sirenian vs sirenian mammal

sirenian and sirenian mammal both are nouns.

Word	Noun	Adjective	Verb	Adverb
sirenian	Yes	No	No	No
sirenian mammal	Yes	No	No	No

As nouns, sirenian and sirenian mammal are synonyms defined as:

sirenian and sirenian mammal: any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs

Other synonyms of sirenian include sea cow.

sirenian (noun)	sirenian mammal (noun)
any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs	any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs