pearly nautilus vs chambered nautilus

pearly nautilus and chambered nautilus both are nouns.

Word	Noun	Adjective	Verb	Adverb
pearly nautilus	Yes	No	No	No
chambered nautilus	Yes	No	No	No

As nouns, pearly nautilus and chambered nautilus are synonyms defined as:

pearly nautilus and chambered nautilus: cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions

Other synonyms of pearly nautilus include nautilus.

pearly nautilus (noun)	chambered nautilus (noun)
cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions	cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions