NARMS Taxon list
Metaparoncholaimus campylocercus (de Man, 1876) De Coninck & Schuurmans Stekhoven, 1933
Metoncholaimus albidus (Bastian, 1865) Filipjev, 1918
Metoncholaimus anthophorus (Ssaweljev, 1912) Filipjev, 1918
Metoncholaimus demani (Zur Strassen, 1894) Filipjev, 1918
Metoncholaimus pristiurus (Zur Strassen, 1894) Filipjev, 1918
Metoncholaimus scanicus (Allgén, 1935) accepted as Oncholaimus scanicus (Allgén, 1935) Wieser, 1953
Oncholaimus aegypticus Steiner, 1921
Oncholaimus attenuatus Dujardin, 1845
Oncholaimus brachycercus de Man, 1889
Oncholaimus brevicaudatus Filipjev, 1918
Oncholaimus campylocercoides De Coninck & Schuurmans Stekhoven, 1933
Oncholaimus conicauda Filipjev, 1929
Oncholaimus curvicauda Allgén, 1957
Oncholaimus donsi (Allgén, 1947) Wieser, 1953
Oncholaimus dujardinii de Man, 1876
Oncholaimus groenlandicus Ditlevsen, 1926
Oncholaimus lanceolatus Vitiello, 1970
Oncholaimus marinus Schulz, 1932
Oncholaimus medius Kreis, 1928
Oncholaimus nigrocephalatus Cobb, 1930
Oncholaimus onchouris Ditlevsen, 1928
Oncholaimus oxyuris Ditlevsen, 1911
Oncholaimus paroxyuris Schuurmans Stekhoven, 1942
Oncholaimus roervikensis Allgén, 1946 (uncertain > taxon inquirendum )
Oncholaimus scanicus (Allgén, 1935) Wieser, 1953
Oncholaimus septentrionalis Filipjev, 1927
Oncholaimus serratus Allgén, 1935
Oncholaimus skawensis Ditlevsen, 1921
Oncholaimus spissus Allgén, 1935
Oncholaimus steinboecki Ditlevsen, 1928
Oncholaimus steineri Ditlevsen, 1928
Oncholaimus vesicarius (Wieser, 1959) Rachor, 1969
Oncholaimus viridis Bastian, 1865
Prooncholaimus banyulensis Inglis, 1962
Prooncholaimus eberthi (Filipjev, 1918)
Prooncholaimus megastoma (Eberth, 1863)
Pseudoncholaimus saveljevi (Filipjev, 1927) Kreis, 1934