genus Microstomus vs Microstomus

genus Microstomus and Microstomus both are nouns.

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

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

genus Microstomus and Microstomus: a genus of Pleuronectidae containing the righteye flounders native to the North Pacific and Northeast Atlantic Oceans (Microstomus)

genus Microstomus (noun)	Microstomus (noun)
a genus of Pleuronectidae containing the righteye flounders native to the North Pacific and Northeast Atlantic Oceans (Microstomus)	a genus of Pleuronectidae containing the righteye flounders native to the North Pacific and Northeast Atlantic Oceans (Microstomus)