Ironus tenuicaudatus de Man, 1876
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1993, Gagarin 1996, Gagarin 2001b, Gagarin 2001a, Kuzmin and Gagarin 1990).
Alaimus arcuatus Thorne, 1939
Notes:
Svalbard (Loof 1971); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Alaimus depressus Loof, 1971*
Alaimus parvus Thorne, 1939
Alaimus primitivus de Man, 1880
Notes:
Jan Mayen (Allgén 1953); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 2001b, Gagarin 2001a, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Alaimus proximus Thorne, 1939
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990).
Alaimus similis Thorne, 1939
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Cosalaimus striatus (Loof, 1964)
Nomenclature:
Alaimus striatus Loof, 1964
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990).
Amphidelus elegans (de Man, 1921)
Nomenclature:
Alaimus elegans de Man, 1921
Notes:
Jan Mayen (Allgén 1953); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Paramphidelus dolichurus (de Man, 1876)
Nomenclature:
Amphidelus dolichurus (de Man, 1876)
Notes:
Svalbard (Loof 1971); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Paramphidelus paludicola Gagarin, 1991*
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1991b, Gagarin 1993, Gagarin 2001b, Gagarin 2001a).
Paramphidelus paramonovi (Eliashvili, 1971)
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Paramphidelus pusillus (Thorne, 1939)
Nomenclature:
Amphidelus pusillus Thorne, 1939
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Rhabdolaimus terrestris de Man, 1880
Notes:
Svalbard (Loof 1971); Nunavut, Canada (Mulvey 1969c); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1976, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Tripylina arenicola (de Man, 1880)
Nomenclature:
Trischistoma arenicola (de Man, 1880)
Notes:
Nunavut, Canada (Mulvey 1969c).
Trischistoma monohystera (de Man, 1880)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Tobrilus aberrans (W. Schneider, 1925)
Notes:
Northwest territories, Canada (Ebsary 1982).
Tobrilus affinis Gagarin, 1996*
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Gagarin 2001b).
Tobrilus brevisetosus (W. Schneider, 1925)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 2001b); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Tobrilus gracilis (Bastian, 1865)
Notes:
Nunavut, Canada (Mulvey 1969c); Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1996, Gagarin 2001b, Gagarin 2001a, Gagarin and Kuzmin 1983, Kuzmin 1972, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 1999a, Gagarin 2001b).
Tobrilus helveticus (Hofmänner in Hofmänner & Menzel, 1914)
Nomenclature:
Trilobus pseudallophysis Micoletzky 1925
Notes:
Greenland (Ditlevsen 1927); Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Kuzmin and Gagarin 1990).
Tobrilus modestus Gagarin, 1996*
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Gagarin 2001b).
Tobrilus parvus Gagarin, 1991*
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1991a, Gagarin 1993, Gagarin 2001b, Gagarin 2001a).
Tobrilus tripylis Gagarin, 1991*
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1991a, Gagarin 1993, Gagarin 2001b, Gagarin 2001a).
Brevitobrilus stefanskii (Micoletzky, 1925)
Notes:
Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1996, Gagarin 2001b, Gagarin 2001a, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1999a, Gagarin 2001b).
Epitobrilus allophysis (Steiner, 1919)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Gagarin 2001b); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Eutobrilus affectiosus Shoshin, 1988
Nomenclature:
Eutobrilus antarcticus sensu Gagarin, 1993, 2001; Raritobrilus antarcticus sensu Gagarin 1990, 1991
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1991a, Gagarin 1993, Gagarin 2001b, Gagarin 2001a, Gagarin 2009).
Eutobrilus altherri (Andrássy, 1953)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Gagarin 2001b).
Eutobrilus andrassyi (Altherr, 1963)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 2009, Kuzmin and Gagarin 1990).
Eutobrilus grandipapillatus (Brakenhoff, 1914)
Notes:
Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Gagarin 2001b); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 1999a, Gagarin 2001b).
Eutobrilus selengaensis (Tsalolikhin, 1977)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Gagarin 2001b).
Neotobrilus longus (Leidy, 1852)
Notes:
Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Kuzmin and Gagarin 1990).
Paratrilobus grandipapilloides Micoletzky, 1922
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1993, Gagarin 2001b, Gagarin 2001a).
Paratrilobus rapis Gagarin, 1991*
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1991a, Gagarin 1993, Gagarin 2001b, Gagarin 2001a).
Peritobrilus arcticus (Gagarin, 1991)
Nomenclature:
Eutobrilus arcticus Gagarin, 1991*
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1991a, Gagarin 1993, Gagarin 2001b, Gagarin 2001a).
Peritobrilus vipriensis Gagarin, 1999*
Notes:
Lena River estuary, Russia (Gagarin 1999b, Gagarin 2001b).
Quasibrilus strenuus (Gagarin, 1991)
Nomenclature:
Eutobrilus strenuus Gagarin, 1991*
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1991a, Gagarin 1993, Gagarin 2001b, Gagarin 2001a).
Raritobrilus steineri (Micoletzky, 1925)
Nomenclature:
Eutobrilus steineri (Micoletzky, 1925); Tobrilus steineri Micoletzky, 1925
Notes:
Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1993, Gagarin 1996, Gagarin 2001b, Gagarin 2001a, Kuzmin 1986, Kuzmin and Gagarin 1990).
Semitobrilus ebsaryi Tsalolikhin, 2000*
Nomenclature:
Tobrilus longicaudatus sensu Ebsary, 1982
Notes:
Northwest territories, Canada (Ebsary 1982).
Semitobrilus longicaudatus (Schneider, 1923)
Nomenclature:
Tobrilus longicaudatus (Schneider, 1923)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Semitobrilus parapellucidus (Ebsary, 1982)
Nomenclature:
Tobrilus parapellucidus Ebsary, 1982*
Notes:
Northwest territories, Canada (Ebsary 1982); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1993, Gagarin 2001b, Gagarin 2001a).
Semitobrilus gagarini (Ebsary, 1982)
Notes:
Lena River estuary, Russia (Gagarin 2001b).
Tripyla affinis de Man, 1880
Notes:
Nunavut, Canada (Mulvey 1969c); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Tripyla dubia Gagarin, 1997*
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Tripyla filicaudata de Man, 1880
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990).
Tripyla glomerans Bastian, 1865
Nomenclature:
Tripyla papillata Bütschli, 1873
Notes:
Svalbard (Loof 1971); Greenland (Ditlevsen 1927); Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Kuzmin 1972, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 1999a, Gagarin 2001b).
Tripyla infia Brzeski & Winiszewska-Slipinska, 1993
Nomenclature:
Tripyla filipjevi Altherr in Altherr & Delamare Deboutteville, 1972
Notes:
Svalbard (Janiec 1997); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1993, Gagarin 1996, Gagarin 2001b, Gagarin 2001a).
Tripyla magna Altherr in Altherr & Delamare Deboutteville, 1972
Notes:
Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1993, Gagarin 1996, Gagarin 2001b, Gagarin 2001a).
