• Acrobeloides arctowskii Holovachov & Boström, 2006
• Aglenchus agricola (de Man, 1884) Andrássy, 1954
• Anisakis pegreffii Campana-Rouget & Biocca, 1955
• Anisakis physeteris Baylis, 1923 accepted as Skrjabinisakis physeteris (Baylis, 1923) Safonova, Voronova & Vainutis, 2021
• Anisakis similis (Baird, 1853) Baylis, 1920
• Anisakis simplex_A of Nascetti, Paggi, Orecchia, Smith, Matticucci & Bullini, 1986 accepted as Anisakis pegreffii Campana-Rouget & Biocca, 1955
• Antarctenchus hooperi Spaull, 1972
• Antarctenchus motililus Ghosh, Chatterjee, Mitra & De, 2005
• Aphelenchoides baguei Maslen, 1979
• Aphelenchoides helicosoma Maslen, 1979 accepted as Laimaphelenchus helicosoma (Maslen, 1979) Peneva & Chipev, 1999
• Aphelenchoides vaughani Maslen, 1979
• Aphelenchus avenae Bastian, 1865
• Apratylenchoides joenssoni Ryss, Boström & Sohlenius, 2005
• Ascaris adunca Rudolphi, 1802 accepted as Hysterothylacium aduncum (Rudolphi, 1802) Deardorff & Overstreet, 1981
• Ascaris decipiens Krabbe, 1878 accepted as Phocanema decipiens (Krabbe, 1878) Myers, 1959
• Ascaris falcigera Railliet & Henry, 1907 accepted as Contracaecum falcigerum (Railliet & Henry, 1907) Baylis, 1920 accepted as Contracaecum radiatum (Linstow, 1907) Baylis, 1920
• Ascaris osculata Rudolphi, 1802 accepted as Contracaecum osculatum (Rudolphi, 1802) Baylis, 1920
• Ascaris radiata Linstow, 1907 accepted as Contracaecum radiatum (Linstow, 1907) Baylis, 1920
• Ascaris spiculigera Rudolphi, 1809 accepted as Contracaecum spiculigerum (Rudolphi, 1809) Railliet & Henry, 1912 accepted as Contracaecum rudolphii Hartwich, 1964
• Ascarophis nototheniae Johnston & Mawson, 1945
• Chiloplacoides antarcticus Heyns, 1994
• Comephoronema beatriceinsleyae (Holloway & Klewer, 1969)
• Contracaecum antarcticum Johnston, 1937 accepted as Contracaecum osculatum (Rudolphi, 1802) Baylis, 1920
• Contracaecum falcigerum (Railliet & Henry, 1907) Baylis, 1920 accepted as Contracaecum radiatum (Linstow, 1907) Baylis, 1920
• Contracaecum himeu Yamaguti, 1941
• Contracaecum mirounga Nikolskij, 1974
• Contracaecum osculatum (Rudolphi, 1802) Baylis, 1920
• Contracaecum radiatum (Linstow, 1907) Baylis, 1920
• Contracaecum rudolphii Hartwich, 1964
• Contracaecum spiculigerum (Rudolphi, 1809) Railliet & Henry, 1912 accepted as Contracaecum rudolphii Hartwich, 1964
• Contracaecum umiu Yamaguti, 1941
• Criconema guernei (Certes, 1889) Menzel in Hofmänner & Menzel, 1914
• Cucullanus fraseri Baylis, 1929 accepted as Dichelyne fraseri (Baylis, 1929) accepted as Dichelyne (Cucullanellus) fraseri (Baylis, 1929) Petter, 1974
• Cucullanus fraseri var. nototheniae Baylis, 1929 accepted as Dichelyne fraseri (Baylis, 1929) accepted as Dichelyne (Cucullanellus) fraseri (Baylis, 1929) Petter, 1974
• Cuticularia firmata Andrássy, 1998 accepted as Poikilolaimus firmatus (Andrássy, 1998) Sudhaus, 2011
• Cystidicola beatriceinsleyae (Holloway & Klewer, 1969) accepted as Comephoronema beatriceinsleyae (Holloway & Klewer, 1969)
• Dichelyne (Cucullanellus) fraseri (Baylis, 1929) Petter, 1974
• Dichelyne fraseri (Baylis, 1929) accepted as Dichelyne (Cucullanellus) fraseri (Baylis, 1929) Petter, 1974
• Ditylenchus parcevivens Andrássy, 1988
• Dolichorhabditis tereticorpus Kito & Ohyama, 2008 accepted as Oscheius tereticorpus (Kito & Ohyama, 2008) Sudhaus, 2011
• Helicotylenchus digonicus Perry in Perry, Darling & Thorne, 1959
• Helicotylenchus dihystera (Cobb, 1893) Sher, 1966
• Helicotylenchus exallus Sher, 1966
• Hysterothylacium aduncum (Rudolphi, 1802) Deardorff & Overstreet, 1981
• Hysterothylacium nototheniae (Johnston & Mawson, 1945)
• Laimaphelenchus helicosoma (Maslen, 1979) Peneva & Chipev, 1999
• Oscheius tereticorpus (Kito & Ohyama, 2008) Sudhaus, 2011
• Panagrolaimus davidi Timm, 1971
• Panagrolaimus magnivulvatus Boström, 1995
• Parafilaroides hydrurgae Mawson, 1953
• Paranisakiopsis weddelliensis Rocka, 2002
• Paratylenchus nanus Cobb, 1923
• Phocanema decipiens (Krabbe, 1878) Myers, 1959
• Phocascaris hydrurgae Johnston & Mawson, 1941 accepted as Contracaecum osculatum (Rudolphi, 1802) Baylis, 1920
• Poikilolaimus firmatus (Andrássy, 1998) Sudhaus, 2011
• Pratylenchus andinus Lordello, Zamith & Boock, 1961
• Pseudoterranova decipiens (Krabbe, 1878) Gibson, 1983 accepted as Phocanema decipiens (Krabbe, 1878) Myers, 1959
• Rhabditis krylovi Tsalolikhin, 1989
• Rhabdochona beatriceinsleyae Holloway & Klewer, 1969 accepted as Cystidicola beatriceinsleyae (Holloway & Klewer, 1969) accepted as Comephoronema beatriceinsleyae (Holloway & Klewer, 1969)
• Rotylenchus capensis Van den Berg & Heyns, 1974
• Scottnema lindsayae Timm, 1971
• Skrjabinisakis physeteris (Baylis, 1923) Safonova, Voronova & Vainutis, 2021
• Stegophorus adeliae (Johnston, 1938) accepted as Stegophorus macronectes (Johnston & Mawson, 1942)
• Stegophorus arctowskii Zdzitowiecki & Drózdz, 1980
• Stegophorus heardi Mawson, 1953
• Stegophorus macronectes (Johnston & Mawson, 1942)
• Stegophorus paradeliae (Johnston & Mawson, 1945) accepted as Stegophorus macronectes (Johnston & Mawson, 1942)
• Teratocephalus pseudolirellus Maslen, 1979
• Teratocephalus rugosus Maslen, 1979
• Teratocephalus terrestris (Bütschli, 1873) de Man, 1876
• Teratocephalus tilbrooki Maslen, 1979
• Tylenchorhynchus maximus Allen, 1955