FAMILY Monhysteridae de Man, 1876 [checklist Jacobs 1987; Coomans & Eyualem Abebe 2006] [=Diplolaimellinae Jacobs, 1987] GENUS Austronema Cobb, 1914 SPECIES Austronema spirurum Cobb, 1914 [Redescription; Timm 1978 p.241] GENUS Branchinema Farooqui, 1967:354 SPECIES Branchinema paratelphusi Farooqui, 1967 GENUS Cryonema Tchesunov & Riemann, 1995:38 [Type is C. crassum] SPECIES Cryonema crassum Tchesunov & Riemann, 1995:39 SPECIES Cryonema tenue Tchesunov & Riemann, 1995:42 GENUS Diplolaimella Allgén, 1929 [=Diplolaimita Chitwood & Murphy, 1964:315] [type is schneideri] SPECIES Diplolaimella allgeni W. Schneider, 1937 SPECIES Diplolaimella chitwoodi Gerlach, 1957 SPECIES Diplolaimella dievengatensis Jacobs, van de Velde, Geraert & Vranken, 1990:2 SPECIES Diplolaimella gerlachi Pastor-de Ward, 1984:8 [Argentina, Santa Cruz, Ria Deseado, Embarcadero] SPECIES Diplolaimella monhysteroides Allgén, 1929 SPECIES Diplolaimella ocellata (Bütschli, 1874) [Gerlach 1957] [=Monhystera ocellata Bütschli, 1874] [=Diplolaimella schneideri Timm, 1952] SPECIES Diplolaimella ophthalmophora Timm, 1952 [as subspecies of allgeni] SPECIES Diplolaimella punicea Timm, 1952 SPECIES Diplolaimella signifera (Paramonov, 1929) [=Monhystera signifera Paramonov, 1929] SPECIES Diplolaimella stagnosa Lorenzen, 1966 SPECIES Diplolaimella thailandica Kito & Aryuthaka, 1998:124 [Ranong] GENUS Diplolaimelloides Meyl, 1954 SPECIES Diplolaimelloides altherri Meyl, 1954 SPECIES Diplolaimelloides bruciei Hopper, 1970 SPECIES Diplolaimelloides deconincki (Gerlach, 1951) [=Diplolaimella deconincki Gerlach, 1951] SPECIES Diplolaimelloides delyi Andrássy, 1958 [Redescription; Tchesunov 1987 p.1248] SPECIES Diplolaimelloides islandicus De Coninck, 1943 [Meyl 1954] [=Diplolaimella islandicua De Coninck, 1943] SPECIES Diplolaimelloides longispicula Jacobs, 1987:91 SPECIES Diplolaimelloides meyli Timm, 1961 SPECIES Diplolaimelloides oschei Meyl, 1954 SPECIES Diplolaimelloides palustris Tsalolikhin, 1985:56 [Mongolia] GENUS Eumonhystera Andrássy, 1981:23 [Diagnostic; Eyualem & Coomans 1995 p.7] [=Euraonhystera] [misspelling in Neave] SPECIES Eumonhystera ampliceps (Goffart, 1950) [syn. Jacobs 1987 p.22] [=Monhystera ampliceps Goffart, 1950] SPECIES Eumonhystera andrassyi (Bíró, 1969) [Description; Andrássy 1995 p.3] [=Monhystera andrassyi Bíró, 1969] SPECIES Eumonhystera barbata Andrássy, 1981:40 [Redescription; Ocana 1990 p.225] SPECIES Eumonhystera borealis Turpeenniemi, 1997:65 [Bothnian Bay, Hailuoto island] SPECIES Eumonhystera dadayi (Goodey, 1963) [Species inquirende] [=Monhystera dadayi Goodey, 1963] [=Prismatolaimus macrurus Daday, 1899] [Species inquirende] SPECIES Eumonhystera dispar (Bastian, 1865) [syn. Andrássy 1981 p.23; described by Gagarin 1997 p.28] [=Monhystera dispar Bastian, 1865] [=Monhystera crassa Bütschli, 1873] SPECIES Eumonhystera elegans (Allgén, 1928) [syn. Jacobs 1987 p.22] [=Monhystera elegans Allgén, 1928] SPECIES Eumonhystera filiformis (Bastian, 1865) [syn. Andrássy 1981 p.23; Diagnostic; Gagarin 1996 p.332] [=Monhystera filiformis Bastian, 1865] [=Monhystera strandi Allgén, 1934] [as subspecies of filiformis] SPECIES Eumonhystera fuelleborni (Daday, 1908) [Eumonhystera?] [=Monhystera