suborder Myxiniformes vs Hyperotreta

suborder Myxiniformes and Hyperotreta both are nouns.

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

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

suborder Myxiniformes and Hyperotreta: hagfishes as distinguished from lampreys

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

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