Discorbis Lamarck, 1804

 

  Discorbis advena Cushman, 1922 (3, 4)

  Discorbis mediterraneus Risso, 1826 (3, 4, 5)

  Discorbis mira Cushman, 1922 (3)

  Discorbis orbicularis (Terquem, 1875) (4)