Tripyla setifera Bütschli, 1873
Notes:
Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Prismatolaimus dolichurus de Man, 1880
Notes:
Svalbard (Loof 1971); Jan Mayen (Allgén 1953); Greenland (Ditlevsen 1927); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Prismatolaimus intermedius (Bütschli, 1873)
Notes:
Svalbard (Loof 1971); Jan Mayen (Allgén 1953); Nunavut, Canada (Mulvey 1969c); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Prismatolaimus primitivus Loof, 1971*
Prismatolaimus stenolaimoides Loof, 1971*
Prismatolaimus tareya Gagarin & Kuzmin, 1972*
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1993, Gagarin and Kuzmin 1972, Kuzmin 1976, Kuzmin and Gagarin 1990).
Prismatolaimus verrucosus Hirschmann, 1952
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Bastiania gracilis de Man, 1876
Notes:
Svalbard (Loof 1971); Nunavut, Canada (Mulvey 1969c); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Bastiania parexilis De Coninck, 1935
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Odontolaimus chlorurus de Man, 1880
Notes:
Svalbard (Loof 1971); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Diphtherophora communis de Man, 1880
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Diphtherophora minuta Ivanova, 1958
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Diphtherophora obesa Thorne, 1939
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Diphtherophora perplexans (Cobb, 1913)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Tylolaimophorus bulgaricus (Andrássy, 1958)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Tylolaimophorus cylindricus (Cobb, 1920)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Trichodorus californicus Allen, 1957
Trichodorus carlingi Bernard, 1992*
Paravulvus hartingii (de Man, 1880)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1996, Gagarin 2001b, Gagarin 2001a).
Clavicaudoides clavicaudatus (Altherr, 1953)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Solididens vulgaris (Thorne, 1930)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Calcaridorylaimus arcticus Gagarin, 1997*
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Calcaridorylaimus promissus Andrássy, 1986
Chrysodorus filiformis (Bastian, 1865)
Nomenclature:
Dorylaimus filiformis Bastian, 1865
Crocodorylaimus biserovi Gagarin, 1996*
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 2001b).
Crocodorylaimus flavomaculatus (Linstow, 1876)
Nomenclature:
Mesodorylaimus flavomaculatus (Linstow, 1876)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Crocodorylaimus dadayi (Thorne & Swanger, 1936)
Nomenclature:
Laimydorus dadayi (Thorne & Swanger, 1936)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986).
Dorylaimus lineatus Altherr in Altherr & Delamare-Deboutteville, 1972
Notes:
Northwest territories, Canada (Mulvey and Anderson 1979).
Dorylaimus stagnalis Dujardin, 1845
Notes:
Greenland (Ditlevsen 1927); Northwest territories, Canada (Mulvey and Anderson 1979); Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1996, Gagarin 2001b, Gagarin 2001a, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Laimydorus doryuris (Ditlevsen, 1911)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Laimydorus finalis Thorne, 1975
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Laimydorus pseudostagnalis (Micoletzly, 1927)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Mesodorylaimus bastiani (Bütschli, 1873)
Nomenclature:
Dorylaimus bastiani Bütschli, 1873; Dorylaimus langii Cobb, 1888
Notes:
Svalbard (von Linstow 1900); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Mesodorylaimus japonicus (Cobb in Thorne & Swanger, 1936)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Mesodorylaimus litoralis Loof, 1969
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 2001b, Gagarin 2001a).
Mesodorylaimus pendschikenticus (Tulaganov, 1949)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 2001b, Gagarin 2001a).
Paractinolaimus macrolaimus (de Man, 1884)
Nomenclature:
Actinolaimus macrolaimus (de Man, 1884)
Notes:
Greenland (Ditlevsen 1927); Alaska (Andrássy 2003c); Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Paractinolaimus longidrilus Eveleigh, 1982*
Notes:
Northwest territories, Canada (Eveleigh 1982).
Westindicus cinctus (Cobb in Thorne, 1939)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Arctidorylaimus arcticus Mulvey & Anderson, 1979*
Notes:
Northwest territories, Canada (Mulvey and Anderson 1979).
Allodorylaimus andrassyi (Meyl, 1955)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Allodorylaimus diadematus (Cobb in Thorne & Swanger, 1936)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Allodorylaimus holdemani (Andrássy, 1959)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Allodorylaimus lindbergi (Andrássy, 1960)
Nomenclature:
Eudorylaimus lindbergi Andrássy, 1960; Allodorylaimus rarus Gagarin, 1999*; Eudorylaimus curvicaudatus Eliava, 1968
Notes:
Lena River estuary, Russia (Gagarin 1999a, Gagarin 1999b, Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1996, Gagarin 1999a, Gagarin 2001a, Gagarin 2001b); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 1999a, Gagarin 2001b).
Allodorylaimus uniformis (Thorne, 1929)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 1999a, Gagarin 2001b).
Eudorylaimus acuticauda (de Man, 1880)
Nomenclature:
Dorylaimus acuticauda de Man, 1880; Dorylaimus carteri acuticauda Micoletzky, 1922; Dorylaimus carteri Bastian, 1865 sf. acuticaudata de Man, 1880 (lapsus); Dorylaimus carteri Bastian, 1865 var. brevicaudatus f. typica sf. acuticauda de Man, 1880
Notes:
Jan Mayen (Allgén 1953); Greenland (Allgén 1954, Ditlevsen 1927); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Eudorylaimus acutus (Thorne & Swanger, 1936)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990).
Eudorylaimus bureshi (Andrássy, 1958)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Eudorylaimus carteri (Bastian, 1865)
Nomenclature:
Dorylaimus carteri Bastian, 1865
Notes:
Svalbard (Klekowski and Opalinski 1986, Klekowski and Opalinski 1990, Klekowski and Opalinski 1992, Opalinski and Klekowski 1992); Jan Mayen (Allgén 1953); Greenland (Ditlevsen 1927); Alaska (Andrássy 2003c); Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Gagarin and Kuzmin 1983, Kuzmin 1972, Kuzmin 1976, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Eudorylaimus centrocercus (de Man, 1880)
Nomenclature:
Dorylaimus centrocercus de Man, 1880; Aporcelaimellus centrocercus (de Man, 1880)
Notes:
Jan Mayen (Allgén 1953); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 2001b, Gagarin 2001a, Kuzmin and Gagarin 1990).
Eudorylaimus iners (Bastian, 1865)
Nomenclature:
Dorylaimus gracilis de Man, 1876
Eudorylaimus leuckarti (Bütschli, 1873)
Nomenclature:
Dorylaimus carteri Bastian, 1865 var. brevicaudatus Micoletzly, 1922 f. typica Micoletzky, 1922
Eudorylaimus megodon Loof, 1971*
Eudorylaimus subjunctus Loof, 1971*
Eudorylaimus vanrosseni Loof, 1971*
Epidorylaimus agilis (de Man, 1880)
Nomenclature:
Dorylaimus agilis de Man, 1880; Dorylaimus carteri Bastian, 1865 var. agilis de Man, 1880; Eudorylaimus agilis (de Man, 1880); Laimydorus agilis (de Man, 1880)
Notes:
Svalbard (Loof 1971); Jan Mayen (Allgén 1953); Greenland (Allgén 1954); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Epidorylaimus angulosus (Thorne & Swanger, 1936)
Nomenclature:
Eudorylaimus anquilosus (Thorne & Swanger, 1936)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Epidorylaimus consobrinus (de Man, 1918)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Kuzmin and Gagarin 1990).
