Carcharodon vs fish genus

Carcharodon and fish genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Carcharodon	Yes	No	No	No
fish genus	Yes	No	No	No

As nouns, fish genus is a hypernym of Carcharodon; that is, fish genus is a word with a broader meaning than Carcharodon:

Carcharodon (noun)	fish genus (noun)
man-eating sharks	any of various genus of fish