1. Species Diplomphalus cabriti (Gassies, 1863)
2. Species Diplomphalus mariei (Crosse, 1867)
3. Species Diplomphalus montrouzieri (Souverbie, 1858)
4. Species Diplomphalus solidulus Tryon, 1885
5. Species Diplomphalus vaysseti (Marie, 1871)
6. Subgenus Diplomphalus (Diplomphalus) Crosse & P. Fischer, 1872 accepted as Diplomphalus Crosse & P. Fischer, 1872 (no subgenera are recognized)
   1. Species Diplomphalus (Diplomphalus) cabriti (Gassies, 1863) accepted as Diplomphalus cabriti (Gassies, 1863) (no subgenera are recognized)
   2. Species Diplomphalus (Diplomphalus) mariei (Crosse, 1867) accepted as Diplomphalus mariei (Crosse, 1867) (no subgenera are recognized)
   3. Species Diplomphalus (Diplomphalus) seberti (Marie, 1881) accepted as Diplomphalus mariei (Crosse, 1867)
7. Subgenus Diplomphalus (Microphyura) Ancey, 1882 accepted as Microphyura Ancey, 1882 (unaccepted rank)
   1. Species Diplomphalus (Microphyura) microphis (Crosse, 1868) accepted as Microphyura microphis (Crosse, 1868) (unaccepted combination )
8. Species Diplomphalus fabrei Crosse, 1875 accepted as Pseudomphalus megei (Lambert, 1873) (unaccepted > junior subjective synonym)
9. Species Diplomphalus fischeri Franc, 1953 accepted as Diplomphalus mariei (Crosse, 1867)
10. Species Diplomphalus huttoni Suter, 1890 accepted as Cavellioropa huttoni (Suter, 1890) (superseded combination)
11. Species Diplomphalus moussoni Suter, 1890 accepted as Cavellioropa moussoni (Suter, 1890) (superseded combination)
12. Species Diplomphalus solidula Tryon, 1885 accepted as Diplomphalus solidulus Tryon, 1885 (incorrect gender agreement of specific epithet)
13. Species Diplomphalus subantialba Suter, 1890 accepted as Cavellioropa subantialba (Suter, 1909) (superseded combination)

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