Epidorylaimus humilis (Thorne & Swanger, 1936)
Nomenclature:
Eudorylaimus humilis (Thorne & Swanger, 1936)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Epidorylaimus lugdunensis (de Man, 1880)
Nomenclature:
Dorylaimus carteri Bastian, 1865 sf. lugdunensis de Man, 1880; Dorylaimus carteri lugdunensis Micoletzky, 1922; Eudorylaimus lugdunensis (de Man, 1880); Dorylaimus reisingeri Ditlevsen, 1927*
Notes:
Svalbard (Loof 1971); Jan Mayen (Allgén 1953); Greenland (Ditlevsen 1927); Alaska (Andrássy 2003c); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Epidorylaimus muscorum (Skwarra, 1921)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Epidorylaimus rivalis Gagarin, 1991*
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1991b, Gagarin 2001b, Gagarin 2001a).
Microdorylaimus parvus (de Man, 1880)
Nomenclature:
Eudorylaimus parvus (de Man, 1880)
Notes:
Svalbard (Loof 1971); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Crassolabium circulifer (Loof, 1961)
Nomenclature:
Eudorylaimus circulifer Loof, 1961
Crassolabium ettersbergense (de Man, 1885)
Nomenclature:
Eudorylaimus ettersbergensis (de Man, 1885); Thonus ettersbergensis (de Man, 1885)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Crassolabium laticollis (de Man, 1906)
Nomenclature:
Thonus laticollis (de Man, 1906)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Dorydorella bryophila (de Man, 1880)
Nomenclature:
Dorylaimus carteri Bastian, 1865 sf. briophilus de Man, 1880
Dorydorella pratensis (de Man, 1880)
Nomenclature:
Dorylaimus carteri Bastian, 1865 sf. pratensis de Man, 1880
Ecumenicus monohystera (de Man, 1880)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Labronema fimbriatum Thorne, 1939
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Labronema goodeyi Altherr in Altherr & Delamare-Deboutteville, 1972
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 2001b, Gagarin 2001a).
Labronema loeffleri Andrássy, 1978
Notes:
Lena River estuary, Russia (Gagarin 2001b); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a).
Labronema stechlinense Altherr, 1968
Akrotonus striaticaudatus (Cobb, 1906)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Aporcelaimellus krygeri (Ditlevsen, 1928)
Nomenclature:
Eudorylaimus krygeri (Ditlevsen, 1928)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 2001b, Kuzmin 1972, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 2001b).
Aporcelaimellus obscurus (Thorne & Swanger, 1936)
Nomenclature:
Eudorylaimus obscurus (Thorne & Swanger, 1936)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Aporcelaimellus obtusicaudatus (Bastian, 1865)
Nomenclature:
Dorylaimus obtusicaudatus Bastian, 1865; Dorylaimus obtusicaudatus Bastian, 1865 f. butschlii Micoletzky, 1922; Aporcelaimus obtusicaudatus (Bastian, 1865)
Notes:
Jan Mayen (Allgén 1953, Allgén 1954); Greenland (Allgén 1954, Ditlevsen 1927); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 2001b, Gagarin 2001a, Kuzmin and Gagarin 1990).
Aporcelaimellus papillatus (Bastian, 1865)
Nomenclature:
Aporcelaimus papillatus (Bastian, 1865)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Aporcelaimellus paraobtusicaudatus (Micoletzky, 1922)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Aporcelaimellus tritici (Bastian, 1865)
Nomenclature:
Dorylaimus tritici Bastian, 1865
Notes:
Jan Mayen (Allgén 1953); Greenland (Allgén 1954).
Aporcelaimus eurydoris (Ditlevsen, 1911)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Aporcelaimus polaris Andrássy, 2003*
Aporcelaimus superbus (de Man, 1880)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Metaporcelaimus labiatus (de Man, 1880)
Nomenclature:
Dorylaimus labiatus de Man, 1880
Chrysonema maksymovi (Altherr, 1963)
Nomenclature:
Eudorylaimus maksymovi (Altherr, 1963)
Notes:
Svalbard (Klekowski and Opalinski 1986, Klekowski and Opalinski 1990, Loof 1971).
Enchodelus analatus (Ditlevsen, 1927)
Nomenclature:
Dorylaimus (Doryllium) analatus Ditlevsen, 1927*
Notes:
Svalbard (Loof 1971); Greenland (Ditlevsen 1927).
Enchodelus groenlandicus (Ditlevsen, 1927)
Nomenclature:
Dorylaimus (Doryllium) groenlandicus Ditlevsen 1927*
Notes:
Greenland (Ditlevsen 1927); Taymyr and Severnaya Zemlya, Russia (Elshishka et al. 2012).
Enchodelus cf. macrodoroides (Steiner, 1914)
Enchodelus macrodorus (de Man, 1880)
Nomenclature:
Dorylaimus macrodorus de Man, 1880
Notes:
Svalbard (Loof 1971); Jan Mayen (Allgén 1953); Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b, Steiner 1916a).
Enchodelus makarovae Elshishka et al., 2012*
Notes:
Taymyr and Severnaya Zemlya, Russia (Elshishka et al. 2012).
Enchodelus parateres Baqri & Jairajpuri, 1974
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990).
Enchodelus parvus Loof, 1971*
Notes:
Svalbard (Loof 1971); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990).
Enchodelus teres Thorne, 1939
Notes:
Taymyr and Severnaya Zemlya, (Kuzmin and Gagarin 1990).
Heterodorus arquatus (Thorne, 1939)
Nomenclature:
Enchodelus arquatus Thorne, 1939
Notes:
Nunavut, Canada (Elshishka et al. 2013); Taymyr and Severnaya Zemlya, Russia (Elshishka et al. 2013, Kuzmin and Gagarin 1990).
Heterodorus conicaudatus (Ditlevsen, 1927)
Nomenclature:
Dorylaimus conicaudatus Ditlevsen, 1927*; Enchodelus conicaudatus (Ditlevsen, 1927)
Notes:
Svalbard (Loof 1971); Greenland (Ditlevsen 1927).
Heterodorus magnificus Altherr, 1952
Notes:
Taymyr and Severnaya Zemlya, Russia (Elshishka et al. 2013).
Pungentus longidens (Thorne & Swanger, 1936)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Rhyssocolpus alleni (Brzeski, 1962)
Nomenclature:
Eudorylaimus alleni Brzeski, 1962*
Notes:
Svalbard (Brzeski 1962, Loof 1971).
Rhyssocolpus aquilonius Andrássy, 2003*
Rhyssocolpus arcticus Ebsary, 1984*
Notes:
Nunavut, Canada (Ebsary 1984).
