FAMILY Epsilonematidae Steiner, 1927 [=Glochinematinae Lorenzen, 1974] [Diagnostic; Raes, Vanreusel & Decraemer 2003 p.58] GENUS Akanthepsilonema Gourbault & Decraemer, 1991:315 [Diagnosis Gourbault and Decraemer] TYPE SPECIES Akanthepsilonema helleouetae Gourbault & Decraemer, 1991:315 SPECIES Akanthepsilonema sinecornibus Raes, Decraemer & Vanreusel, 2006:99 [North Atlantic] GENUS Archepsilonema Steiner, 1927:66 [1931?] SPECIES Archepsilonema adelum Steiner, 1931 SPECIES Archepsilonema bathycolum Steiner, 1931 SPECIES Archepsilonema celidotum Steiner, 1931 SPECIES Archepsilonema gaussi Steiner, 1931 SPECIES Archepsilonema microamphidis Steiner, 1931 SPECIES Archepsilonema poicilocricum Steiner, 1931 SPECIES Archepsilonema sagmacricum Steiner, 1931 SPECIES Archepsilonema schizocrium Steiner, 1931 GENUS Epsilonella Steiner, 1931:207 SPECIES Epsilonella gracilis Steiner, 1931 GENUS Epsilonema Steiner, 1927 [=Epsilonematina Johnston, 1938:150] [nomen nova] SPECIES Epsilonema allohystera Steiner, 1931 SPECIES Epsilonema antarctica Steiner, 1931 [=Epsilonema antarcticum Steiner, 1931] [?] SPECIES Epsilonema aphana Steiner, 1931 [=Epsilonema aphanum Steiner, 1931] SPECIES Epsilonema apionipherum (Steiner, 1931) [=Prochaetosoma apionipherum Steiner, 1931] SPECIES Epsilonema aschistocricum (Steiner, 1931) [=Prochaetosoma aschistocricum Steiner, 1931] SPECIES Epsilonema atechnum (Steiner, 1931) [=Prochaetosoma atechnum Steiner, 1931] SUBSPECIES Epsilonema atechnum (Steiner, 1931) [=Prochaetosoma atechnum Steiner, 1931] SUBSPECIES Epsilonema heterocricoides [?] [=Prochaetosoma heterocricum Steiner, 1931] SUBSPECIES Epsilonema lophocricum (Steiner, 1931) [=Prochaetosoma lophocricum Steiner, 1931] SPECIES Epsilonema ateles Steiner, 1931 SPECIES Epsilonema brachycraspedota Steiner, 1931 [=Epsilonema brachycraspedotum Steiner, 1931] SPECIES Epsilonema campta Steiner, 1931 [=Epsilonema camptum Steiner, 1931] SPECIES Epsilonema camptocricum Steiner, 1931 SPECIES Epsilonema charactocricum (Steiner, 1931) [=Prochaetosoma charactocricum Steiner, 1931] SPECIES Epsilonema colobathrophora Steiner, 1931 [=Epsilonema colobathrophorum Steiner, 1931] SPECIES Epsilonema corynodes Steiner, 1931 SPECIES Epsilonema cryptamphis Decraemer & Gourbault, 1987:58 SPECIES Epsilonema cyclophra Steiner, 1931 [=Epsilonema cyclophrum Steiner, 1931] SPECIES Epsilonema cygnoides (Metschnikoff, 1867) [=Rhabdogaster cygnoides Metschnikoff, 1867] SPECIES Epsilonema cyrtum Steiner, 1931 [Redescription; Decraemer 1991 p.36] SPECIES Epsilonema dentatum Lorenzen, 1973 [Redescription; Clasing 1986 p.297] SPECIES Epsilonema desmocricum Steiner, 1931 SPECIES Epsilonema dichotoma Steiner, 1931 [=Epsilonema dichotomum Steiner, 1931] SPECIES Epsilonema dicrocricum Steiner, 1931 SPECIES Epsilonema docidocricum (Steiner, 1931) [Redescription; Decraemer 1991 p.23] [=Prochaetosoma docidocricum Steiner, 1931] [=Prochaetosoma cosmetocricum Steiner, 1931] [syn. Decraemer 1991 p.23] [=Epsilonema