Archaeopteryx lithographica vs genus Archaeopteryx

Archaeopteryx lithographica and genus Archaeopteryx both are nouns.

Word	Noun	Adjective	Verb	Adverb
Archaeopteryx lithographica	Yes	No	No	No
genus Archaeopteryx	Yes	No	No	No

Archaeopteryx lithographica (noun)	genus Archaeopteryx (noun)
extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds	a genus of early bird that is transitional between feathered dinosaurs and modern birds (Archaeopteryx, Archeopteryx)