suborder Myxinoidei vs Hyperotreta

suborder Myxinoidei and Hyperotreta both are nouns.

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

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

suborder Myxinoidei and Hyperotreta: hagfishes as distinguished from lampreys

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

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