FAMILY Diplopeltidae Filipjev, 1918 [=Campylaimininae Chitwood, 1937] SUBFAMILY Cylindrolaiminae Lorenzen, 1981 GENUS Cylindrolaimus de Man, 1880a SPECIES Cylindrolaimus africanus Siddiqi, 2004:203 SPECIES Cylindrolaimus annulatus Siddiqi, 2004:211 SPECIES Cylindrolaimus bambus Andrássy, 1968 [Redescription; Gagarin 1989 p.52] SPECIES Cylindrolaimus baradlanus Andrássy, 1958 [Gerlach & Riemann 1973] SPECIES Cylindrolaimus brevicaudatus Siddiqi, 2004:200 SPECIES Cylindrolaimus collaris Siddiqi, 2004:208 TYPE SPECIES Cylindrolaimus communis de Man, 1880 [ 1884?; Gerlach & Riemann 1973] SPECIES Cylindrolaimus filicaudatus Allgén, 1933 [Gerlach & Riemann 1973] SPECIES Cylindrolaimus lacustris Hofmänner, 1913 [Gerlach & Riemann 1973] SPECIES Cylindrolaimus longitubus Siddiqi, 2004:204 SPECIES Cylindrolaimus macrurus Daday, 1899 [Gerlach & Riemann 1973] SPECIES Cylindrolaimus melancholicus de Man, 1880 [Gerlach & Riemann 1973] SPECIES Cylindrolaimus mexicanus Siddiqi, 2004:211 SPECIES Cylindrolaimus monhystera W. Schneider, 1937 [Gerlach & Riemann 1973] SPECIES Cylindrolaimus nabilae Siddiqi, 2004:208 SPECIES Cylindrolaimus nanus Siddiqi, 2004:199 SPECIES Cylindrolaimus neotropicus Siddiqi, 2004:206 SPECIES Cylindrolaimus obtusus Cobb, 1916 [Gerlach & Riemann 1973] SPECIES Cylindrolaimus ophis Andrássy, 1970 [Gerlach & Riemann 1973] SPECIES Cylindrolaimus politus Daday, 1905 [Gerlach & Riemann 1973] SPECIES Cylindrolaimus procerus Andrássy, 1968 [Gerlach & Riemann 1973] SPECIES Cylindrolaimus scleris Siddiqi, 2004:203 GENUS Halicylindrolaimus Allgén, 1959:214 SPECIES Halicylindrolaimus conicaudatus Allgén, 1959 GENUS Linolaimus Cobb, 1933:86 SPECIES Linolaimus quadricoma Cobb, 1933 GENUS Macramphis Altherr, 1950:22,37 [placement?] [=Macramphis Timm, 1961] [?] SUBFAMILY Diplopeltinae Filipjev, 1918 [=Araeolaimidae] GENUS Acmaeolaimus Filipjev, 1918:345 [Nomen dubium] SPECIES Acmaeolaimus diplopeltoides Filipjev, 1918 [Gerlach & Riemann 1974] GENUS Adelonema Holovachov & Sturhan, 2003:63 [praeocc. Mawson 1978; Type is Adelonema camerunense] SPECIES Adelonema camerunense Holovachov & Sturhan, 2003:64 GENUS Araeolaimus de Man, 1888a [=Aracolaimus de Rouville, 1903c] [misspelling?] [=Araeolaimoides de Man, 1893a] [type is microphthalmus; syn. of Araeolaimus by Lorenzen 1981] [=Aroeolaimus] [misspelling?] [=Coinonema Cobb, 1920:259] [=Parachromagaster Allgén, 1929:466] SPECIES Araeolaimus australis Allgén, 1959 TYPE SPECIES Araeolaimus bioculatus de Man, 1876 [de Man 1888] [=Spira bioculata de Man, 1876] SPECIES Araeolaimus boomerangifer Wieser, 1959 SPECIES Araeolaimus demani (Stekhoven, 1950) [=Araeolaimoides demani Stekhoven, 1950] SPECIES Araeolaimus dubiosus Allgén, 1959 SPECIES Araeolaimus elegans de Man, 1888 [Diagnostic; Galtzova 1982 p.1424] [=Araeolaimus ditlevseni Allgén, 1932] [=Araeolaimus dolichoposthius Ssaweljev, 1912] [=Coinonema punctatum Cobb, 1920] [=Araeolaimus spectabilis Ditlevsen, 1921] [=Araeolaimus tristis Allgén, 1931] SPECIES Araeolaimus filipjevi Stekhoven & Adam, 1951 [Diagnostic; Galtzova 1982 p.1424] SPECIES Araeolaimus gajevskii Paramonov, 1929 SPECIES Araeolaimus gisleni Wieser, 1956 SPECIES Araeolaimus laqueifer Wieser, 1956 SPECIES Araeolaimus leptopharynx (Bresslau & Stekhoven in Stekhoven, 1935) [=Araeolaimoides leptopharynx Bresslau & Stekhoven in Stekhoven, 1935] SPECIES Araeolaimus longicauda Allgén, 1929 [=Araeolaimus cylindrocauda Allgén, 