List of Arctic species
Class: PolychaetaSubclass: SCOLECIDA Rouse & Fauchald,1997
Family: CAPITELLIDAE Grube, 1862
Common polychaetes. Cylindrical shape of body: anterior part with capillary chaeta and posterior part with long-handled hooks.
Genus: Capitella de Blainville,1828
Species: Capitella capitata (Fabricius, 1780)
Genus: Heteromastus Eisig,1887
Species: Heteromastus filiformis (Claparéde, 1864)
Genus: Notomastus M. Sars,1850
Species: Notomastus latericeus Sars, 1851
Family: COSSURIDAE Day, 1963Genus: Capitella de Blainville,1828
Species: Capitella capitata (Fabricius, 1780)
Genus: Heteromastus Eisig,1887
Species: Heteromastus filiformis (Claparéde, 1864)
Genus: Notomastus M. Sars,1850
Species: Notomastus latericeus Sars, 1851
Mainly in mixed sand and muds of deeper sea. Small (up to 20mm) with characteristic mid-dorsal branchia.
Genus: Cossura Webster & Benedict,1887
Species: Cossura longocirrata Webster & Benedict, 1887
Species: Cossura pygodactylata Jones,1956
Family: MALDANIDAE Malmgren, 1867Genus: Cossura Webster & Benedict,1887
Species: Cossura longocirrata Webster & Benedict, 1887
Species: Cossura pygodactylata Jones,1956
Bamboo-worms. Body of set number of long cyrindrical segments with low rows of hooked chaetae.
Genus: Axiothella Verrill,1900
Species: Axiothella catenata (Malmgren, 1865)
Genus: Chirimia Light,1991
Species: Chirimia biceps (M. Sars, 1861)
Genus: Clymenura Verrill,1900
Species: Clymenura polaris (Théel, 1879)
Genus: Lumbriclymene M. Sars, in G.O. Sars,1872
Species: Lumbriclymene minor Arwidsson, 1906
Genus: Maldane Grube,1860
Species: Maldane sarsi Malmgren, 1865
Genus: Nicomache Malmgren,1865
Species: Nicomache lumbricalis (Fabricius, 1780)
Genus: Notoproctus Arwidsson,1906
Species: Notoproctus oculatus Arwidsson, 1906
Genus: Petaloproctus de Quatrefages,1866
Species: Petaloproctus borealis Arwidsson,1906
Species: Petaloproctus tenuis (Théel, 1879)
Genus: Praxillella Verrill,1881
Species: Praxillella gracilis (M. Sars, 1861)
Species: Praxillella praetermissa (Malmgren, 1865)
Genus: Rhodine Malmgren,1865
Species: Rhodine gracilior Tauber, 1879
Family: OPHELIIDAE Malmgren, 1867Genus: Axiothella Verrill,1900
Species: Axiothella catenata (Malmgren, 1865)
Genus: Chirimia Light,1991
Species: Chirimia biceps (M. Sars, 1861)
Genus: Clymenura Verrill,1900
Species: Clymenura polaris (Théel, 1879)
Genus: Lumbriclymene M. Sars, in G.O. Sars,1872
Species: Lumbriclymene minor Arwidsson, 1906
Genus: Maldane Grube,1860
Species: Maldane sarsi Malmgren, 1865
Genus: Nicomache Malmgren,1865
Species: Nicomache lumbricalis (Fabricius, 1780)
Genus: Notoproctus Arwidsson,1906
Species: Notoproctus oculatus Arwidsson, 1906
Genus: Petaloproctus de Quatrefages,1866
Species: Petaloproctus borealis Arwidsson,1906
Species: Petaloproctus tenuis (Théel, 1879)
Genus: Praxillella Verrill,1881
Species: Praxillella gracilis (M. Sars, 1861)
Species: Praxillella praetermissa (Malmgren, 1865)
Genus: Rhodine Malmgren,1865
Species: Rhodine gracilior Tauber, 1879
Fixed number of segments (30-60). Different body shape depending on species.
Genus: Ophelia de Savigny,1822
Species: Ophelia limacina (Rathke, 1843)
Genus: Ophelina Örsted,1843
Species: Ophelina acuminata Örsted, 1843
Genus: Travisia Johnston,1840
Species: Travisia forbesii Johnston, 1840
Family: ORBINIIDAE Hartman, 1942Genus: Ophelia de Savigny,1822
Species: Ophelia limacina (Rathke, 1843)
Genus: Ophelina Örsted,1843
Species: Ophelina acuminata Örsted, 1843
Genus: Travisia Johnston,1840
Species: Travisia forbesii Johnston, 1840
Burrowers. Up to several hundreds segments, with anterior thoracic region and more fragile abdomen.
