Blarina vs genus Blarina

Blarina and genus Blarina both are nouns.

Word	Noun	Adjective	Verb	Adverb
Blarina	Yes	No	No	No
genus Blarina	Yes	No	No	No

As nouns, Blarina and genus Blarina are synonyms defined as:

Blarina and genus Blarina: a genus of fairly large shrews with fairly short tails (Blarina)

Blarina (noun)	genus Blarina (noun)
a genus of fairly large shrews with fairly short tails (Blarina)	a genus of fairly large shrews with fairly short tails (Blarina)