1929] [lapsus] [=Parachromagaster tenuis Allgén, 1932] SPECIES Araeolaimus longisetosus Wieser, 1954 SPECIES Araeolaimus macrocirculus Kreis, 1928 SPECIES Araeolaimus mediterraneus de Man, 1876 [de Man 1888] [=Spira mediterranea de Man, 1876] SPECIES Araeolaimus microphthalmus de Man, 1893 [in subgenus Araeolaimoides] SPECIES Araeolaimus obtusicaudatus Allgén, 1959 SPECIES Araeolaimus ovalis (Wieser, 1956) [=Araeolaimoides ovalis Wieser, 1956] SPECIES Araeolaimus oxystomaeoides Allgén, 1939 SPECIES Araeolaimus paracylindricauda Allgén, 1959 SPECIES Araeolaimus paradubiosus Allgén, 1959 SPECIES Araeolaimus parvibulbosus Platonova, 1971 SPECIES Araeolaimus paucisetosus (Wieser, 1951) [=Araeolaimoides paucisetosus Wieser, 1951] SPECIES Araeolaimus penelope P.G.Moore, 1977 SPECIES Araeolaimus ponticus Filipjev, 1922 SPECIES Araeolaimus propinquus Allgén, 1947 SPECIES Araeolaimus retroductus Wieser, 1956 SPECIES Araeolaimus septentrionalis Kreis, 1963 [Iceland] SPECIES Araeolaimus steineri Filipjev, 1922 [=Araeolaimus elegans Steiner, 1916] [praeocc. de Man 1888] [=Araeolaimus ingoeyensis Allgén, 1940] [=Parachromagaster sabulicola Allgén, 1929] SPECIES Araeolaimus supralitoralis Wieser, 1960 SPECIES Araeolaimus tchupensis Galtzova, 1982:1424 [White Sea] SPECIES Araeolaimus tenuicaudatus Allgén, 1935 SPECIES Araeolaimus texianus Chitwood, 1951 SPECIES Araeolaimus zosterae Filipjev, 1918 [orig. genus Parachromagaster?; Chitwood & Chitwood 1937] GENUS Campylaimus Cobb, 1920 SPECIES Campylaimus cylindricus Gerlach, 1956 SPECIES Campylaimus gerlachi Timm, 1961 [Redescription; Huang & Zhang 2006 p.30] [=Campylaimus inaequalis Gerlach, 1950] [praeocc.] TYPE SPECIES Campylaimus inaequalis Cobb, 1920 SPECIES Campylaimus lefeverei Gerlach, 1956 SPECIES Campylaimus minor Timm, 1961 SPECIES Campylaimus mirus Gerlach, 1950 SPECIES Campylaimus ponticus Sergeeva, 1981:1717 SPECIES Campylaimus siwaschensis Sergeeva, 1981:1717 SPECIES Campylaimus tkatchevi Chesunov, 1978:21 GENUS Diplopeltis Cobb in Stiles & Hassal, 1905b [=Dipeltis Cobb, 1891c] [praeocc. Packard 1885 crust.; type is typicus] [=Discophora Villot, 1875] [type is cirrhata Eberth 1863; praeocc. Lepidoptera by Boisduval 1836] SPECIES Diplopeltis bathmanni Jensen, 1991:68 SPECIES Diplopeltis californicus Allgén, 1947 SPECIES Diplopeltis cirrhatus (Eberth, 1863) [Cobb 1891] [=Enoplus cirrhatus Eberth, 1863] [=Diplopeltis eberthi Filipjev, 1918] [=Diplopeltis lasius Kreis, 1973] [nomen nova pro longisetosus Kries 1928] [=Dipeltis longisetosus Allgén, 1928] [original genus Diplopeltis?; different species Allgén 1935?] [=Dipeltis typicus Cobb, 1891c] [ Allgén 1928?] SPECIES Diplopeltis incisus Southern, 1914 [orignal genus Dipeltis?] [=Diplopeltis asymmetricus Allgén, 1935] [=Dipeltis barentsi Steiner, 1916] [=Diplopeltis ovalis Ditlevsen, 1928] SPECIES Diplopeltis intermedia (Gerlach, 1954) [Lorenzen 1981] [=Diplopeltula intermedia Gerlach, 1954] SPECIES Diplopeltis minor (Cobb, 1891) [=Dipeltis minor Cobb, 1891] GENUS Diplopeltula Gerlach, 1950 SPECIES Diplopeltula asetosa Juario, 1974 SPECIES Diplopeltula belgica Vincx & Gourbault, 1992:168 SPECIES Diplopeltula botula Wieser, 1959 [Gerlach 1962] [=Araeolaimoides botulus Wieser, 1959] TYPE SPECIES Diplopeltula breviceps Gerlach, 1950 SPECIES Diplopeltula bulbosa Vitiello, 1972 SPECIES Diplopeltula cassidaigniensis Vitiello, 1972 SPECIES Diplopeltula curta Vincx & Gourbault, 1992:171 SPECIES