fuelleborni Daday, 1908] SPECIES Eumonhystera geraerti Eyualem & Coomans, 1996:80 SPECIES Eumonhystera gracilior (Johnston, 1938) [syn. Andrássy 1981 p.23] [=Monhystera gracilior Johnston, 1938] [=Monhystera gracillima de Man, 1921] [praeocc. Cobb 1894 ?] [=Monhystera paragracillima Goodey, 1963] SPECIES Eumonhystera hungarica Andrássy, 1981:38 SPECIES Eumonhystera huruii Yunliang, Abebe & Coomans, 2002:84 SPECIES Eumonhystera kuzmini Gagarin, 1997:21 [Novaya Zemlya archipelago, Panykova Zemlya peninsula] SPECIES Eumonhystera longicaudatula (Gerlach & Riemann, 1973) [as subspecies of filiformis; Redescription; Tsalolikhin 1996 p.217] [=Monhystera longicaudatula Gerlach & Riemann, 1973] [=Monhystera lemani Juget, 1969] [as subspecies of filiformis] [=Monhystera longicauda Shefanski, 1924] [as subspecies of filiformis] [=Monhystera paralemani Gerlach & Riemann, 1973] [as subspecies of filiformis] [=Monhystera stefanskii Andrássy, 1977] SPECIES Eumonhystera maxima Gagarin, 1996:331 SPECIES Eumonhystera media Hernandez & Jordana, 1990:28 SPECIES Eumonhystera minuta (Filipjev, 1929) [syn. Jacobs 1987 p.22] [=Monhystera minuta Filipjev, 1929] SPECIES Eumonhystera mwerazii (Meyl, 1957) [syn. Andrássy 1981 p.24] [=Monhystera mwerazii Meyl, 1957] SPECIES Eumonhystera papuana (Daday, 1899) [Description; Gagarin 1996 p.333] [=Monhystera papuana Daday, 1899] SPECIES Eumonhystera paradoxa (Allgén, 1926) [syn. Jacobs 1987 p.23; Species inquirende] [=Monhystera paradoxa Allgén, 1926] SPECIES Eumonhystera patiens Armendariz, Agudo & Hernandez, 1992:6 SPECIES Eumonhystera propinqua (Daday, 1905) [Species inquirende] [=Monhystera propinqua Daday, 1905] SPECIES Eumonhystera pseudobulbosa (Daday, 1896) [Andrássy 1981; syn. of filiformis?] [=Monhystera pseudobulbosa Daday, 1896] [=Monhystera hallensis Paetzold, 1958] [as subspecies of multisetosa] SPECIES Eumonhystera rustica (Bütschli, 1873) [Andrassy 1981 p.24; syn. of filiformis?] [=Monhystera rustica Bütschli, 1873] [=Monhystera subrustica Cobb, 1906] SPECIES Eumonhystera serena Gagarin, 1993:66 SPECIES Eumonhystera sibirica Gagarin, 2003:1 SPECIES Eumonhystera similis (Bütschli, 1873) [Andrássy 1981 p.24] [=Monhystera similis Bütschli, 1873] [=Monhystera anomala Schneider, 1937] [=Monhystera arenicola Juget, 1969] [as subspecies of similis] [=Monhystera macrura Liebermannn, 1927] [as subspecies of similis] [=Monhystera pseudobulbosa Wu & Hoeppli, 1929] [as subspecies of filiformis] [=Monhystera pseudoparbulbosa Gerlach & Riemann, 1973] [as subspecies of filiformis] SPECIES Eumonhystera simplex (de Man, 1880) [syn. Andrássy 1981 p.24] [=Monhystera simplex de Man, 1880] SPECIES Eumonhystera subfiliformis (Cobb, 1918) [syn. Andrássy 1981 p.24] [=Monhystera subfiliformis Cobb, 1918] SPECIES Eumonhystera sudanensis Zeidan, Jacobs & Geraert, 1989:389 [Redescription; Tsalolikhin 1996 p.217] SPECIES Eumonhystera tatrica (Daday, 1897) [syn. Andrássy 1981 p.24] [=Monhystera tatrica Daday, 1897] SPECIES Eumonhystera tuporis Gagarin, 1991:26 TYPE SPECIES Eumonhystera vulgaris (de Man, 1880) [ Description; Hernandez & Jordana 1990 p.30] [=Monhystera vulgaris de Man, 1880] [=Monhystera intermedia Juget, 1969] [as subspecies of filiformis] [=Monhystera