Myxinoidei vs suborder Hyperotreta

Myxinoidei and suborder Hyperotreta both are nouns.

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

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

Myxinoidei and suborder Hyperotreta: hagfishes as distinguished from lampreys

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

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