class Lycopodiate vs Lepidodendrales

class Lycopodiate and Lepidodendrales both are nouns.

Word	Noun	Adjective	Verb	Adverb
class Lycopodiate	Yes	No	No	No
Lepidodendrales	Yes	No	No	No

class Lycopodiate (noun)	Lepidodendrales (noun)
club mosses and related forms: includes Lycopodiales, Isoetales, Selaginellales, and extinct Lepidodendrales; sometimes considered a subdivision of Tracheophyta	fossil arborescent plants arising during the early Devonian and conspicuous throughout the Carboniferous