subphylum Craniata vs Vertebrata

subphylum Craniata and Vertebrata both are nouns.

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

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

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

Other synonyms of subphylum Craniata include Craniata, subphylum Vertebrata.

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