dictyotocrium Steiner, 1931] [syn. Decraemer 1991 p.23] [=Epsilonema rhabdotum Steiner, 1931] [syn. Decraemer 1991 p.23] [=Prochaetosoma striatum Steiner, 1931] [syn. Decraemer 1991 p.23] SPECIES Epsilonema dynatocricum (Steiner, 1931) [=Prochaetosoma dynatocricum Steiner, 1931] SPECIES Epsilonema enigmaticum Gourbault & Decraemer, 1994:387 SPECIES Epsilonema espeeli Verschelde & Vincx, 1994:79 SPECIES Epsilonema eucalobates (Steiner, 1931) [=Prochaetosoma eucalobates Steiner, 1931] SPECIES Epsilonema eucraspedota Steiner, 1931 [=Epsilonema eucraspedotum Steiner, 1931] SPECIES Epsilonema eumecum (Steiner, 1931) [=Prochaetosoma eumecum Steiner, 1931] SPECIES Epsilonema eustegum (Steiner, 1931) [=Prochaetosoma eustegum Steiner, 1931] SPECIES Epsilonema exoticum Gourbault & Decraemer, 1994:384 SPECIES Epsilonema fernandineuse Clasing, 1984:160 SPECIES Epsilonema frigida Steiner, 1931 [=Epsilonema frigidum Steiner, 1931] SPECIES Epsilonema geometroides (Steiner, 1931) [=Prochaetosoma geometroides Steiner, 1931] SPECIES Epsilonema glaphyrum (Steiner, 1931) [=Prochaetosoma glaphyrum Steiner, 1931] SPECIES Epsilonema glottocricum (Steiner, 1931) [=Prochaetosoma glottocricum Steiner, 1931] SPECIES Epsilonema hadroctenum (Steiner, 1931) [=Prochaetosoma hadroctenum Steiner, 1931] SUBSPECIES Epsilonema asymmetricum (Steiner, 1931) [=Prochaetosoma asymmetricum Steiner, 1931] SUBSPECIES Epsilonema epsilonoides (Steiner, 1931) [=Prochaetosoma epsilonoides Steiner, 1931] SUBSPECIES Epsilonema hadroctenum (Steiner, 1931) [=Prochaetosoma hadroctenum Steiner, 1931] SPECIES Epsilonema herpeta Steiner, 1931 [=Epsilonema herpetum Steiner, 1931] SPECIES Epsilonema heterocricum Steiner, 1931 SPECIES Epsilonema hexastoicha Steiner, 1931 [=Epsilonema hexastoichum Steiner, 1931] SPECIES Epsilonema holocricum (Steiner, 1931) [=Prochaetosoma holocricum Steiner, 1931] SPECIES Epsilonema homalocricum Steiner, 1931 SPECIES Epsilonema homoiocricum Steiner, 1931 SPECIES Epsilonema hygrum (Steiner, 1931) [=Prochaetosoma hygrum Steiner, 1931] SPECIES Epsilonema ilyspastica Steiner, 1931 [=Epsilonema ilyspasticum Steiner, 1931] SPECIES Epsilonema labidurum (Steiner, 1931) [=Prochaetosoma labidurum Steiner, 1931] SPECIES Epsilonema lasium Lorenzen, 1973 [Redescription; Lorenzen 1992 p.444] SPECIES Epsilonema leptomeres Steiner, 1931 SPECIES Epsilonema leptothorax Steiner, 1931 SPECIES Epsilonema leptotrachelum (Steiner, 1931) [=Prochaetosoma leptotrachelum Steiner, 1931] SPECIES Epsilonema leptotricha Steiner, 1931 [=Epsilonema leptotrichum Steiner, 1931] SPECIES Epsilonema longispicula Decraemer, 1982:13 SPECIES Epsilonema mangrovense Clasing, 1984:164 [Redescription; Decraemer & Gourbault 1987 p.72] SPECIES Epsilonema margaritatum Decraemer & Gourbault, 1987:60 SPECIES Epsilonema metschnikoffi Steiner, 1931 SPECIES Epsilonema meunierorum Decraemer & Gourbault, 1987:62 SPECIES Epsilonema microctenum (Steiner, 1931) [=Prochaetosoma microctenum Steiner, 