Family Bdellidae
 
Bdella Latreille, 1795
 
  Bdella caeca (Berlese, 1904) (S)
  Bdella captiosa Atyeo, 1963 (Si)
  Bdella cruentata C.L. Koch, 1839 (N)
  Bdella histrionica C.L. Koch, 1844 (N)
  Bdella iconica Berlese, 1923 (S, Sa)
  Bdella longicornis (Linnaeus, 1758) (N, S, Si)
  Bdella muscorum Ewing, 1909 (N, S, Sa)
  Bdella phoenicea C.L. Koch, 1839 (N)
  Bdella pulchella Berlese, 1923 (N, S)
  Bdella sardoa Berlese, 1923 (Sa)
  Bdella semiscutata Thor, 1930 (N)
  Bdella cf. septentrionalis Atyeo, 1962 (S)
  Bdella subulirostris Berlese, 1923 (S)
  Bdella veneta (Berlese, 1910) (N)
 
Bdellodes Oudemans, 1937
 
  Bdellodes longirostris (Hermann, 1804) (N, S)
 
Biscirus Thor, 1927
 
  Biscirus norvegicus (Thor, 1905)
        Biscirus norvegicus sardica (Vitzthum, 1920) (Sa)
 
Cyta von Heyden, 1826
 
  Cyta coerulipes (Dugès, 1834) (N, S, Si)
  Cyta latirostris (Hermann, 1804) (N, S, Sa)
  Cyta veneta (Lombardini, 1960) (N)
 
Neomolgus Oudemans, 1937
 
  Neomolgus berlesei (Trägårdh, 1902) (S, Si)
  Neomolgus capillatus (Kramer, 1881) (N, S)
  Neomolgus lacustris (Hull, 1918) (N)
 
Odontoscirus Thor, 1913
 
  Odontoscirus virgulatus (G. Canestrini & Fanzago, 1876) (N, S, Si)
 
Spinibdella Thor, 1930
 
  Spinibdella cronini (Baker & Balock, 1944) (S)
  Spinibdella lignicola (G. Canestrini, 1886) (N, S)
 
Trachymolgus Berlese, 1923
 
  Trachymolgus nigerrimus (G. Canestrini & Fanzago, 1876) (N, S, Si)

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