Archaeopteryx lithographica vs genus Archeopteryx

Archaeopteryx lithographica and genus Archeopteryx both are nouns.

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

Archaeopteryx lithographica (noun)	genus Archeopteryx (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)