kingdom Animalia vs Animalia

kingdom Animalia and Animalia both are nouns.

Word	Noun	Adjective	Verb	Adverb
kingdom Animalia	Yes	No	No	No
Animalia	Yes	No	No	No

As nouns, kingdom Animalia and Animalia are synonyms defined as:

kingdom Animalia and Animalia: taxonomic kingdom comprising all living or extinct animals

Other synonyms of kingdom Animalia include animal kingdom.

kingdom Animalia (noun)	Animalia (noun)
taxonomic kingdom comprising all living or extinct animals	taxonomic kingdom comprising all living or extinct animals