Suborder Akentrogonida Häfele, 1911 see Order Akentrogonida Häfele, 1911
Ref: J.T. Høeg & A.V. Rybakov, 1992; Count: 5f;8g
   Family Duplorbidae J.T. Høeg & A.V. Rybakov, 1992
  Ref: J.T. Høeg & A.V. Rybakov, 1992 [new taxon]; Count: [g] 3g
     Genus Duplorbis Smith, 1906
    Ref: J.T. Høeg & A.V. Rybakov, 1992 [new position]; Count: -