Longidorella magna Loof, 1971*
Notes:
Svalbard (Loof 1971); Alaska (Andrássy 2003c).
Longidorella parva Thorne, 1939
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Longidorella penetrans (Thorne & Swanger, 1936)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Xiphinemella eversum Heyns, 1969
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Tylencholaimus crassus Loof & Jairajpuri, 1968
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Tylencholaimus mirabilis (Bütschli, 1873)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Tylencholaimus proximus Thorne, 1939
Notes:
Svalbard (Loof 1971); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Tylencholaimus stecki Steiner, 1914
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Tylencholaimus teres Thorne, 1939
Notes:
Svalbard (Loof 1971); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin 1976, Kuzmin and Gagarin 1990).
Dorylaimoides arcuicaudatus Baqri & Jairajpuri, 1969
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Family Tylencholaimellidae
Tylencholaimellus coronatus Thorne, 1939
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Mononchus absconditus (Tsalolikhin, 1974)
Notes:
Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1993, Gagarin 2001b, Gagarin 2001a); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Mononchus angarensis Gagarin, 1984
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Gagarin 2001b).
Mononchus aquaticus Coetzee, 1968
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 2001b).
Mononchus maduei Schneider, 1925
Notes:
Northwest territories, Canada (Mulvey 1978).
Mononchus niddensis Skwarra, 1921
Notes:
Nunavut, Canada (Mulvey 1967b, Mulvey 1978).
Mononchus superbus Mulvey, 1978*
Notes:
Northwest territories, Canada (Mulvey 1978).
Mononchus tajmiris Gagarin, 1991*
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1991b, Gagarin 1993, Gagarin 2001a, Gagarin 2001b).
Mononchus truncatus Bastian, 1865
Notes:
Northwest territories, Canada (Mulvey 1978); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1996, Gagarin 2001b, Gagarin 2001a, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Paramononchus arcticus Mulvey, 1978*
Notes:
Northwest territories, Canada (Mulvey 1978).
Prionchulus longus (Thorne, 1929)
Notes:
Nunavut, Canada (Mulvey 1967a, Mulvey 1978); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Prionchulus major Gagarin, 2001*
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 2001c, Gagarin 2001b).
Prionchulus muscorum (Dujardin, 1845)
Notes:
Svalbard (Klekowski and Opalinski 1986, Klekowski and Opalinski 1990); Nunavut, Canada (Mulvey 1967a); Alaska (Andrássy 2003a); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Prionchulus punctatus Cobb, 1917
Notes:
Nunavut, Canada (Mulvey 1967a).
Prionchulus sedatus Gagarin, 2000*
Notes:
Lena River estuary, Russia (Gagarin 2000, Gagarin 2001b).
Prionchulus spectabilis (Ditlevsen, 1911)
Nomenclature:
Mononchus spectabilis Ditlevsen, 1911
Notes:
Greenland (Ditlevsen 1927).
Clarkus macropapillatus (Mulvey, 1967)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Clarkus papillatus (Bastina, 1865)
Nomenclature:
Mononchus papillatus Bastian, 1865
Notes:
Jan Mayen (Allgén 1953); Greenland (Allgén 1954, Ditlevsen 1927); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Coomansus fletcherensis Mulvey, 1978*
Notes:
Nunavut, Canada (Mulvey 1978).
Coomansus gerlachei (de Man, 1904)
Notes:
Northwest territories, Canada (Mulvey 1978).
Coomansus parvus (de Man, 1880)
Parkellus zschokkei (Menzel, 1913)
Nomenclature:
Iotonchus zschokkei (Menzel, 1913)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Mylonchulus brachyuris (Bütschli, 1873)
Nomenclature:
Mononchus brachyuris Bütschli, 1873
Notes:
Greenland (Ditlevsen 1927); Alaska (Andrássy 2003a); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Mylonchulus gigas Gagarin, 1993
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Mylonchulus incurvus Cobb, 1917
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 2001b).
Mylonchulus lacustris (Cobb in Cobb, 1915)
Notes:
Northwest territories, Canada (Mulvey 1978).
Miconchus exilis (Cobb, 1917)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Jensenonchus amplus Andrássy, 2003*
Chromadorita arctica Gagarin, 1999*
Nomenclature:
Chromadorida arctica Gagarin, 1999 (lapsus)
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1999a, Gagarin 2001b).
Chromadorita leuckarti (de Man, 1876)
Notes:
Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1996); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Punctodora ratzemburgensis (Linstow, 1876)
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Achromadora micoletzkyi (Stefanski, 1915)
Nomenclature:
Cyatholaimus micoletzkyi Steiner, 1916*; Achromadora steineri Mulvey, 1969
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1976, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Achromadora ruricola (de Man, 1880)
Notes:
Nunavut, Canada (Mulvey 1969c); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Achromadora cf. semiarmata Altherr, 1952
Achromadora tenax (de Man, 1876)
Notes:
Svalbard (Janiec 1997, Loof 1971).
Achromadora terricola (de Man, 1880)
Nomenclature:
Cyatholaimus ornatus Steiner, 1916*
Notes:
Greenland (Ditlevsen 1927); Nunavut, Canada (Mulvey 1969c); Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b, Steiner 1916a).
Ethmolaimus pratensis de Man, 1880
Nomenclature:
Ethmolaimus arcticus Steiner, 1916*
Notes:
Nunavut, Canada (Mulvey 1969c); Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1996, Gagarin 2001b, Gagarin 2001a, Kuzmin 1972, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b, Steiner 1916a).
Microlaimus globiceps de Man, 1880
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Prodesmodora arctica (Mulvey, 1969)
Nomenclature:
Microlaimus arcticus Mulvey 1969*
Notes:
Nunavut, Canada (Mulvey 1969c); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Prodesmodora circulata (Micoletzky, 1913)
Notes:
Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Kuzmin 1976, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Hofmaenneria hazanensis Mulvey, 1969*
Notes:
Nunavut, Canada (Mulvey 1969c).
Daptonema dubium (Bütschli, 1873)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Gagarin and Kuzmin 1983, Kuzmin and Gagarin 1990).
Daptonema fortis Gagarin, 1993*
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1993, Gagarin 2001b, Gagarin 2001a).
Daptonema sibiricum Gagarin, 2000*
Notes:
Lena River estuary, Russia (Gagarin 2000, Gagarin 2001b).
Daptonema tenuispiculum (Ditlevsen, 1918)
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1999a, Gagarin 2001b).
Theristus agilis (de Man, 1880)
Nomenclature:
Monhystera agilis de Man, 1880
Notes:
Jan Mayen (Allgén 1953, Tchesunov and Pletnikova 1986); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin 1976, Kuzmin and Gagarin 1990).
Theristus flevensis Schuurmans Stekhoven, 1935
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997b, Gagarin 2001a).
Eumonhystera barbata Andrássy, 1981
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997b, Gagarin 2001a).