intermediella Gerlach & Riemann, 1973] [as subspecies of filiformis] GENUS Gammarinema Kinne & Gerlach, 1953 SPECIES Gammarinema ampullocauda (Paramonov, 1926) [syn. Lorenzen 1986 p.105] [=Monhystera ampullocauda Paramonov, 1926] SPECIES Gammarinema cambari (Allen, 1933):119 [North Carolina; Osche 1955 p.254] [=Rhabditis cambari Allen, 1933] SPECIES Gammarinema cardisoma Riemann, 1968 SPECIES Gammarinema gammari Kinne & Gerlach, 1953 [Redescription; Lorenzen 1986 p.106; Belogurov, Kulikov & Russkikh 1978 p.1144] SPECIES Gammarinema ligiae Gerlach, 1967 [Redescription; Lorenzen 1986 p.106] SPECIES Gammarinema mesidoteae Belogurov, Kulikov & Russkikh, 1978:1140 [crustacean host] SPECIES Gammarinema prilepskyi Tchesunov & Pletnikova in Chesunov & Pletnikova, 1986:79 [host Mesidothea entomon (Crustacea)] GENUS Geomonhystera Andrássy, 1981:31 [Diagnostic; Brzeski 1993 p.114] SPECIES Geomonhystera aenariensis (Meyl, 1953) [syn. Andrássy 1981 p.31] [=Monhystera aenariensis Meyl, 1953] SPECIES Geomonhystera altaica Gagarin, 2002:80 SPECIES Geomonhystera ambiguoides (Bütschli, 1874) [syn. Jacobs 1987 p.98; was syn. of ambigua] [=Monhystera ambiguoides Bütschli, 1874] [=Monhystera villosoides Otto, 1936] [praeocc.; syn. Jacobs 1987 p.98; as subspecies of similis] SPECIES Geomonhystera antarctica (Cobb, 1914) [syn. Jacobs 1987 p.98; was syn. of parva; syn. of disjuncta by Timm 1978 p.245] [=Monhystera antarctica Cobb, 1914] SPECIES Geomonhystera antarcticola Andrássy, 1998:124 [South Victoria Land, Dry Valley Systems, Mount Suess] SPECIES Geomonhystera australis (Cobb, 1893) [Redescription; Brzeski 1993 p.112; was syn. of Monhystera villosa; syn. Andrássy 1981 p.31] [=Monhystera australis Cobb, 1893] SPECIES Geomonhystera breviseta Brzeski, 1993:107 SPECIES Geomonhystera campbelli (Allgén, 1929) [syn. Jacobs 1987 p.99] [=Monhystera campbelli Allgén, 1929] SPECIES Geomonhystera chitwoodi (Steiner, 1958) [syn. Jacobs 1987 p.98] [=Monhystera chitwoodi Steiner, 1958] SPECIES Geomonhystera disjuncta (Bastian, 1865) [Redescription; Timm 1978 p.245; syn. Jacobs 1987 p.98] [=Monhystera disjuncta Bastian, 1865] [=Monhystera ambigua Bastian, 1865] [=Monhystera cameroni Steiner, 1958] [syn. Jacobs 1987 p.98] [=Monhystera paraambigua Allgén, 1933] [syn. Jacobs 1987 p.98] [=Monhystera paraambiguoides Allgén, 1932] [syn. Jacobs 1987 p.98] [=Monhystera vivipara Allgén, 1929] [Desmolaimus viviparus Allgén 1929 ?] SPECIES Geomonhystera dubia Siddiqi & Shahina, 2004:172 SPECIES Geomonhystera frequens (Onorato de Cillis, 1917) [syn. Jacobs 1987 p.98] [=Monhystera frequens Onorato de Cillis, 1917] SPECIES Geomonhystera glaciei Blome & Riemann, 1999:16 [Bellingshausen Sea, Adelaide Island] SPECIES Geomonhystera glandulata Khan & Tahseen, 2006:96 [Uttar Pradesh] SPECIES Geomonhystera japonica Khan & Araki, 2001:94 [Honshu, Ibaraki, Tsukuba] SPECIES Geomonhystera karuni Siddiqi & Shahina, 2004:169 SPECIES Geomonhystera longicaudata Gagarin, 2002:75 SPECIES Geomonhystera mali (Fuchs, 1938) [syn. Jacobs 1987 p.98] [=Monhystera mali Fuchs, 1938] SPECIES Geomonhystera media Gagarin, 2002:77 SPECIES Geomonhystera mexicana Brzeski, 1993:110 SPECIES Geomonhystera paradisjuncta (de Coninck, 