Capitalize the formal name of a genus when used in the singular, with or without a species name. Capitalize formal genus names but not traditional plural generic designations (eg, streptococci) or derived adjectives (streptococcal) (see also , Plurals, Microorganisms). Do not capitalize the name of a species, variety, or subspecies. Do capitalize phylum, class, order, or family (see , Nomenclature, Organisms and Pathogens). For capitalization of virus names, see , Nomenclature, Organisms and Pathogens, Virus and Prion Nomenclature. ...
Less