Eumonhystera dispar (Bastian, 1865)
Nomenclature:
Monhystera dispar Bastian, 1865
Notes:
Svalbard (Loof 1971); Nunavut, Canada (Mulvey 1969c); Taymyr and Severnaya Zemlya, Russia (Gagarin 1996); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997b, Gagarin 1997a, Gagarin 1999a, Gagarin 2001b).
Eumonhystera filiformis (Bastian, 1865)
Nomenclature:
Monohystera filiformis Bastian, 1865 (lapsus); Monhystera filiformis Butschlii, 1873 (lapsus)
Notes:
Svalbard (Janiec 1997, Loof 1971); Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b, Steiner 1916a).
Eumonhystera kuzmini Gagarin, 1997*
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997b, Gagarin 1997a, Gagarin 1999a, Gagarin 2001b).
Eumonhystera maxima Gagarin, 1996
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 2001b).
Eumonhystera papuana (Daday, 1899)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Gagarin 2001b).
Eumonhystera pseudobulbosa (Daday, 1896)
Nomenclature:
Monohystera pseudobulbosa Daday, 1896 (lapsus)
Notes:
Greenland (Ditlevsen 1927).
Eumonhystera similis (Bütschli, 1873)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 2001b, Kuzmin and Gagarin 1990).
Eumonhystera simplex (de Man, 1880)
Nomenclature:
Monhystera simplex de Man, 1880
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Eumonhystera tuporis Gagarin, 1991
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1999a, Gagarin 2001b).
Eumonhystera vulgaris (de Man, 1880)
Nomenclature:
Monhystera vulgaris de Man, 1880; Monohystera vulgaris de Man, 1880 (lapsus)
Notes:
Svalbard (Janiec 1997, Loof 1971); Jan Mayen (Allgén 1953); Nunavut, Canada (Mulvey 1969c); Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 1999a, Gagarin 2001b, Steiner 1916a).
Geomonhystera aenariensis (Meyl, 1953)
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Geomonhystera paravillosa (Meyl, 1954)
Nomenclature:
Monhystera paravillosa Meyl, 1954
Notes:
Nunavut, Canada (Mulvey 1969c).
Geomonhystera villosa (Butschli, 1873)
Nomenclature:
Monohystera villosa Butschli, 1873 (lapsus)
Notes:
Svalbard (Loof 1971); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Halomonhystera disjuncta (Bastian, 1865)
Nomenclature:
Monhystera disjuncta Bastian, 1865
Notes:
Jan Mayen (Allgén 1953); Novaya Zemlya and Vaigach island, Russia (Gagarin 1999a, Gagarin 2001b).
Monhystera amabilis Gagarin, 1997*
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997b, Gagarin 1997a, Gagarin 2001c, Gagarin 2001b).
Monhystera stagnalis Bastian, 1865
Notes:
Svalbard (Janiec 1997, Loof 1971); Taymyr and Severnaya Zemlya, Russia (Gagarin and Kuzmin 1983, Kuzmin and Gagarin 1990).
Monhystrella macrura (de Man, 1880)
Nomenclature:
Monhystera macrura de Man, 1880
Tridentula bidenticulata (Gagarin, 1997)
Nomenclature:
Eumonhystera bidenticulata Gagarin, 1997*; Tridentulus diplodenticulata Gagarin, 1997 (lapsus); Eumonhystera diplodenticulata Gagarin, 1997 (lapsus)
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997b, Gagarin 1997a, Gagarin 2001b).
Tridentula obscura (Gagarin, 2000)
Nomenclature:
Tridentulus obscurus Gagarin, 2000
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 2001b).
Cylindrolaimus baradlanus Andrássy, 1959
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Cylindrolaimus communis de Man, 1880
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Cylindrolaimus melancholicus de Man, 1880
Notes:
Svalbard (Loof 1971); Nunavut, Canada (Mulvey 1969c); Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Deontolaimus papillatus de Man, 1880
Notes:
Greenland (Ditlevsen 1927).
Chronogaster typica (de Man, 1921)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Anaplectus grandepapillatus (Ditlevsen, 1928)
Nomenclature:
Anaplectus submersus (Hirschmann, 1952)
Notes:
Svalbard (Janiec 1997); Alaska (Andrássy 2003b); Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1993, Gagarin 2001b, Gagarin 2001a, Kuzmin and Gagarin 1990).
Anaplectus granulosus (Bastian, 1865)
Nomenclature:
Plectus granulosus Bastian, 1865
Notes:
Svalbard (Loof 1971); Jan Mayen (Allgén 1953); Greenland (Ditlevsen 1927); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1996, Gagarin 2001b, Gagarin 2001a, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 1999a, Gagarin 2001b, Steiner 1916a).
Anaplectus porosus Allen and Noffsinger, 1968
Notes:
Svalbard (Klekowski and Opalinski 1986, Klekowski and Opalinski 1990, Klekowski and Opalinski 1992, Loof 1971).
Arctiplectus alaskanus Andrássy, 2003*
Perioplectus labiosus (Sanwal, 1968)
Nomenclature:
Periplectus labiosus Sanwal, 1968*
Notes:
Nunavut, Canada (Sanwal 1968, Zell 1993).
Perioplectus secundus Andrássy, 2003*
Plectus acuminatus Bastian, 1865
Notes:
Svalbard (Loof 1971); Alaska (Andrássy 2003b); Taymyr and Severnaya Zemlya, Russia (Gagarin 2001b, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Plectus amorphotelus Ebsary, 1985
Plectus aquatilis Andrássy, 1984
Plectus cf. armatus Butschli, 1873
Plectus assimilis Bütschli, 1873
Nomenclature:
Ceratoplectus assimilis (Bütschli, 1873)
Notes:
Svalbard (Loof 1971); Greenland (Zell 1993); Alaska (Andrássy 2003b); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Plectus cancellatus Zullini, 1978
Nomenclature:
Plectus thornei sensu Zell, 1993
Notes:
Nunavut, Canada (Ebsary 1985, Zell 1993).
Plectus cirratus Bastian, 1865
Notes:
Svalbard (Klekowski and Opalinski 1986, Klekowski and Opalinski 1990, Klekowski and Opalinski 1992, Menzel 1920); Jan Mayen (Allgén 1953); Greenland (Ditlevsen 1927); Alaska (Andrássy 2003b); Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1996, Gagarin 2001b, Gagarin 2001a, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 1999a, Gagarin 2001b).
Plectus communis Bütschli, 1873
Notes:
Svalbard (Menzel 1920, Zell 1993); Iceland (Zell 1993); Greenland (Allgén 1954).
Plectus cornus Maggenti, 1961
Nomenclature:
Ceratoplectus cornus (Maggenti, 1961)
Notes:
Svalbard (Loof 1971, Zell 1993); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1976, Kuzmin and Gagarin 1990).
Plectus elongatus Maggenti, 1961
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Plectus geophilus de Man, 1880
Nomenclature:
Plectus minor Novikova & Gagarin, 1971
Notes:
Svalbard (Loof 1971, Zell 1993); Jan Mayen (Allgén 1953); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990).