1931] SPECIES Epsilonema mixta Steiner, 1931 [=Epsilonema mixtum Steiner, 1931] SPECIES Epsilonema monadicum (Steiner, 1931) [=Prochaetosoma monadicum Steiner, 1931] SUBSPECIES Epsilonema conocephalum (Steiner, 1931) [=Prochaetosoma conocephalum Steiner, 1931] SUBSPECIES Epsilonema monadicum (Steiner, 1931) [=Prochaetosoma monadicum Steiner, 1931] SPECIES Epsilonema multispiralum Raes, Vanreusel & Decraemer, 2003:59 SPECIES Epsilonema nanna Steiner, 1931 [=Epsilonema nannum Steiner, 1937] SPECIES Epsilonema oligechon Steiner, 1931 SPECIES Epsilonema oligistocricum (Steiner, 1931) [=Prochaetosoma oligistocricum Steiner, 1931] SPECIES Epsilonema oligoschista Steiner, 1931 [=Epsilonema oligoschistum Steiner, 1931] SPECIES Epsilonema oligostegum (Steiner, 1931) [=Prochaetosoma oligostegum Steiner, 1931] SPECIES Epsilonema oodamphis Decraemer & Gourbault, 1987:65 SPECIES Epsilonema pachymeres (Steiner, 1931) [=Prochaetosoma pachymeres Steiner, 1931] SPECIES Epsilonema paralasium Decraemer & Gourbault, 1987:67 SPECIES Epsilonema parvospina Decraemer, 1982 SPECIES Epsilonema penionoides (Steiner, 1931) [=Prochaetosoma penionoides Steiner, 1931] SPECIES Epsilonema penumatica Steiner, 1931 [=Epsilonema penumaticum Steiner, 1931] SPECIES Epsilonema philopsychra Steiner, 1931 [=Epsilonema philopsychrum Steiner, 1931] SPECIES Epsilonema placipherum (Steiner, 1931) [=Prochaetosoma placipherum Steiner, 1931] SPECIES Epsilonema poicilothrix Steiner, 1931 SUBSPECIES Epsilonema macrum Steiner, 1931 SUBSPECIES Epsilonema poicilothrix Steiner, 1931 SUBSPECIES Epsilonema strongylotum Steiner, 1931 SPECIES Epsilonema polychistum (Steiner, 1931) [=Prochaetosoma polychistum Steiner, 1931] SPECIES Epsilonema polycricum Steiner, 1931 SPECIES Epsilonema primitiva Steiner, 1931 [=Epsilonema primitivum Steiner, 1931] SPECIES Epsilonema pustulatum (Gerlach, 1952) [=Bathyepsilonema pustulatum Gerlach, 1952] [=Bathyepsilonema anulosum Verschelde & Vincx, 1922:180] [syn. Karssen, Van Aelst & De Deyn 2000 p.686; Gourbault & Decraemer 1996 p.139 as Epsilonema] SPECIES Epsilonema rhogmacricum Steiner, 1931 SPECIES Epsilonema semeionoides Steiner, 1931 SPECIES Epsilonema serrulatum Lorenzen, 1973 [Redescription; Clasing 1986 p.299] SPECIES Epsilonema sigmatoides Steiner, 1931 SPECIES Epsilonema simoloma Steiner, 1931 [=Epsilonema simolomum Steiner, 1931] SPECIES Epsilonema sphalera Steiner, 1931 [=Epsilonema sphalerum Steiner, 1931] SPECIES Epsilonema sphenostegum (Steiner, 1931) [=Prochaetosoma sphenostegum Steiner, 1931] SPECIES Epsilonema spinulosum (Lorenzen, 1993):442 [syn. Gourbault & Decraemer 1996 p.141] [=Bathyepsilonema spinulosum Lorenzen, 1993] SPECIES Epsilonema steineri (Chitwood, 1935) [=Epsilonematina steineri Chitwood, 1935] [=Epsilonema steineri Chitwood, 1935] SPECIES Epsilonema stenocricum (Steiner, 1931) [=Prochaetosoma stenocricum Steiner, 1931] SPECIES Epsilonema sterrurum (Steiner, 1931) [=Prochaetosoma sterrurum Steiner, 1931] SPECIES