1943) [syn. Jacobs 1987 p.98] [=Monhystera paradisjuncta de Coninck, 1943] SPECIES Geomonhystera pervaga (Argo & Heyns, 1973) [syn. Andrássy 1981 p.31] [=Monhystera pervaga Argo & Heyns, 1973] SPECIES Geomonhystera socialis (Bütschli, 1874) [syn. Jacobs 1987 p.98] [=Monhystera socialis Bütschli, 1874] SPECIES Geomonhystera tenuissima Goffart, 1950 [syn. Jacobs 1987 p.99] SPECIES Geomonhystera tripyloides (Andrássy, 1968) [syn. Andrássy 1981 p.31] [=Monhystera tripyloides Andrássy, 1968] SPECIES Geomonhystera uniformis (Cobb, 1914) [Redescription; Timm 1978 p.243; syn. Jacobs 1987 p.98] [=Monhystera uniformis Cobb, 1914] [=Monhystera barentsi Steiner, 1916] [syn. Jacobs 1987 p.99] [=Monhystera minuta Filipjev, 1930] [syn. Timm 1978 p.243] TYPE SPECIES Geomonhystera villosa (Bütschli, 1873) [ Description; Zullini 1980 p.23] [=Monhystera villosa Bütschli, 1873] [=Monhystera impetuosa Cobb, 1906] [=Monhystera steineri Micoletzky, 1922] [as subspecies of villosa] GENUS Hieminema Tchesunov & Portnova, 2005:906 TYPE SPECIES Hieminema obliquorum Tchesunov & Portnova, 2005:906 [Russia; In Russian; marine] GENUS Litotes Cobb, 1920:978 TYPE SPECIES Litotes minuta Cobb, 1920 GENUS Longilaimus Allgén, 1958:215 SPECIES Longilaimus brachyuris Allgén, 1959 SPECIES Longilaimus filicaudatus Allgén, 1958 GENUS Monhystera Bastian, 1865c [Diagnostic; Eyualem & Coomans 1995 p.7] [=Austronema Cobb, 1914] [ref. TImm 1978; type is spirurum] [=Helalaimus Onorato de Cillis, 1918:58] [type is psilocephala] [=Monohystera de Man, 1889] [misspelling?] [=Tachyhodites Bastian, 1865c:155] [type is natans] [=Tachyhoditis] [misspelling] SPECIES Monhystera africana Andrássy, 1964 SPECIES Monhystera afromacramphis Jacobs, 1987 SPECIES Monhystera altherri (Andrássy, 1981):23 [syn. Jacobs 1987 p.45] [=Eumonhystera altherri Andrássy, 1981] SPECIES Monhystera andrassyi Biro, 1969 SPECIES Monhystera annulifera Daday, 1905 SPECIES Monhystera anomala Schneider, 1937 SPECIES Monhystera anoxybiotica (Jensen, 1986):1 [=Monohystera anoxybiotica Jensen, 1986] SPECIES Monhystera bothriolaima Steiner, 1916 SPECIES Monhystera capitata Stekhoven, 1942 SPECIES Monhystera chesapeakensis Timm, 1952 SPECIES Monhystera coomansi Jacobs & Heyns, 1992:4 SPECIES Monhystera dahli Wieser in Brinck, 1956 [et al.] SPECIES Monhystera deleyi Eyualem & Coomans, 1996:33 SPECIES Monhystera droebachiensis Allgén, 1931 SPECIES Monhystera fasciculata Skwarra, 1921 SPECIES Monhystera filiformis Bastian, 1865 [Redescription; Joubert & Heyns 1980 p.194] SPECIES Monhystera frigida Cobb, 1914 [Redescription; Timm 1978 p.244] SPECIES Monhystera gabaza Joubert & Heyns, 1980:193 [Redescription; Jacobs, Heyns & Coomans 1994 p.65] SPECIES Monhystera gracilicauda Stekhoven, 1950 SPECIES Monhystera hamata Gagarin & Thanh, 2005:110 SPECIES Monhystera heterolaima Stekhoven, 1950 SPECIES Monhystera insignis Cobb, 1893 SPECIES Monhystera islandice De Coninck, 1943 SPECIES Monhystera izhorica Filipjev, 1929 SPECIES Monhystera karachiensis Timm, 1963 SPECIES Monhystera labiata Daday, 1903 SPECIES Monhystera lemani Juget, 1969 SPECIES Monhystera longicaudata Bastian, 1865 [Redescription; Tsalolikhin 1988 p.61] SPECIES Monhystera longicaudata Bastian, 1865 [Redescription; Tsalolikhin 1988 p.61] SPECIES Monhystera longissimecaudata Kreis in Allgén, 1935 [=Monhystera gracillima Kreis, 1929] [praeocc. Cobb 1894?] [=Monhystera kreisi Johnston, 1938] SPECIES Monhystera macquariensis Allgén, 1929 SPECIES Monhystera macramphis Filipjev, 1930 SPECIES Monhystera macrolabiata Kreis, 1928 SPECIES Monhystera magnacephala Joubert & Heyns, 1980:193 [as magnocephala in ZR; Redescription; Tsalolikhin 1996 p.217; Jacobs, Heyns & Coomans 1994 p.62] SPECIES Monhystera nubiae Eyualem & Coomans, 1996:28 SPECIES Monhystera paludicola de Man, 1881 SPECIES Monhystera papuana Daday, 1899 SPECIES Monhystera paramacramphis Meyl, 1954 [=Monhystera parasalina] [as subspecies of stagnalis] SPECIES Monhystera paramonovi Allgén, 1929 SPECIES Monhystera paratensis Cobb, 1893 SPECIES Monhystera paravillosa Meyl, 1954 SPECIES Monhystera parvelle Filipjev, 1931 SPECIES Monhystera psammophila Juget, 1969 SPECIES Monhystera psilocephala de Cillis, 1917 [=Helalaimus psilocephalus de Cillis, 1917] SPECIES Monhystera riemanni Jacobs & Heyns, 1987 SPECIES Monhystera rivularis Bastian, 1865 SPECIES Monhystera robustospiculum Jacobs & Heyns, 1987 SPECIES Monhystera rolandi Khan & Tahseen, 2006:92 [Uttar Pradesh] SPECIES Monhystera sabulicoa Allgén, 1929 SPECIES Monhystera septentrionalis Cobb, 1914 [Redescription; Timm 1978 p.244] SPECIES Monhystera shibrui Eyualem & Coomans, 1996:11 SPECIES Monhystera somereni Allgén, 1952 [Description; Botha & Heyns 1992 p.17; Redescription; Joubert & Heyns 1980 p.195] SPECIES Monhystera spiralis Wu & Hoeppli, 1926 SPECIES Monhystera spirurum (Cobb, 1914) [Redescription; Timm 1978 p.241] [=Austronema spirurum Cobb, 1914] SPECIES Monhystera stadleri Goffart, 1950 TYPE SPECIES Monhystera stagnalis Bastian, 1865 [ Redescription; Tsalolikhin 1996 p.217] [=Monhystera alpina Filipjev, 1918] [placed Eumonhystera by Andrássy 1981 p.23] [=Monhystera oculata Linstow, 1878] [=Monhystera pseudomacrura Khera, 1971] [syn. Jacobs 1987 p.70] [=Monhystera wangi Wu & Hoeppli, 1929] SPECIES Monhystera taaiboschiensis Joubert & Heyns, 1980:191 [Redescription; Jacobs, Heyns & Coomans 1994 p.65] SPECIES Monhystera tanae Eyualem & Coomans, 1996:21 SPECIES Monhystera uncibrevispiculata Lemzina, 1990:63 SPECIES Monhystera uncigubernaculum Zeidan, Jacobs & Geraert, 1989:379 SPECIES Monhystera uncispiculata Gagarin, 1979:596 SPECIES Monhystera villosoides Otto, 1936 [subspecies?] SPECIES Monhystera vulgaris de Man, 1880 SUBSPECIES Monhystera paralemani SUBSPECIES Monhystera vulgaris de Man, 1880 GENUS Monhystrella Cobb, 1918:203 [Diagnostic; Eyualem & Coomans 1996; included taxa Jacobs 1987 p.192] [=Monohystrella] [misspelling in Neave] SPECIES Monhystrella altherri Juget, 1969 SPECIES Monhystrella anophthalma (Lorenzen, 1969) [syn. Jacobs 1987 p.192] [=Monhystera anophthalma Lorenzen, 1969] [=Monhystrella caeca de Man, 1880] [syn. Jacobs 1987 p.109; as subspecies of vulgaris; ?] SPECIES Monhystrella arsiensis Eyualem & Coomans, 1996:61 SPECIES Monhystrella atteae Eyualem & Coomans, 1996:70 SPECIES Monhystrella bulbifera (de Man, 1880) [=Monhystera bulbifera de Man, 1880] SPECIES Monhystrella elegantula (Schuurmans Stekhoven, 1935) [syn. Jacobs 1987 p.192] [=Monhystera