Plectus inquirendus Andrássy, 1958
Notes:
Svalbard (Loof 1971, Zell 1993); Alaska (Andrássy 2003b); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Plectus intermedius Cobb, 1893
Notes:
Nunavut, Canada (Zell 1993).
Plectus longicaudatus Butschli, 1873
Notes:
Svalbard (Loof 1971, Zell 1993); Jan Mayen (Allgén 1953); Iceland (Zell 1993); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Plectus magadani Kuzmin, 1979
Plectus murrayi Yeates, 1970
Plectus cf. opisthocirculus Andrássy, 1952
Plectus palustris de Man, 1880
Notes:
Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Gagarin 2001b); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 1999a, Gagarin 2001b).
Plectus parietinus Bastian, 1865
Nomenclature:
Plectus cirratus Bastian, 1865 f. parietinus Bastian, 1865
Notes:
Svalbard (Janiec 1997, Klekowski and Opalinski 1986, Klekowski and Opalinski 1990, Klekowski and Opalinski 1992, Loof 1971, Opalinski and Klekowski 1992); Jan Mayen (Allgén 1953); Iceland (Zell 1993); Alaska (Andrássy 2003b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1996, Gagarin 2001b, Gagarin 2001a, Gagarin and Kuzmin 1983, Kuzmin 1976, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b, Steiner 1916a).
Plectus parvus Bastian, 1865
Notes:
Svalbard (Loof 1971, Zell 1993); Iceland (Zell 1993); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Plectus rhizophilus de Man, 1880
Nomenclature:
Plectus cirratus Bastian, 1865 var. rhizophilus de Man, 1880
Notes:
Svalbard (Loof 1971, Zell 1993); Jan Mayen (Allgén 1953, Steiner 1916a); Greenland (Allgén 1954); Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin and Kuzmin 1983, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b, Steiner 1916a).
Plectus rotundilabiatus Zell, 1993
Plectus tenuis Bastian, 1865
Notes:
Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1996); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 1999a, Gagarin 2001b).
Plectus varians Maggenti, 1961
Notes:
Iceland (Zell 1993); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1976).
Plectus velox Bastian, 1865
Tylocephalus auriculatus (Bütschli, 1873)
Nomenclature:
Plectus auriculatus Bütschli, 1873
Notes:
Jan Mayen (Steiner 1916a); Nunavut, Canada (Anderson 1966); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Ereptonema arcticum Loof, 1971*
Notes:
Svalbard (Boström 1987a, Holovachov et al. 2003, Loof 1971).
Ereptonema fimbriatum Anderson, 1966*
Notes:
Nunavut, Canada (Anderson 1966).
Wilsonema otophorum (de Man, 1880)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Family Metateratocephalidae
Metateratocephalus crassidens (de Man, 1880)
Nomenclature:
Teratocephalus crassidens de Man, 1880; Euteratocephalus crassidens (de Man, 1880)
Notes:
Svalbard (Boström 1989, Loof 1971); Jan Mayen (Allgén 1953); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin 1976, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b, Steiner 1916a).
Euteratocephalus palustris (de Man, 1880)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Aulolaimus oxycephalus de Man, 1880
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990).
Teratocephalus costatus Andrássy, 1958
Nomenclature:
Teratocephalus decarinus Anderson, 1969*
Notes:
Svalbard (Boström 1989, Loof 1971); Nunavut, Canada (Anderson 1969); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Teratocephalus dadayi Andrássy, 1968
Nomenclature:
Teratocephalus subvexus Anderson, 1969*
Notes:
Nunavut, Canada (Anderson 1969).
Teratocephalus lirellus Anderson, 1969*
Notes:
Svalbard (Boström 1989, Loof 1971); Nunavut, Canada (Anderson 1969); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Teratocephalus tenuis Andrássy, 1958
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Teratocephalus terrestris (Bütschli, 1873)
Notes:
Svalbard (Boström 1989); Jan Mayen (Allgén 1953); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin 1976, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Rhabditophanes schneideri (Bütschli, 1873)
Nomenclature:
Cheilobus quadrilabiatus Cobb, 1924
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Panagrolaimus papillosus Loof, 1971*
Panagrolaimus rigidus (Schneider, 1866)
Notes:
Svalbard (Loof 1971); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1976, Kuzmin and Gagarin 1990).
Cephalobus filiformis de Man, 1876
Cephalobus persegnis Bastian, 1865
Notes:
Svalbard (Loof 1971); Jan Mayen (Allgén 1953); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Acrobeloides buetschlii (de Man, 1884)
Nomenclature:
Cephalobus buetschlii de Man, 1884
Notes:
Svalbard (Menzel 1920); Jan Mayen (Steiner 1916a); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Acrobeloides enoploides Loof, 1971*
Acrobeloides nanus (de Man, 1880)
Nomenclature:
Cephalobus nanus de Man, 1880
Acrobeloides tricornis (Thorne, 1925)
Notes:
Svalbard (Boström 1987a, Loof 1971).
Eucephalobus arcticus Loof, 1971*
Notes:
Svalbard (Boström 1987a, Loof 1971).
Eucephalobus mucronatus (Kozlovska & Roguska-Wasilewska, 1963)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Eucephalobus oxyuroides (de Man, 1876)
Nomenclature:
Cephalobus oxyuroides de Man, 1876
Notes:
Svalbard (Loof 1971); Jan Mayen (Allgén 1953).
Eucephalobus paracornutus De Coninck, 1943
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Eucephalobus striatus (Bastian, 1865)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Pseudacrobeles elongatus (de Man, 1880)
Nomenclature:
Cephalobus elongatus de Man, 1880; Heterocephalobus elongatus (de Man, 1880)
Notes:
Svalbard (Loof 1971); Jan Mayen (Allgén 1953); Taymyr and Severnaya Zemlya, Russia (Gagarin 2001b, Kuzmin 1972, Kuzmin and Gagarin 1990).
Chiloplacus lentus (Maupas, 1900)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Chiloplacus quintastriatus Sumenkova in Sumenkova & Razjivin, 1968
Nomenclature:
Chiloplacus saccatus Loof, 1971*
Notes:
Svalbard (Boström 1987a, Loof 1971).
Chiloplacus symmetricus (Thorne, 1925)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Chiloplacus trilineatus Steiner, 1940
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Stegelletina insubrica (Steiner, 1914)
Nomenclature:
Cervidellus insubricus (Steiner, 1914); Ypsylonellus insubricus (Steiner, 1914)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Stegelletina similis (Thorne, 1925)
Nomenclature:
Stegelleta mucronata Loof, 1971*
Cervidellus vexilliger (de Man, 1880)
Nomenclature:
Cervidellus serratus (Thorne, 1925); Ypsylonellus vexilliger (de Man, 1880)
Notes:
Svalbard (Loof 1971); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Cervidellus spitzbergensis Boström, 1987*
Notes:
Svalbard (Boström 1987b).
Acrobeles ciliatus von Linstow, 1877
Notes:
Svalbard (Loof 1971); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Aphelenchoides arcticus Sanwal, 1965*
Notes:
Svalbard (Loof 1971); Nunavut, Canada (Sanwal 1965); Lena River estuary, Russia (Gagarin 2001b).
