suborder Hyperoartia vs Petromyzoniformes

suborder Hyperoartia and Petromyzoniformes both are nouns.

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

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

suborder Hyperoartia and Petromyzoniformes: lampreys as distinguished from hagfishes

Other synonyms of suborder Hyperoartia include Hyperoartia, suborder Petromyzoniformes.

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