elegantula Schuurmans Stekhoven, 1935] SPECIES Monhystrella ethiopica Eyualem & Coomans, 1996:66 SPECIES Monhystrella gracilis Khera, 1966 SPECIES Monhystrella hastata Andrássy, 1968 SPECIES Monhystrella hoogewijsi Eyualem & Coomans, 1996:54 SPECIES Monhystrella inaequispiculum Lorenzen, 1979:208 SPECIES Monhystrella iranica Schiemer, 1965 [as subspecies of marina] SPECIES Monhystrella jacobsi Eyualem & Coomans, 1996:57 SPECIES Monhystrella kerryi Khan, Hussain, Sultana & Tahseen, 2005:67 SPECIES Monhystrella lepidura (Andrássy, 1963) [Redescription; Ocana 1990 p.226] [=Monhystera lepidura Andrássy, 1963] SPECIES Monhystrella longistoma (Khera, 1970) [syn. Andrássy 1981 p.34] [=Monhystera longistoma Khera, 1970] SPECIES Monhystrella macrura (de Man, 1880) [syn. Andrássy 1981 p.34] [=Monhystera macrura de Man, 1880] SPECIES Monhystrella marina Timm, 1964 SPECIES Monhystrella microphthalma (de Man, 1880) [syn. Jacobs 1987 p.192] [=Monhystera microphthalma de Man, 1880] SPECIES Monhystrella paraelegantula de Coninck, 1943 [orignal genus?; Andrássy 1981; Description; Vranken, Vincx & Thielemans 1982 p.95; parelegantula?] SPECIES Monhystrella paramacrura (Meyl, 1954) [=Monhystera paramacrura Meyl, 1954] SPECIES Monhystrella parelegantula (de Coninck, 1943) [syn. Andrássy 1981 p.34] [=Monhystera parelegantula de Coninck, 1943] [=Monhystera salina Meyl, 1954] [as subspecies of filiformis; syn. Andrássy 1981 p.35 as valid?] SPECIES Monhystrella parvella (Filipjev, 1931) [syn. Jacobs 1987 p.117] [=Monhystera parvella Filipjev, 1931] [=Diplolaimella pusilla Tsalolikhin, 1993:37] [syn. Tsalolikhin 1996 p.217] TYPE SPECIES Monhystrella plectoides Cobb, 1918 SPECIES Monhystrella postvulvae Khan & Araki, 2001:92 [Honshu, Ibaraki, Tsukuba] SPECIES Monhystrella salina Meyl, 1954 SPECIES Monhystrella stewarti (Khera, 1970) [syn. Andrássy 1981 p.35] [=Monhystera stewarti Khera, 1970] SPECIES Monhystrella thermophila (Meyl, 1953) [syn. Andrássy 1981 p.35] [=Monhystera thermophila Meyl, 1953] SPECIES Monhystrella trichura (Allgén, 1930) [syn. Jacobs 1987 p.110] [=Monhystera trichura Allgén, 1930] SPECIES Monhystrella woitorum Eyualem & Coomans, 1996:65 GENUS Monhystrium Cobb, 1920:204 SPECIES Monhystrium brevis Yoshimura, 1990:758 [host Chiromantes haematocheir (Crustacea)] SPECIES Monhystrium inquilinus Riemann, 1969 [Gerlach & Riemann 1973] SPECIES Monhystrium tenuis Yoshimura, 1990:756 [host Sesarma (Parasesarma) erythrodactylum (Crustacea)] SPECIES Monhystrium transitans Cobb, 1920 [Gerlach & Riemann 1973] SPECIES Monhystrium wilsoni (Baylis, 1915) [ Cobb 1920] [=Monhystera wilsoni Baylis, 1915] GENUS Odontobius Rousse de Vauzème, 1834 [ref Lorenzen 1986; also Jap. Nem.] SPECIES Odontobius ceti Rousse de Vauzème, 1834 [in whale] GENUS Sitadevinema Khera, 1970:492 SPECIES Sitadevinema dentiferum Khera, 1971 GENUS Solenolaimus Cobb, 1894 SPECIES Solenolaimus obtusus Cobb, 1894 GENUS Southernia Allgén, 1929 [syn. of Cyartonema by Inglis 1986 p.14] SPECIES Southernia roervikensis Allgén, 1949 SPECIES Southernia siphonolaimoides Wieser, 1956 SPECIES Southernia tenuicauda Allgén, 1933 SPECIES Southernia zosterae Allgén, 1929 [=Southernia rubra Schulz, 1932] GENUS Thalassomonhystera