Epsilonema stolidotum (Steiner, 1931) [=Prochaetosoma stolidotum Steiner, 1931] SPECIES Epsilonema symbiotica Steiner, 1931 [=Epsilonema symbioticum Steiner, 1931] SPECIES Epsilonema tegocricum (Steiner, 1931) [=Prochaetosoma tegocricum Steiner, 1931] SPECIES Epsilonema tenue (Steiner, 1931) [=Prochaetosoma tenue Steiner, 1931] SPECIES Epsilonema thinophila Steiner, 1931 [=Epsilonema thinophilum Steiner, 1931] SPECIES Epsilonema thyridocricum Steiner, 1931 [=Epsilonema thinophilum Steiner, 1931] SPECIES Epsilonema trachelata Steiner, 1931 [=Epsilonema trachelatum Steiner, 1931] SPECIES Epsilonema trachelogater Steiner, 1931 SPECIES Epsilonema tricola Steiner, 1931 GENUS Epsilonoides Steiner, 1931:357 SPECIES Epsilonoides acanthophorus Steiner, 1931 SPECIES Epsilonoides cordylophorus Steiner, 1931 SPECIES Epsilonoides cosmetus Steiner, 1931 SPECIES Epsilonoides eurycricum Steiner, 1931 SPECIES Epsilonoides gephyrocricum Steiner, 1931 SPECIES Epsilonoides hormiscophorus Steiner, 1931 SPECIES Epsilonoides leiocephalus Steiner, 1931 SPECIES Epsilonoides leptocephalus Steiner, 1931 SPECIES Epsilonoides litus Steiner, 1931 SPECIES Epsilonoides marmarotus Steiner, 1931 SPECIES Epsilonoides mirabilis Steiner, 1931 SPECIES Epsilonoides pectus Steiner, 1931 SPECIES Epsilonoides phlyctainocricum Steiner, 1931 SPECIES Epsilonoides polyacanthus Steiner, 1931 SPECIES Epsilonoides spongocricum Steiner, 1931 SPECIES Epsilonoides syringocricum Steiner, 1931 GENUS Glochinema Lorenzen, 1974:5 [Diagnostic; Gad 2002 p.178] SPECIES Glochinema bathyperuvensis Neira, Gad, Arroyo & Decraemer, 2001:148 SPECIES Glochinema kentrosaurides Gad, 2002:172 SPECIES Glochinema phaleratum Gourbault & Decraemer, 1993:223 SPECIES Glochinema spinithorni Neira, Decraemer & Backeljau, 2005:107 SPECIES Glochinema strigosum (Gourbault & Decraemer, 1993):224 [syn. Raes, Vanreusel & Decraemer 2003 p.58] [=Metaglochinema strigosum Gourbault & Decraemer, 1993] SPECIES Glochinema trispinatum Raes, Vanreusel & Decraemer, 2003:50 GENUS Keratonema Gourbault & Decraemer, 1986:182 [Type is K. singulare] SPECIES Keratonema singulare Gourbault & Decraemer, 1986:182 GENUS Leptepsilonema Clasing, 1983:13 SPECIES Leptepsilonema antonioi Decraemer & Gourbault, 2000:26 [Marseille] SPECIES Leptepsilonema dauvini Decraemer & Gourbault, 2000:33 [Trezen Vraz] SPECIES Leptepsilonema exile Clasing, 1983:16 SPECIES Leptepsilonema filiforme Clasing, 1984:165 SPECIES Leptepsilonema horridum Decraemer & Gourbault, 2000:35 [Riukin Island, Miyakojima] SPECIES Leptepsilonema macrum Clasing, 1983:17 SPECIES Leptepsilonema parafiliforme Gourbault & Decraemer, 1987:619 SPECIES Leptepsilonema procerum Clasing, 1983:13 [Redescription; Gourbault & Decraemer 1987 p.622] SPECIES Leptepsilonema richardi Verschelde & Vincx, 1992 SPECIES Leptepsilonema santii Gourbault & Decraemer, 1995:80 GENUS Metaglochinema Gourbault & Decraemer, 1986:177 [Type is M. globicephalum; Diagnostic; Gad 2002 p.178] SPECIES