The single specimen designated as the name-bearing type of a nominal species or subspecies when there is a need to define the nominal taxon objectively and no name-bearing type is believed to be extant.

• 当需要客观地诠释一个命名种或亚种而相信其其名模式已不存在时,被指定为该命名分类单元的具名模式的单一标本称之。