Jacobs, 1987:9 [=Anguimonhystera Andrássy, 1981:30] [syn. Jacobs 1987] SPECIES Thalassomonhystera amabilis (Gagarin, 1997):28 [Redescription; Gagarin 2001 p.15; Novaya Zemlya archipelago, Panykova Zemlya peninsula; syn. Coomans & Eyualem Abeb 2006 p.592] [=Monhystera amabilis Gagarin, 1997] SPECIES Thalassomonhystera ampliceps (Goffart, 1950) [syn. Andrássy 1981 p.30] [=Monhystera ampliceps Goffart, 1950] SPECIES Thalassomonhystera anoxybiota (Jensen, 1986) [syn. Jacobs 1987 p.74] [=Monhystera anoxybiota Jensen, 1986] SPECIES Thalassomonhystera attenuata (Filipjev, 1922) [syn. Jacobs 1987 p.74] [=Monhystera attenuata Filipjev, 1922] SPECIES Thalassomonhystera bathislandica Riemann, 1995:717 SPECIES Thalassomonhystera cartaromanae (Meyl, 1954) [syn. Jacobs 1987 p.76] [=Monhystera cartaromanae Meyl, 1954] SPECIES Thalassomonhystera cephalophora (de Man, 1876) [syn. Jacobs 1987 p.75] [=Monhystera cephalophora de Man, 1876] SPECIES Thalassomonhystera collaris (Filipjev, 1922) [syn. Jacobs 1987 p.75] [=Monhystera collaris Filipjev, 1922] SPECIES Thalassomonhystera cuspidospiculum (Allgén, 1932) [syn. Jacobs 1987 p.74; Diagnostic; Lorenzen 1979 p.207] [=Monhystera cuspidospiculum Allgén, 1932] SPECIES Thalassomonhystera denticulata (Timm, 1952) [syn. Jacobs 1987 p.74] [=Monhystera denticulata Timm, 1952] SPECIES Thalassomonhystera diplops (Cobb, 1894) [syn. Jacobs 1987 p.74] [=Monhystera diplops Cobb, 1894] SPECIES Thalassomonhystera gerlachii (Meyl, 1954) [syn. Jacobs 1987 p.74] [=Monhystera gerlachii Meyl, 1954] SPECIES Thalassomonhystera islandica (de Coninck, 1943) [syn. Jacobs 1987 p.74;] [=Monhystera islandica de Coninck, 1943] SPECIES Thalassomonhystera longicapitata (Filipjev, 1922) [syn. Jacobs 1987 p.76] [=Monhystera longicapitata Filipjev, 1922] [=Monhystera tenuicaudata Allgén, 1929] SPECIES Thalassomonhystera luisae (Bresslau & Schuurmans Stekhoven in Schuurmans Stekhoven, 1935) [syn. Jacobs 1987 p.76] [=Monhystera luisae Bresslau & Schuurmans Stekhoven in Schuurmans Stekhoven, 1935] SPECIES Thalassomonhystera magallanica (Weiser, 1956) [syn. Jacobs 1987 p.74] [=Monhystera magallanica Weiser, 1956] SPECIES Thalassomonhystera molloyensis Tchesunov & Miljutina, 2005:29 [Arctic Ocean] SPECIES Thalassomonhystera multisetosa (Meyl, 1955) [syn. Jacobs 1987 p.74] [=Monhystera multisetosa Meyl, 1955] SPECIES Thalassomonhystera natans (Bastian, 1865c) [syn. Jacobs 1987 p.75] [=Tachyhodites natans Bastian, 1865c] SPECIES Thalassomonhystera ocellidecorus (Hopper & Meyers, 1967) [syn. Jacobs 1987 p.74] [=Monhystera ocellidecorus Hopper & Meyers, 1967] [=Monhystera dubicola Hopper & Meyers, 1967] [syn. Jacobs 1987 p.74] SPECIES Thalassomonhystera oxycephalata Tchesunov & Miljutina, 2005:26 [Arctic Ocean] SPECIES Thalassomonhystera pachyuris (Ditlevsen, 1928) [syn. Jacobs 1987 p.75] [=Monhystera pachyuris Ditlevsen, 1928] SPECIES Thalassomonhystera parasimilis (Allgén, 1926) [syn. Jacobs 1987 p.75] [=Monhystera parasimilis Allgén, 1926] SPECIES Thalassomonhystera parasimplex (de Coninck, 1943) [syn. Jacobs 1987 p.74] [=Monhystera parasimplex de Coninck, 1943] [=Monhystera hallensis Paetzold, 1958] TYPE SPECIES Thalassomonhystera parva Bastian, 1865 [syn. Jacobs 1987 