type species vs species

type species and species both are nouns.

Word	Noun	Adjective	Verb	Adverb
type species	Yes	No	No	No
species	Yes	No	No	No

As nouns, species is a hypernym of type species; that is, species is a word with a broader meaning than type species:

type species: (biology) the species that best exemplifies the essential characteristics of the genus to which it belongs
species: (biology) taxonomic group whose members can interbreed

type species (noun)	species (noun)
(biology) the species that best exemplifies the essential characteristics of the genus to which it belongs	a specific kind of something
	(biology) taxonomic group whose members can interbreed