Aphelenchoides blastophthorus Franklin, 1952
Notes:
Lena River estuary, Russia (Gagarin 2001b).
Aphelenchoides echinocaudatus Haque, 1968
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Aphelenchoides goeldii (Steiner, 1914)
Nomenclature:
Aphelenchus goeldii Steiner, 1914
Notes:
Jan Mayen (Steiner 1916a).
Aphelenchoides parasaprophilus Sanwal, 1965*
Notes:
Nunavut, Canada (Sanwal 1965); Taymyr and Severnaya Zemlya, Russia (Gagarin 2001b).
Aphelenchoides parietinus (Bastian, 1865)
Nomenclature:
Aphelenchus modestus de Man, 1876
Notes:
Jan Mayen (Steiner 1916a); Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Aphelenchoides robustus Gagarin, 1997*
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997c, Gagarin 1997a, Gagarin 2001b).
Aphelenchoides saprophilus Franklin, 1957
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990).
Aphelenchoides subtenuis (Cobb, 1926)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Aglenchus agricola (de Man, 1884)
Notes:
Greenland (Brzeski 1999); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Coslenchus costatus (de Man, 1921)
Nomenclature:
Tylenchus costatus de Man, 1921
Notes:
Svalbard (Loof 1971); Greenland (Brzeski 1999); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Basiria dolichura Loof, 1971*
Lelenchus leptosoma (de Man, 1880)
Nomenclature:
Tylenchus leptosoma de Man, 1880; Anguillulina leptosoma (de Man, 1880); Filenchus leptosoma (de Man, 1880)
Notes:
Svalbard (Loof 1971); Jan Mayen (Allgén 1953); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Filenchus cylindricaudus (Wu, 1969)
Nomenclature:
Tylenchus cylindricaudus Wu, 1969*
Notes:
Nunavut, Canada (Wu 1969b).
Filenchus cylindricus (Thorne & Malek, 1968)
Notes:
Lena River estuary, Russia (Gagarin 2001b).
Filenchus discrepans (Andrássy, 1954)
Nomenclature:
Lelenchus discrepans Andrássy, 1954; Ottolenchus discrepans (Andrássy, 1954)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990).
Filenchus ditissimus (Brzeski, 1963)
Nomenclature:
Tylenchus ditissimus Brzeski, 1963
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin and Kuzmin 1983, Kuzmin and Gagarin 1990).
Filenchus facultativus (Szczygiel, 1970)
Notes:
Greenland (Brzeski 1999).
Filenchus filiformis (Bütschli, 1873)
Nomenclature:
species inquirenda; Tylenchus filiformis Bütschli, 1873; Tylenchus (Filenchus) filiformis Bütschli, 1873
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin 1976, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Filenchus hamatus (Thorne & Malek, 1968)
Notes:
Greenland (Brzeski 1999).
Filenchus hazanensis (Wu, 1969)
Nomenclature:
Tylenchus hazenensis Wu, 1969*; Dactylotylenchus filiformis Wu, 1969*
Notes:
Nunavut, Canada (Wu 1969b, Wu 1969a).
Filenchus minutus (Cobb, 1893)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Filenchus misellus (Andrássy, 1958)
Notes:
Greenland (Brzeski 1999).
Filenchus orbus Andrássy, 1954
Nomenclature:
Tylenchus aquilonius Wu, 1969*
Notes:
Greenland (Brzeski 1999); Nunavut, Canada (Wu 1969b).
Filenchus quartus (Szczygiel, 1969)
Notes:
Greenland (Brzeski 1999).
Filenchus thornei (Andrássy, 1954)
Nomenclature:
Tylenchus thornei Andrássy, 1954
Notes:
Svalbard (Loof 1971); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Malenchus acarayensis Andrássy, 1968
Notes:
Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Malenchus bryophilus (Steiner, 1914)
Nomenclature:
Tylenchus bryophilus Steiner, 1914
Notes:
Svalbard (Loof 1971); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b).
Malenchus exiguus (Massey, 1969)
Nomenclature:
Ottolenchus sulcis Wu, 1970*
Notes:
Nunavut, Canada (Wu 1970).
Tylenchus davainei Bastian, 1865
Nomenclature:
Anguillulina davainei (Bastian, 1865); Filenchus davainei (Bastian, 1865)
Notes:
Svalbard (Loof 1971); Jan Mayen (Allgén 1953); Greenland (Brzeski 1999, Ditlevsen 1927); Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin and Kuzmin 1983, Kuzmin 1972, Kuzmin 1976, Kuzmin and Gagarin 1990); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2001b, Steiner 1916a).
Tylenchus neodavainei Wu, 1969*
Notes:
Nunavut, Canada (Wu 1969b).
Tylenchus stylolineatus Wu, 1969*
Notes:
Nunavut, Canada (Wu 1969b).
Meiodorus hyalacus (Anderson & Ebsary, 1982)
Nomenclature:
Mulveyotus hyalacus Anderson & Ebsary, 1982*
Notes:
Nunavut, Canada (Anderson and Ebsary 1982).
Geocenamus arcticus (Mulvey, 1969)
Nomenclature:
Tylenchorhynchus arcticus Mulvey, 1969*
Notes:
Svalbard (Loof 1971); Nunavut, Canada (Mulvey 1969a); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990).
Geocenamus brevidens (Allen, 1955)
Nomenclature:
Merlinius brevidens (Allen, 1955)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Geocenamus circellus (Anderson & Ebsary, 1982)
Nomenclature:
Merlinius circellus Anderson & Ebsary, 1982*
Notes:
Nunavut, Canada (Anderson and Ebsary 1982).
Geocenamus joctus (Thorne, 1949)
Nomenclature:
Tetylenchus joctus Thorne, 1949
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990).
Geocenamus loofi (Siddiqi, 1979)
Nomenclature:
Tetylenchus joctus sensu Loof, 1971; Merlinius loofi Siddiqi, 1979
Notes:
Svalbard (Loof 1971, Siddiqi 1979).
Geocenamus microdorus (Geraert, 1966)
Nomenclature:
Tylenchorhynchus microdorus Geraert, 1966
Geocenamus tetylus (Anderson & Ebsary, 1982)
Nomenclature:
Merlinius tetylus Anderson & Ebsary, 1982*
Notes:
Nunavut, Canada (Anderson and Ebsary 1982).
Nagellus borealis Powers, Baldwin & Bell, 1983*
Notes:
Alaska (Powers et al. 1983).
Nagellus grandis (Allen, 1955)
Nomenclature:
Tylenchorhynchus grandis Allen, 1955
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Nagelus leptus (Allen, 1955)
Nomenclature:
Tylenchorhynchus leptus Allen, 1955
Notes:
Svalbard (Loof 1971); Greenland (Brzeski 1999); Nunavut, Canada (Mulvey 1969a); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Nagellus lineatus (Allen, 1955)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Nagellus obscurus (Allen, 1955)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Nagellus parobscurus (Mulvey, 1969)
Nomenclature:
Tylenchorhynchus parobscurus Mulvey, 1969*
Notes:
Nunavut, Canada (Mulvey 1969a).