Metaglochinema globicephalum Gourbault & Decraemer, 1986:177 [Diagnostic; Gourbault & Decraemer 1993 p.226] GENUS Metepsilonema Steiner, 1927 SPECIES Metepsilonema acanthum Clasing, 1984:169 SPECIES Metepsilonema amphidoxum Decraemer & Gourbault, 2000:30 [France, Baie de St Brieux] SPECIES Metepsilonema callosum Lorenzen, 1973 [Diagnostic; Decraemer & Gourbault 1990 p.397] SPECIES Metepsilonema chilotum Clasing, 1986:300 SPECIES Metepsilonema clasingae Decraemer & Gourbault, 1989:30 SPECIES Metepsilonema comptum Decraemer & Gourbault, 2000:32 [France, Baie de St Brieux] SPECIES Metepsilonema corrugatum Decraemer & Gourbault, 2000:35 [France, Baie de St Brieux] SPECIES Metepsilonema glutinosum Decraemer & Gourbault, 1989:33 SPECIES Metepsilonema hagmeieri (Stauffer, 1925) [Steiner 1927; Redescription; Decraemer & Gourbault 1998 p.75] [=Rhabdogaster hagmeieri Stauffer, 1925] [=Metepsilonema emersum Lorenzen, 1973] [syn. Decraemer & Gourbault 1998 p.75] SPECIES Metepsilonema hardyi Decraemer & Gourbault, 1990:389 SPECIES Metepsilonema iuvenisspinosum Verschelde & Vincx, 1994:86 SPECIES Metepsilonema laureli Decraemer & Gourbault, 1990:394 SPECIES Metepsilonema leptaleum Lorenzen, 1973 [Redescription; Clasing 1986 p.301] SPECIES Metepsilonema lorenzeni Decraemer & Gourbault, 1998:77 [Alicante, Playa de lOlla de Altea] SPECIES Metepsilonema magdae Decraemer & Gourbault, 1989:26 SPECIES Metepsilonema striatulum Decraemer & Gourbault, 1990:386 SPECIES Metepsilonema volutum Decraemer & Gourbault, 2000:26 [France, Baie de St Brieux] GENUS Perepsilonema Lorenzen, 1973 [Diagnostic; Vanreusel & Vincx 1986 p.168] SPECIES Perepsilonema coomansi Vanreusel & Vincx, 1986:166 SPECIES Perepsilonema corsicum Vanreusel & Vincx, 1986:152 SPECIES Perepsilonema kellyae Gourbault & Decraemer, 1988:540 SPECIES Perepsilonema longispiculosum Vanreusel & Vincx, 1986:163 SPECIES Perepsilonema mediterraneum Vanreusel & Vincx, 1986:158 SPECIES Perepsilonema moineaui Gourbault & Decraemer, 1992:667 SPECIES Perepsilonema papulosum Lorenzen, 1973 SPECIES Perepsilonema ritae Verschelde & Vincx, 1994:94 SPECIES Perepsilonema tubuligerum Gourbault & Decraemer, 1988:536 GENUS Polkepsilonema Verschelde & Vincx, 1993 [Type is P. mombasae] SPECIES Polkepsilonema firmatum Gourbault & Decraemer, 1994:486 [Diagnostic; Decraemer & Gourbault 2000 p.46] SPECIES Polkepsilonema guirali Decraemer & Gourbault, 2000:40 [Java, Seribu Island] SPECIES Polkepsilonema mombasae Verschelde & Vincx, 1993 [Diagnostic; Decraemer & Gourbault 2000 p.46] GENUS Prochaetosoma Baylis & Daubney, 1926:107 [nomen nova; praeocc. Micoletzky 1922; ??] [=Rabdagaster Greeff, 1869:116] [nomen nova pro Rhabdogaster] [=Rhabdogaster Metschnikoff, 1867:539,542] [praeocc. Loew 1857 in Diptera] GENUS Pternepsilonema Verschelde & Vincx, 1993 [Type is P. servaesae] SPECIES Pternepsilonema servaesae Verschelde & Vincx, 1993 GENUS Triepsilonema Decraemer, 1982:16 SPECIES Triepsilonema tripapillata Decraemer, 1982:16