Lepidodendrales vs order Lepidodendrales

Lepidodendrales and order Lepidodendrales both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lepidodendrales	Yes	No	No	No
order Lepidodendrales	Yes	No	No	No

As nouns, Lepidodendrales and order Lepidodendrales are synonyms defined as:

Lepidodendrales and order Lepidodendrales: fossil arborescent plants arising during the early Devonian and conspicuous throughout the Carboniferous

Lepidodendrales (noun)	order Lepidodendrales (noun)
fossil arborescent plants arising during the early Devonian and conspicuous throughout the Carboniferous	fossil arborescent plants arising during the early Devonian and conspicuous throughout the Carboniferous