Ganoidei vs order Ganoidei

Ganoidei and order Ganoidei both are nouns.

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

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

Ganoidei and order Ganoidei: a group of mostly extinct primitive bony fishes characterized by armor-like bony scales

Ganoidei (noun)	order Ganoidei (noun)
a group of mostly extinct primitive bony fishes characterized by armor-like bony scales	a group of mostly extinct primitive bony fishes characterized by armor-like bony scales