Myxiniformes vs suborder Hyperotreta

Myxiniformes and suborder Hyperotreta both are nouns.

Word	Noun	Adjective	Verb	Adverb
Myxiniformes	Yes	No	No	No
suborder Hyperotreta	Yes	No	No	No

As nouns, Myxiniformes and suborder Hyperotreta are synonyms defined as:

Myxiniformes and suborder Hyperotreta: hagfishes as distinguished from lampreys

Other synonyms of Myxiniformes include Hyperotreta, Myxinoidea, Myxinoidei, suborder Myxiniformes, suborder Myxinoidei.

Myxiniformes (noun)	suborder Hyperotreta (noun)
hagfishes as distinguished from lampreys	hagfishes as distinguished from lampreys