The scientific name of a taxon at any rank above the species group consists of one name; that of a species, two names (a binomen); and that of a subspecies, three names (a trinomen) [Arts. 4 and 5].

• 在种群以上的任何分类层级,其学名由一个名称构成;一个种的名称,由两个名称构成(二名式名称);一个亚种的名称,由三个名称构成(三名式名称)[第4条和第5条]。