p.75] [=Monhystera heteroparva Micoletzky, 1924] [=Monhystera kossnensis Paramonov, 1929] [=Tachyhodites parvus Bastian, 1865] [as Tachyhoditis] SPECIES Thalassomonhystera praevulvata (Allgén, 1932) [syn. Jacobs 1987 p.75] [=Monhystera praevulvata Allgén, 1932] SPECIES Thalassomonhystera pratensis (Cobb, 1893) [syn. Jacobs 1987 p.75] [=Monhystera pratensis Cobb, 1893] SPECIES Thalassomonhystera pusilla (Boucher & Helleouets, 1977) [syn. Jacobs 1987 p.75] [=Monhystera pusilla Boucher & Helleouets, 1977] SPECIES Thalassomonhystera refringens (Bresslau & Stekhoven in Stekhoven, 1935) [syn. Jacobs 1987 p.75 as refrigens] [=Monhystera refringens Bresslau & Stekhoven in Stekhoven, 1935] [=Monhystera britannica Wieser, 1951] [as subspecies of refringens] SPECIES Thalassomonhystera rotundicapitata (Filipjev, 1922) [syn. Jacobs 1987 p.75] [=Monhystera rotundicapitata Filipjev, 1922] SPECIES Thalassomonhystera siamensis Kito & Aryuthaka, 1998:127 [Chanthaburi] SPECIES Thalassomonhystera stadleri (Goffart, 1950) [syn. Jacobs 1987 p.75] [=Monhystera stadleri Goffart, 1950] SPECIES Thalassomonhystera subulicola (Allgén, 1929) [syn. Jacobs 1987 p.75] [=Monhystera subulicola Allgén, 1929] SPECIES Thalassomonhystera suecica (Allgén, 1926) [syn. Jacobs 1987 p.75] [=Monhystera suecica Allgén, 1926] SPECIES Thalassomonhystera tasmaniensis (Allgén, 1927) [syn. Jacobs 1987 p.75] [=Monhystera tasmaniensis Allgén, 1927] SPECIES Thalassomonhystera tenuis (Schuurmans Stekhoven, 1935) [syn. Jacobs 1987 p.76] [=Monhystera tenuis Schuurmans Stekhoven, 1935] SPECIES Thalassomonhystera tenuissima (Goffart, 1950) [syn. Andrássy 1981 p.30] [=Monhystera tenuissima Goffart, 1950] SPECIES Thalassomonhystera tobagoensis (Allgén, 1947) [syn. Jacobs 1987 p.76] [=Monhystera tobagoensis Allgén, 1947] SPECIES Thalassomonhystera traesti Abebe, Peng & Coomans, 2001:186 SPECIES Thalassomonhystera uria (Stewart, 1914) [syn. Jacobs 1987 p.75] [=Monhystera uria Stewart, 1914] SPECIES Thalassomonhystera venusta (Lorenzen, 1979):212 [syn. Jacobs 1987 p.75] [=Monhystera venusta Lorenzen, 1979] GENUS Tridentulus Eyualem & Coomans, 1995:5 [Diagnostic; Gagarin & Holovachov 2001 p.116] SPECIES Tridentulus bidenticulatus Gagarin, 1997:22 [Novaya Zemlya archipelago, South Island; syn. Gagarin 2001 p.21] [=Eumonhystera bidenticulata Gagarin, 1997] SPECIES Tridentulus brzeskii Gagarin & Gusakov, 2000:221 [Yaroslavl district, Latka River; described by Gagarin 2003 p.5] TYPE SPECIES Tridentulus floreanae (Abebe & Coomans, 1995):29 [ Redescription; Eyualem & Coomans 1995 p.6; author?] [=Monhystera floreanae Abebe & Coomans, 1995] [=Tridentulus obscurus Gagarin, 2001:17] [Honshu, Lake Biwa, In Russian; syn. Gagarin & Holovachov 2001 p.114] SPECIES Tridentulus fluviatilis Gagarin, 2004:11 [In Russian] SPECIES Tridentulus minor Gagarin, 2001:19 [Honshu, Lake Biwa, In Russian] SPECIES Tridentulus palustris Gagarin & Holovachov, 2001:113 GENUS Tripylium Cobb, 1920:566 SPECIES Tripylium calkinsi Chitwood, 1935 [as subspecies of carcinicola] TYPE SPECIES Tripylium carcinicola (Baylis, 1915) [ author?] [=Monhystera carcinicola Baylis, 1915] GENUS Zygonemella Cobb, 1920:247 SPECIES Zygonemella striata Cobb, 1920 [Gerlach & Riemann 1973]