Vertebrata vs subphylum Craniata

Vertebrata and subphylum Craniata both are nouns.

Word	Noun	Adjective	Verb	Adverb
Vertebrata	Yes	No	No	No
subphylum Craniata	Yes	No	No	No

As nouns, Vertebrata and subphylum Craniata are synonyms defined as:

Vertebrata and subphylum Craniata: fishes, amphibians, reptiles, birds, mammals

Other synonyms of Vertebrata include Craniata, subphylum Vertebrata.

Vertebrata (noun)	subphylum Craniata (noun)
fishes, amphibians, reptiles, birds, mammals	fishes, amphibians, reptiles, birds, mammals