Each of two or more synonyms that denote nominal taxa with the same name-bearing type, or( in the cases of family-group and genus-group taxa) that denote nominal taxa with name-bearing types whose own names are themselves objectively synonymous.

• 两个或多个同物异名的每一个,其指示的命名分类单元具同一具名模式,或者(科群和属群分类单元的案例)所指示的命名分类单元的其名模式本身的几个名称即显示为客观同物异名。