suborder Petromyzoniformes vs Hyperoartia

suborder Petromyzoniformes and Hyperoartia both are nouns.

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

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

suborder Petromyzoniformes and Hyperoartia: lampreys as distinguished from hagfishes

Other synonyms of suborder Petromyzoniformes include Petromyzoniformes, suborder Hyperoartia.

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