Scientific Name	Distribution	Year
Adoncholaimus aralensis		1924
Adoncholaimus crassicaudus	Pacific Ocean	1953
Adoncholaimus fuscus	Atlantic Ocean.	1865
Adoncholaimus indicus	Atlantic Ocean.	1907
Adoncholaimus islandicus	Atlantic Ocean.	1963
Adoncholaimus lepidus	Northeast Atlantic	1889
Adoncholaimus longicaudatus	Northeast Atlantic	1929
Adoncholaimus oxyuroides	Northeast Atlantic	1934
Adoncholaimus panicus	Northeast Atlantic	1930
Adoncholaimus papillatus	Northeast Atlantic	1932
Adoncholaimus punctatus	Northeast Atlantic	1914
Adoncholaimus thalassophygas	Northeast Atlantic	1976
Anoncholaimus mobilis	Northeast Atlantic	1920
Asymmetrella glabra	Northeast Atlantic	1920
Bradybucca rhopalura	Northeast Atlantic	1950
Cacolaimus papillatus	Northeast Atlantic	1932
Convexolaimus filicaudatus	Northeast Atlantic	1928
Curvolaimus decipiens	Northeast Atlantic	1953
Curvolaimus uteratus	Northeast Atlantic	1970
Curvolaimus wieseri	Northeast Atlantic	1961
Filoncholaimus ditlevseni	Northeast Atlantic	1932
Filoncholaimus filicaudatus	Northeast Atlantic	1926
Filoncholaimus longissimecaudatus	Northeast Atlantic	1932
Filoncholaimus prolatus	Northeast Atlantic	1967
Fimbrilla tenuis	Northeast Atlantic	1894
Krampia acropora	Northeast Atlantic	1921
Krampia longicollis	Northeast Atlantic	1939
Krampia opaca	Northeast Atlantic	1953
Kreisoncholaimus nudus	Northeast Atlantic	1932
Metaparoncholaimus campylocercus	Northeast Atlantic	1876
Metaparoncholaimus heterocytous	Northeast Atlantic	1938
Metaparoncholaimus orientalis	Northeast Atlantic	1890
Metoncholaimoides squalus	Northeast Atlantic	1953
Metoncholaimus albidus	Northeast Atlantic	1865
Metoncholaimus amplus	Western Central Atlantic.	1967
Metoncholaimus demani	Western Central Atlantic.	1894
Metoncholaimus haplotretos	Antarctic Indian Ocean	1958
Metoncholaimus longiovum	Antarctic Indian Ocean	1960
Metoncholaimus pelor	Antarctic Indian Ocean	1967
Metoncholaimus pristiurus	Northeast Atlantic	1894
Metoncholaimus scanicus	Northeast Atlantic	1935
Metoncholaimus scissus	Northeast Atlantic	1967
Metoncholaimus simplex	Northeast Atlantic	1967
Metoncholaimus trichospiculum	Northeast Atlantic	1947
Metoncholaimus uvifer	Northeast Atlantic	1959
Meyersia bandaensis	Northeast Atlantic	1932
Meyersia major	Western Central Atlantic.	1967
Meyersia meridionalis	Western Central Atlantic.	1932
Meyersia minor	Western Central Atlantic.	1967
Mononcholaimus bandaensis	Western Central Atlantic.	1932
Mononcholaimus conicaudatus	Western Central Atlantic.	1932
Mononcholaimus elegans	Western Central Atlantic.	1924
Mononcholaimus gabriolae	Western Central Atlantic.	1951
Mononcholaimus klatti	Western Central Atlantic.	1941
Mononcholaimus rusticus	Western Central Atlantic.	1929
Mononcholaimus setosus	Western Central Atlantic.	1932
Mononcholaimus viscosus	Western Central Atlantic.	1930
Octonchus marinus	Northeast Atlantic	1932
Oncholaimelloides vonhaffneri	Northeast Atlantic	1966
Oncholaimellus arcticus	Northeast Atlantic	1957
Oncholaimellus brevicauda	Northeast Atlantic	1969
