns