Biology . the usual major subdivision of a family or subfamily in the classification of organisms, usually consisting of more than one species.

Logic . a class or group of individuals, or of species of individuals.

a kind; sort; class.

noun

brand , breed , category , class , compartment , department , division , genre , group , kind , make , model , section , sort , style , subdivision , subfamily , varietynotes:species is a subgroup of genus and you capitalize a genus , but not a species (which is properly pronounced spee-sheez) , classification , description , gender , order , species , type , variety