Oncholaimellus calvadosicus	Northeast Atlantic	1890
Oncholaimellus heterurus	Northeast Atlantic	1914
Oncholaimellus labiatus	Northeast Atlantic	1932
Oncholaimellus mediterraneus	Northeast Atlantic	1942
Oncholaimellus meteori	Northeast Atlantic	1967
Oncholaimoides elongatus	Western Central Atlantic.	1961
Oncholaimoides rugosus	Western Central Atlantic.	1937
Oncholaimoides striatus	Western Central Atlantic.	1937
Oncholaimus aegypticus	Western Central Atlantic.	1921
Oncholaimus apostematus	Western Central Atlantic.	1959
Oncholaimus appendiculatus	Western Central Atlantic.	1930
Oncholaimus aquaedulcis	Western Central Atlantic.	1937
Oncholaimus attenuatus	Northeast Atlantic	1845
Oncholaimus bajulus	Northeast Atlantic	1937
Oncholaimus brevicaudatus	Northeast Atlantic	1918
Oncholaimus brevicaudiculatus	Northeast Atlantic	1970
Oncholaimus brevisetosus	Northeast Atlantic	1932
Oncholaimus campbelli	Northeast Atlantic	1929
Oncholaimus campylocercoides	Northeast Atlantic	1933
Oncholaimus cobbi	Northeast Atlantic	1935
Oncholaimus curvicauda	Northeast Atlantic	1957
Oncholaimus domesticus	Northeast Atlantic	1938
Oncholaimus dujardinii	Northeast Atlantic	1876
Oncholaimus dujardinioides	Northeast Atlantic	1960
Oncholaimus martini	Northeast Atlantic	1959
Oncholaimus microdon	Northeast Atlantic	1930
Oncholaimus nigrocephalatus	Northeast Atlantic	1930
Oncholaimus notolangrunensis	Northeast Atlantic	1959
Oncholaimus notoxyuris	Northeast Atlantic	1959
Oncholaimus opisthonchus	Northeast Atlantic	1927
Oncholaimus oxyuris	Northeast Atlantic	1911
Oncholaimus paraegypticus	Northeast Atlantic	1956
Oncholaimus paralangrunensis	Northeast Atlantic	1947
Oncholaimus paredron	Northeast Atlantic	1958
Oncholaimus priapulus	Northeast Atlantic	1959
Oncholaimus skawensis	Northeast Atlantic	1921
Oncholaimus spissus	Northeast Atlantic	1935
Oncholaimus steinboecki	Northeast Atlantic	1928
Oncholaimus steineri	Northeast Atlantic	1928
Oncholaimus thysanouraios	Northeast Atlantic	1958
Oncholaimus tobagoensis	Northeast Atlantic	1947
Oncholaimus ushakovi	Northeast Atlantic	1927
Oncholaimus vesicarius	Northeast Atlantic	1959
Oncholaimus viridis	Northeast Atlantic	1865
Pelagonema anoplum	Northeast Atlantic	1932
Pelagonema longicaudum	Northeast Atlantic	1953
Pelagonema obtusicauda	Northeast Atlantic	1918
Pelagonema papillatum	Northeast Atlantic	1957
Pelagonema simplex	Northeast Atlantic	1894
Pelagonema tenue	Northeast Atlantic	1928
Pontonema arcticum	Northeast Atlantic	1928
Pontonema ardens	Northeast Atlantic	1957
Pontonema balticum	Northeast Atlantic	1932
Pontonema brevicaudatoides	Northeast Atlantic
Pontonema californicum	Northeast Atlantic	1947
Pontonema cobbi	Northeast Atlantic	1956
Pontonema donsi	Northeast Atlantic	1932
Pontonema hackingi	Northeast Atlantic	1953
Pontonema macrolaimus	Northeast Atlantic	1914
Pontonema muelleri	Northeast Atlantic	1861
Pontonema ocellatum	Northeast Atlantic	1932
Pontonema parpapilliferum	Northeast Atlantic	1924
Pontonema problematicum	Northeast Atlantic	1960
Pontonema serratodentatum	Antarctic	1956
