The mayfly family Leptophlebiidae is the single member of Leptophlebioidea (Insecta: Ephemeroptera: Furcatergalia).

细裳蜉科(Leptophlebiidae)隶属于昆虫纲(Insecta)蜉蝣目(Ephemeroptera)缨鳃蜉亚目(Furcatergalia)细裳蜉总科(Leptophlebioidea)。