Family Cyatholaimidae
 
Pomponema Cobb, 1917
 
  Pomponema lineatum (Gerlach, 1953) (3)
  Pomponema multipapillatum (Filipjev, 1922) (4)
 
Acanthonchus (Acanthonchus) Cobb, 1920
 
  Acanthonchus (Acanthonchus) arcuatus (Kreis, 1928) (3)
 
Paracanthonchus Micoletzky, 1924
 
  Paracanthonchus stekhoveni Wieser, 1954 (5)
  Paracanthonchus steueri (Micoletzky, 1922) (3, 4)
  Paracanthonchus sunesoni (Allgén, 1942) (3, 5)
  Paracanthonchus tyrrhenicus (Brunetti, 1949) (3, 5)
 
Paracyatholaimoides Gerlach, 1953
 
  Paracyatholaimoides multispiralis Gerlach, 1953 (3)
 
Paracyatholaimus Micoletzky, 1922
 
  Paracyatholaimus dubiosus (Bütschli, 1874) (3)
  Paracyatholaimus intermedius (de Man, 1880) (S)
  Paracyatholaimus separatus Wieser, 1954 (3)
 
Cyatholaimus Bastian, 1865
 
  Cyatholaimus canariensis Steiner, 1921 (3, 5)
  Cyatholaimus gracilis (Eberth, 1863) (3, 5)
  Cyatholaimus microsetosus Wieser, 1954 (3)
 
Longicyatholaimus Micoletzky, 1924
 
  Longicyatholaimus cervoides Vitiello, 1970 (4)
  Longicyatholaimus longicaudatus (de Man, 1876) (3)
 
Metacyatholaimus Stekhoven, 1942
 
  Metacyatholaimus chabaudi Gourbault, 1980 (3)
 
Praeacanthonchus Micoletzky, 1924
 
  Praeacanthonchus punctatus (Bastian, 1865) (3)

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