suborder Hyperoartia vs suborder Petromyzoniformes

suborder Hyperoartia and suborder Petromyzoniformes both are nouns.

Word	Noun	Adjective	Verb	Adverb
suborder Hyperoartia	Yes	No	No	No
suborder Petromyzoniformes	Yes	No	No	No

As nouns, suborder Hyperoartia and suborder Petromyzoniformes are synonyms defined as:

suborder Hyperoartia and suborder Petromyzoniformes: lampreys as distinguished from hagfishes

Other synonyms of suborder Hyperoartia include Hyperoartia, Petromyzoniformes.

suborder Hyperoartia (noun)	suborder Petromyzoniformes (noun)
lampreys as distinguished from hagfishes	lampreys as distinguished from hagfishes