Animalia
Adenophorea
Agamonema Diesing, 1851
Anguillulina
Asymetrella
Blattophila Cobb, 1920
Bolbinium Cobb, 1920
Cephallobellus
Cephalobium Cobb, 1920
Choronema Cobb, 1920
Conthonolaimus
Cympalaimus
Dasynemelloides Haspeslagh, 1973
Dictyonemella Haspeslagh, 1973
Dikentrocephalus Wedl, 1855
Ditlevsenia Micoletzky, 1925
Enchodelium Andrássy, 1963
Eophasma Arduini, Pinna & Teruzzi, 1983
Eurystoma Marion, 1870
Eutelolaimus De Man, 1922
Fellicola Petter & Køie, 1993
Heligmus Dujardin, 1844
Hyalaimus Cobb, 1920
Iotadorus Cobb, 1920
Isonemella Cobb, 1920
Leptodasynemella Haspeslagh, 1973
Leptogastrella Cobb, 1920
Loxolaimus Rahm, 1928
Macramphida Timm, 1966
Mawsonascaris Sprent, 1990
Monocholaimus
Monohystera
Mononchen
Nasinema Filipjev
Neopaurodontus Tikyani & Khera, 1968
Nuada Southern, 1914
Pararhabditis Baylis & Daubney, 1926
Penzencia De Man
Perodira Baylis, 1943
Pharyngonema Pierantoni, 1923
Procriconema Micoletzky, 1925
Pselionemoides Haspeslagh, 1973
Pseudorhabditis Szuets, 1912
Scytaleum Andrássy, 1961
Secernentea
Spilophora Bastian
Stephanium
Trachatinolaimus Andrássy, 1963
Trichosomoididae Yorke & Maplestone, 1926
Tycnodora Cobb, 1920