Tylenchorhynchus dubius (Bütschli, 1873)
Nomenclature:
Bitylenchus dubius (Bütschli, 1873)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin 1976, Kuzmin and Gagarin 1990).
Tylenchorhynchus nanus Allen, 1955
Nomenclature:
Geocenamus nanus (Allen, 1955); Merlinius nanus (Allen, 1955)
Notes:
Greenland (Brzeski 1999); Taymyr and Severnaya Zemlya, Russia (Kuzmin 1986, Kuzmin and Gagarin 1990).
Tylenchorhynchus cf. nothus Allen, 1955
Tylenchorhynchus parvus Allen, 1955
Nomenclature:
Bitylenchus parvus (Allen, 1955)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Rotylenchus brevicaudatus (Hopper, 1959)
Nomenclature:
Pararotylenchus brevicaudatus (Hopper, 1959)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Helicotylenchus platyurus Perry in Perry, Darling & Thorne, 1959
Notes:
Greenland (Brzeski 1999).
Helicotylenchus spitsbergensis Loof, 1971*
Notes:
Svalbard (Loof 1971); Greenland (Brzeski 1999).
Helicotylenchus varicaudatus Yuen, 1964
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Pratylenchoides crenicauda Winslow, 1958
Pratylenchoides magnicauda (Thorne, 1935)
Nomenclature:
Tylenchorhynchus magnicauda (Thorne, 1935)
Pratylenchus pratensis (de Man, 1880)
Nomenclature:
Anguillulina pratense (de Man, 1880)
Hirschmanniella gracilis (de Man, 1880)
Nomenclature:
Tylenchus gracilis Cobb (lapsus)
Notes:
Svalbard (von Linstow 1900).
Hirschmanniella trimucronata Gagarin, 2000*
Notes:
Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a, Gagarin 2000, Gagarin 2001b).
Criconemoides annulatus Cobb in Taylor, 1936
Nomenclature:
Criconemoides hemispaericaudatus Wu, 1965*
Notes:
Svalbard (Loof 1971); Nunavut, Canada (Wu 1965).
Paratylenchus macrophallus (de Man, 1880)
Nomenclature:
species inquirenda; Anguillulina macrophallum (de Man, 1880)
Paratylenchus cf. projectus Jenkins, 1956
Notes:
Greenland (Brzeski 1999).
Anguina agrostis (Steinbuch, 1799)
Notes:
Nunavut, Canada (Mulvey 1963).
Subanguina askenasyi (Bütschli, 1873)
Nomenclature:
Ditylenchus askenasyi (Bütschli, 1873)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 2001b).
Ditylenchus acutatus Brzeski, 1991
Notes:
Greenland (Brzeski 1999).
Ditylenchus dryadis Anderson & Mulvey, 1980*
Notes:
Nunavut, Canada (Anderson and Mulvey 1980).
Ditylenchus equalis Heyns, 1964
Notes:
Greenland (Brzeski 1999).
Ditylenchus intermedius (de Man, 1880)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Nothotylenchus acris Thorne, 1941
Notes:
Nunavut, Canada (Mulvey 1969b); Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Nothotylenchus acutus Khan, 1965
Notes:
Nunavut, Canada (Mulvey 1969b).
Nothotylenchus attenuatus Mulvey, 1969*
Notes:
Nunavut, Canada (Mulvey 1969b).
Nothotylenchus cf. danubialis Andrássy, 1960
Notes:
Nunavut, Canada (Mulvey 1969b).
Deladenus durus (Cobb, 1922)
Notes:
Nunavut, Canada (Das 1964).
Hadrodenus megacondylus Mulvey, 1969*
Notes:
Nunavut, Canada (Mulvey 1969b).
Hexatylus mulveyi Das, 1964*
Notes:
Nunavut, Canada (Das 1964).
Prothallonema mucronatum (Thorne & Malek, 1968)
Nomenclature:
Stictylus mucronatus Thorne & Malek, 1968
Notes:
Greenland (Brzeski 1999); Nunavut, Canada (Mulvey 1969b).
Bunonema hessi Steiner, 1914
Notes:
Novaya Zemlya and Vaigach island, Russia (Steiner 1916b).
Bunonema reticulatum Richters, 1905
Diplogaster rivalis (Leydig, 1854)
Notes:
Lena River estuary, Russia (Gagarin 2001b).
Goffartia variabilis (Micoletzky, 1922)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 2001b, Gagarin 2001a, Gagarin 2008).
Fictor fictor (Bastian, 1865)
Notes:
Taymyr and Severnaya Zemlya, Russia (Kuzmin and Gagarin 1990).
Fictor shoshini Gagarin, 1995*
Notes:
Lena River estuary, Russia (Gagarin 1995, Gagarin 2001b); Novaya Zemlya and Vaigach island, Russia (Gagarin 1997a).
Koerneria angarensis (Gagarin, 1983)
Nomenclature:
Fictor angarensis (Gagarin, 1983)
Notes:
Lena River estuary, Russia (Gagarin 2001b); Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 2001b, Gagarin 2001a).
Koerneria ruricola (Gagarin, 1983)
Nomenclature:
Fictor ruricola (Gagarin, 1983)
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 2001b).
Mononchoides intermedius Gagarin, 1993
Notes:
Taymyr and Severnaya Zemlya, Russia (Gagarin 1996, Gagarin 2001b).
Choriorhabditis gracilicauda (de Man, 1876)
Nomenclature:
Rhabditis gracilicauda de Man, 1876
Choriorhabditis producta (Schneider, 1866)
Nomenclature:
Anguillulina intermedia (de Man, 1880)
Rhabditis terricola Dujardin, 1844
Nomenclature:
Rhabditis aspera Bütschli, 1873
Aphelenchus nivalis Aurivillius, 1883*
Notes:
Inquirenda et incertae sedis. Svalbard (Aurivillius 1883).
Macfadyenia filicaudata Allgén, 1953*
Notes:
Inquirenda et incertae sedis. Jan Mayen (Allgén 1953).
Parachromagasteriella arctica Allgén, 1953*
Notes:
Inquirenda et incertae sedis. Jan Mayen (Allgén 1953).
Plectus cirratus f.
parietinus sf. latilaimus Allgén, 1953*
Notes:
Inquirenda et incertae sedis. Jan Mayen (Allgén 1953).
Prodomorganus tajmiris Gagarin, 1993*
Notes:
Inquirenda et incertae sedis. Taymyr and Severnaya Zemlya, Russia (Gagarin 1990, Gagarin 1993, Gagarin 2001b).
Teratocephalus micrurus Rahm, 1924
Notes:
Inquirenda et incertae sedis. Taymyr and Severnaya Zemlya, Russia (Kuzmin 1972, Kuzmin and Gagarin 1990).
Tylenchus macrospiculatus Gagarin, 1997
Notes:
Nomen nudum. Novaya Zemlia and Vaigach island, Russia (Gagarin 1997a).