Pontonema simile	Antarctic	1914
Pontonema vacillatum	Antarctic	1855
Pontonema valviferum	Western Central Atlantic.	1951
Pontonema vulgare	Northeast Atlantic	1865
Pontonema yaenae	Northeast Atlantic	1964
Pontonema zernovi	Northeast Atlantic	1916
Prooncholaimus aransas	Western Central Atlantic.	1951
Prooncholaimus eberthi	Western Central Atlantic.	1918
Prooncholaimus hastatus	Western Central Atlantic.	1967
Prooncholaimus mawsonae	Western Central Atlantic.	1971
Prooncholaimus megastoma	Western Central Atlantic.	1863
Prooncholaimus ornatus	Western Central Atlantic.	1932
Pseudopelagonema elegans	Western Central Atlantic.	1932
Pseudopelagonema filiforme	Western Central Atlantic.	1932
Vasculonema caeruleum	Western Central Atlantic.	1863
Vasculonema conicaudatum	Western Central Atlantic.	1928
Viscosia abyssorum	Western Central Atlantic.	1933
Viscosia angustata	Western Central Atlantic.	1890
Viscosia antarctica	Western Central Atlantic.	1959
Viscosia brachydonta	Western Central Atlantic.	1959
Viscosia brachylaimoides	Western Central Atlantic.	1937
Viscosia brevilaima	Western Central Atlantic.	1959
Viscosia carnleyensis	Western Central Atlantic.	1921
Viscosia cobbi	Western Central Atlantic.	1918
Viscosia crassa	Western Central Atlantic.	1932
Viscosia cryptodentata	Western Central Atlantic.	1947
Viscosia dubiosa	Western Central Atlantic.	1932
Viscosia elegans	Western Central Atlantic.	1924
Viscosia elongata	Western Central Atlantic.	1922
Viscosia falklandiae	Western Central Atlantic.	1959
Viscosia filipjevi	Western Central Atlantic.	1865
Viscosia glabra	Northwest Atlantic.	1865
Viscosia grahami	Northwest Atlantic.	1959
Viscosia isotonchula	Northwest Atlantic.	1932
Viscosia langrunensis	Northwest Atlantic.	1890
Viscosia leptolaima	Northwest Atlantic.	1932
Viscosia longissima	Northwest Atlantic.	1946
Viscosia macramphida	Western Central Atlantic.	1951
Viscosia macrorhopalocerca	Western Central Atlantic.	1932
Viscosia meridionalis	Western Central Atlantic.	1932
Viscosia minor	Western Central Atlantic.	1918
Viscosia nona	Western Central Atlantic.	1946
Viscosia nuda	Western Central Atlantic.	1932
Viscosia oncholaimelloides	Western Central Atlantic.	1967
Viscosia palmae	Western Central Atlantic.	1942
Viscosia papillata	Western Central Atlantic.	1951
Viscosia papillatoides	Western Central Atlantic.	1960
Viscosia paralinstowi	Western Central Atlantic.	1937
Viscosia parapedroensis	Western Central Atlantic.	1947
Viscosia pedroensis	Western Central Atlantic.	1947
Viscosia pseudoglabra	Western Central Atlantic.	1932
Viscosia pseudosegmentata	Western Central Atlantic.	1947
Viscosia similis	Western Central Atlantic.	1959
Viscosia tenuissima	Western Central Atlantic.	1959
Viscosia tumidula	Western Central Atlantic.	1959
Viscosia viscosa	Western Central Atlantic.	1865
Wiesoncholaimus mawsonae	Western Central Atlantic.	1966

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Species Identification: Find Species

Family: Oncholaimidae (See list of species below)

Family: Oncholaimidae

(See list of species below)