Craniata vs subphylum Craniata

Craniata and subphylum Craniata both are nouns.

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

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

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

Other synonyms of Craniata include subphylum Vertebrata, Vertebrata.

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