According to the phylogenetic analysis of the octopodsCOI DNA sequences,Cistopus is grouped with other members of subfamily Octopodinae to form a monophyletic group .

• 由章鱼COI DNA序列所作的亲缘关系分析，结果显示小孔蛸与其他章鱼亚科的成员形成一个单系群。