Acanthopharynx merostomacha (Steiner, 1921) Schuurmans Stekhoven, 1943 (basis of record)
Actinonema Cobb, 1920 (additional source)
Adoncholaiminae Gerlach & Riemann, 1974 (additional source)
Aegialoalaimidae Lorenzen, 1981 (additional source)
Aegialoalaimus de Man, 1907 (additional source)
Alaimella Cobb, 1920 (additional source)
Alaimidae Micoletzky, 1922 (additional source)
Amphidelus Thorne, 1939 (additional source)
Amphimonhystera Allgén, 1929 (additional source)
Anoplostoma Bütschli, 1874 (additional source)
Anoplostoma campbelli Allgén, 1932 (basis of record)
Anoplostoma dubium Allgén, 1959 (basis of record)
Anoplostoma tenuicaudum Allgén, 1959 (basis of record)
Anoplostomatidae Gerlach & Riemann, 1974 (additional source)
Anoplostomatinae (additional source)
Antarcticonema Timm, 1978 (additional source)
Antarcticonema comicapitatum Timm, 1978 (basis of record)
Anticoma Bastian, 1865 (additional source)
Anticoma acuminata (Eberth, 1863) Bastian, 1865 (additional source)
Anticoma allgeni Platonova, 1968 (basis of record)
Anticoma antarctica (Allgén, 1929) Cobb, 1891 (basis of record)
Anticoma campbelli Allgén, 1932 (basis of record)
Anticoma columba Wieser, 1953 (basis of record)
Anticoma graciliceps Platonova, 1968 (basis of record)
Anticoma kerguelensis Mawson, 1958 (basis of record)
Anticoma major Mawson, 1956 (basis of record)
Anticoma pushkini Platonova, Belogurov & Sheenko, 1979 (basis of record)
Anticoma subsimilis Cobb, 1914 (basis of record)
Anticoma tenuis Allgén, 1930 (basis of record)
Anticoma trichura Cobb, 1898 (basis of record)
Anticoma wieseri Mawson, 1958 (basis of record)
Anticomidae Filipjev, 1918 (additional source)
Anticomopsis Micoletzky & Kreis, 1930 (additional source)
Anticyathus Cobb, 1920 (additional source)
Antopus Cobb, 1933 (additional source)
Antopus serialis (Baylis, 1916) Cobb, 1933 (basis of record)
Aphelenchoidea Fuchs, 1937 (basis of record)
Aponema Jensen, 1978 (additional source)
Araeolaimus de Man, 1888 (additional source)
Araeolaimus australis Allgén, 1959 (basis of record)
Araeolaimus elegans de Man, 1888 (additional source)
Araeolaimus obtusicaudatus Allgén, 1959 (basis of record)
Araeolaimus paradubiosus Allgén, 1959 (basis of record)
Araeolaimus tenuicauda Gerlach & Riemann, 1973 (basis of record)
Archepsilonema Steiner, 1927 (additional source)
Archepsilonema celidotum Steiner, 1931 (basis of record)
Arthromysis magellanica (Cunningham, 1871) (basis of record)
Atrochromadora Wieser, 1959 (additional source)
Atrochromadora parva (de Man, 1893) Wieser, 1954 (additional source)
Axonolaimidae Filipjev, 1918 (additional source)
Axonolaimoidea Filipjev, 1918 (additional source)
Axonolaimus de Man, 1889 (additional source)
Axonolaimus antarcticus Cobb, 1930 (basis of record)
Axonolaimus austrogeorgiae Allgén, 1959 (basis of record)
Axonolaimus polaris Cobb, 1914 accepted as Odontophora polaris (Cobb, 1914) Wieser, 1956 (basis of record)
Bathyepsilonema Steiner, 1927 (additional source)
Bathyepsilonema brachycephalum Steiner, 1931 (basis of record)
Bathyepsilonema drygalskii Steiner, 1931 (basis of record)
Calomicrolaimus Lorenzen, 1976 (additional source)
Calomicrolaimus honestus (de Man, 1922) Jensen, 1978 accepted as Microlaimus honestus De Man, 1922 (additional source)
Calyptronema Marion, 1870 (additional source)
Calyptronema mawsoni Mawson, 1958 (basis of record)
Camacolaiminae Micoletzky, 1924 (additional source)
Camacolaimus tardus de Man, 1889 accepted as Deontolaimus tardus (de Man, 1889) Holovachov & Boström, 2015 (additional source)
Ceramonematidae Cobb, 1933 (additional source)
Cheironchus Cobb, 1917 (additional source)
Chromadora Bastian, 1865 (additional source)
Chromadora meridiana Cobb, 1914 accepted as Chromadorella meridiana (Cobb, 1914) (basis of record)
Chromadora nudicapitata Bastian, 1865 (additional source)
Chromadorella cobbiana (Johnston, 1938) Blome & Schrage, 1985 (basis of record)
Chromadoridae Filipjev, 1917 (additional source)
Chromadorina (additional source)
Chromadorinae Filipjev, 1917 (additional source)
Chromadorita Filipjev, 1922 (additional source)
Chromadorita ceratoserolis Lorenzen, 1986 (basis of record)
Chromadoroidea Filipjev, 1917 (additional source)
Comesoma Bastian, 1865 (additional source)
Comesomatidae Filipjev, 1918 (additional source)
Comesomatinae Filipjev, 1918 (additional source)
Crenopharynginae Platonova, 1976 (additional source)
Croconema pararotundicapitata (Allgén, 1959) Gerlach, 1963 (basis of record)
Croconema stateni (Allgén, 1928) Wieser, 1954 (basis of record)
Cyatholaimus gracilis (Eberth, 1863) Bastian, 1865 (additional source)
Daptonema Cobb, 1920 (additional source)
Daptonema frigidum (Cobb, 1914) Wieser, 1956 (basis of record)
Daptonema longicaudatum (Filipjev, 1922) Lorenzen, 1977 (additional source)
Daptonema polaris (Cobb, 1914) Wieser, 1956 (basis of record)
Deontostoma Filipjev, 1916 (additional source)
Deontostoma antarcticum (von Linstow, 1892) Filipjev, 1916 (basis of record)
Deontostoma arcticum (Ssaweljev, 1912) Filipjev, 1916 (additional source)
Deontostoma aucklandiae (Ditlevsen, 1921) Platonova, 1962 (basis of record)
Deontostoma demani (Mawson, 1956) Hope, 1967 (basis of record)
Deontostoma timmerchioi Hope, 1974 (basis of record)
Desmodora de Man, 1889 (additional source)
Desmodora abyssorum Allgén, 1929 accepted as Desmodorella abyssorum (Allgén, 1929) Gerlach, 1963 (basis of record)
Desmodora aucklandiae Ditlevsen, 1921 (basis of record)
Desmodora australis Allgén, 1959 (basis of record)
Desmodora greenpatchi Allgén, 1953 (basis of record)
Desmodora microchaeta Allgén, 1929 (additional source)
Desmodora odhneri Allgén, 1959 (basis of record)