Pelagonema Cobb, 1894

 

  Pelagonema obtusicauda Filipjev, 1918 (4)

  Pelagonema simplex Cobb, 1894 (3, 4)

 

Oncholaimellus de Man, 1890

 

  Oncholaimellus mediterraneus Stekhoven, 1942 (3)

 

Viscosia de Man, 1890

 

  Viscosia cobbi Filipjev, 1918 (3, 5)

  Viscosia glabra (Bastian, 1865) (3, 4, 5)

  Viscosia profunda (Vitiello, 1970) (4)

 

Metaparoncholaimus De Coninck & Stekhoven, 1933

 

  Metaparoncholaimus campylocercus (de Man, 1876) (3, 4, 5)

 

Metoncholaimus Filipjev, 1918

 

  Metoncholaimus albidus (Bastian, 1865) (3)

  Metoncholaimus demani (Zur Strassen, 1894) (3)

  Metoncholaimus pristiurus (Zur Strassen, 1894) (3)

 

Oncholaimus Dujardin, 1845

 

  Oncholaimus aegypticus Steiner, 1921 (4, 5)

  Oncholaimus campylocercoides De Coninck & Stekhoven, 1933 (3, 5)

  Oncholaimus dujardinii de Man, 1876 (3, 4, 5)

  Oncholaimus echini Leydig, 1854 (3)

 

Prooncholaimus Micoletzky, 1924

 

  Prooncholaimus megastoma (Eberth, 1863) (3, 4)

 

Pontonema Leidy, 1855

 

  Pontonema parocellatum Wieser, 1954 (3)

  Pontonema parpapilliferum (Micoletzky, 1924) (3, 4)