subphylum Vertebrata vs Craniata

subphylum Vertebrata and Craniata both are nouns.

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

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

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

Other synonyms of subphylum Vertebrata include subphylum Craniata, Vertebrata.

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