Oncholaimidae Filipjev, 1916
Oncholaimellus arcticus Allgen, 1957
Oncholaimellus brevicauda Timm, 1969
Oncholaimellus calvadasicus de Man, 1890
Oncholaimellus calvadosicus de Man, 1890
Oncholaimellus carlbergi Allgén, 1947
Oncholaimellus coxbazari Timm, 1969
Oncholaimellus heterurus Cobb, 1914
Oncholaimellus labiatus (Kreis, 1932)
Oncholaimellus mediterraneus Stekhoven, 1942
Oncholaimellus meteori Gerlach, 1967
Oncholaimellus paracaribergi Pastor de Ward, 1993
Oncholaimellus patkellyi Keppner, 1987
