Lyginopteridales vs plant order

Lyginopteridales and plant order both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lyginopteridales	Yes	No	No	No
plant order	Yes	No	No	No

As nouns, plant order is a hypernym of Lyginopteridales; that is, plant order is a word with a broader meaning than Lyginopteridales:

Lyginopteridales: fossil gymnospermous trees or climbing plants from the Devonian: seed ferns
plant order: the order of plants

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