Diplopeltula cylindricauda (Allgén, 1932) [=Diplopeltis cylindricauda Allgén, 1932] SPECIES Diplopeltula indica Gerlach, 1962 [Redescription; Vincx & Gourbault 1992 p.175] SPECIES Diplopeltula laminata Vitiello, 19172 SPECIES Diplopeltula longiceps Gerlach, 1950 SPECIES Diplopeltula lucania Boucher & Helléouët, 1977 SPECIES Diplopeltula minuta Vitiello, 1972 SPECIES Diplopeltula nellyae Vincx & Gourbault, 1992:171 SPECIES Diplopeltula nuda Gerlach, 1956 SPECIES Diplopeltula onusta Wieser, 1956 [Gerlach 1962] [=Diplopeltis onustus Wieser, 1956] SPECIES Diplopeltula pulchra Vincx & Gourbault, 1992:166 SPECIES Diplopeltula pumila Vincx & Gourbault, 1992:173 SPECIES Diplopeltula striata Gerlach, 1956 SPECIES Diplopeltula striolata Vincx & Gourbault, 1992:169 SPECIES Diplopeltula sundensis Jensen, 1978:225 GENUS Metaraeolaimoides De Coninck, 1936:183 TYPE SPECIES Metaraeolaimoides oxystoma De Coninck, 1936 [ Gerlach & Riemann 1973] GENUS Morlaixia Vincx & Gourbault, 1989:712 [Type is M. contusa] SPECIES Morlaixia contusa Vincx & Gourbault, 1989:712 SPECIES Morlaixia obscura Vincx & Gourbault, 1989:715 GENUS Pararaeolaimus Timm, 1961:68 SPECIES Pararaeolaimus megaloamphidus Timm, 1961 [Gerlach & Riemann 1973] TYPE SPECIES Pararaeolaimus nudus (Gerlach, 1951) [ Timm 1961] [=Araeolaimus nudus Gerlach, 1951] SPECIES Pararaeolaimus rumohri Jensen, 1991:72 GENUS Pseudaraeolaimus Chitwood, 1951:651 SPECIES Pseudaraeolaimus ocellatus Kito, 1981:255 TYPE SPECIES Pseudaraeolaimus perplexus Chitwood, 1951 [ Gerlach & Riemann 1973] GENUS Pseudolella Cobb, 1920 [was in Axonolaimidae] [=Pseudolelloides Timm, 1957:132] [type is bengalensis] SPECIES Pseudolella bengalensis (Timm, 1957) [=Pseudolelloides bengalensis Timm, 1957] SPECIES Pseudolella capera Chesunov, 1978:23 SPECIES Pseudolella cephalata Cobb, 1920 SPECIES Pseudolella ferox Smolyanko & Belogurov, 1993:12 TYPE SPECIES Pseudolella granulifera Cobb, 1920 SPECIES Pseudolella intermedia Gerlach, 1957 SPECIES Pseudolella irritans Smolyanko & Belogurov, 1993:7 SPECIES Pseudolella norvegica Allgén, 1947 GENUS Southerniella Allgén, 1932 [=Parachromagasteriella Allgén, 1933:111] [type is cylindricauda; syn. ?] SPECIES Southerniella allometrica Vitiello, 1971 SPECIES Southerniella annelifera (Wieser, 1956) [Gerlach & Riemann 1973] [=Parachromagasteriella annelifera Wieser, 1956] SPECIES Southerniella arctica (Allgén, 1953) [Gerlach & Riemann 1973] [=Parachromagasteriella arctica Allgén, 1953] SPECIES Southerniella brevicauda (Stekhoven, 1942) [=Parachromagasteriella brevicauda Stekhoven, 1942] SPECIES Southerniella conicauda (Stekhoven, 1950) [=Parachromagasteriella conicauda Stekhoven, 1950] SPECIES Southerniella cylindricauda (Allgén, 1933) [Gerlach & Riemann 1973] [=Parachromagasteriella cylindricauda Allgén, 1933] SPECIES Southerniella cylindrolaimus (Chitwood, 1936) [=Araeolaimus cylindrolaimus Chitwood, 1936] SPECIES Southerniella nojii Jensen, 1991:70 TYPE SPECIES Southerniella simplex Allgén, 1932 SPECIES Southerniella stenolaima (Steiner, 1916) [=Chromagaster stenolaima Steiner, 1916] SPECIES Southerniella youngi Murphy, 1964 SPECIES Southerniella zosterae (Allgén, 1933) [Wieser 1956] [=Parachromagaster zosterae Allgén, 1933] SPECIES Southerniella zostericola (Allgén, 1929) [Wieser 1956] [=Chromagaster zostericola Allgén, 1929] [=Chromagaster tenuilaima Allgén, 1929] GENUS Striatodora Timm, 1961a TYPE SPECIES Striatodora brevibucca Timm, 1961