Chimaera monstrosa vs chimaera

Chimaera monstrosa and chimaera both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chimaera monstrosa	Yes	No	No	No
chimaera	Yes	No	No	No

As nouns, chimaera is a hypernym of Chimaera monstrosa; that is, chimaera is a word with a broader meaning than Chimaera monstrosa:

Chimaera monstrosa: large European chimaera
chimaera: a deep-sea fish with a tapering body, smooth skin, and long threadlike tail

Chimaera monstrosa (noun)	chimaera (noun)
large European chimaera	a deep-sea fish with a tapering body, smooth skin, and long threadlike tail
	a grotesque product of the imagination