Genus: Leitoscoloplos Day,1977
Species: Leitoscoloplos mammosus Mackie, 1987
Genus: Naineris de Blainville,1828
Species: Naineris quadricuspida (Fabricius, 1780)
Genus: Scoloplos de Blainville,1828
Species: Scoloplos armiger (Müller, 1776)
Family: PARAONIDAE Cerruti, 1909Genus: Leitoscoloplos Day,1977
Species: Leitoscoloplos mammosus Mackie, 1987
Genus: Naineris de Blainville,1828
Species: Naineris quadricuspida (Fabricius, 1780)
Genus: Scoloplos de Blainville,1828
Species: Scoloplos armiger (Müller, 1776)
In deeper waters, relatively little known. Small (up to 40 mm), with up to 200 segments and fragile body.
Genus: Aricidea Webster, 1879
Species: Aricidea (Allia) suecica Eliason, 1920
Species: Aricidea quadrilobata Webster & Benedict, 1887
Genus: Cirrophorus Ehlers,1908
Species: Cirrophorus eliasoni (Mackie, 1991)
Genus: Paraonella Strelzov, 1973
Species: Paraonella nordica Strelzov, 1968
Genus: Levinsenia Mesnil, 1897
Species: Levinsenia gracilis (Tauber, 1879)
Family: SCALIBREGMATIDAE Malmgren, 1867Genus: Aricidea Webster, 1879
Species: Aricidea (Allia) suecica Eliason, 1920
Species: Aricidea quadrilobata Webster & Benedict, 1887
Genus: Cirrophorus Ehlers,1908
Species: Cirrophorus eliasoni (Mackie, 1991)
Genus: Paraonella Strelzov, 1973
Species: Paraonella nordica Strelzov, 1968
Genus: Levinsenia Mesnil, 1897
Species: Levinsenia gracilis (Tauber, 1879)
Maggot worms. Up to 60 mm, 30-60 segments. Body short and stout or more elongate, with body tapering from an anterior wide point.
Genus: Scalibregma Rathke, 1843
Species: Scalibregma inflatum Rathke, 1843
Genus: Scalibregma Rathke, 1843
Species: Scalibregma inflatum Rathke, 1843
Subclass: PALPATA Rouse & Fauchald,1997
CANALIPALPATA Rouse & Fauchald,1997
Order: Terebellida
Suborder: Cirratuliformia
Family: ACROCIRRIDAE Banse, 1969
In intertidal and shallow coarse sediments and muds. Small to moderate size (5-150 mm).
Genus: Macrochaeta Grube,1850
Species: Macrochaeta clavicornis (M.Sars, 1835)
Family: CIRRATULIDAE Carus, 1863Genus: Macrochaeta Grube,1850
Species: Macrochaeta clavicornis (M.Sars, 1835)
Taxonomically problematic group. Body not distinctly regionated, but the anterior and posterior parts are shorter and wider than those in mid body. Most less than 50 mm.
Genus: Cirratulus de Lamarck,1801
Species: Cirratulus cirratus (O. F. Müller, 1776)
Genus: Dodecaceria Örsted,1843
Species: Dodecaceria concharum Örsted, 1843
Genus: Tharyx Webster & Benedict, 1887
Species: Tharyx sp.
Genus: Aphelochaeta J.A. Blake,1991
Species: Aphelochaeta marioni (de Saint Joseph, 1894)
Genus: Chaetozone Malmgren,1867
Species: Chaetozone christei Chambers, 2000
Species: Chaetozone setosa Malmgren, 1867
Species: Chaetozone jubata Chambers & Woodham, 2003
Family: FLABELLIGERIDAE de Saint-Joseph, 1894Genus: Cirratulus de Lamarck,1801
Species: Cirratulus cirratus (O. F. Müller, 1776)
Genus: Dodecaceria Örsted,1843
Species: Dodecaceria concharum Örsted, 1843
Genus: Tharyx Webster & Benedict, 1887
Species: Tharyx sp.
Genus: Aphelochaeta J.A. Blake,1991
Species: Aphelochaeta marioni (de Saint Joseph, 1894)
Genus: Chaetozone Malmgren,1867
Species: Chaetozone christei Chambers, 2000
Species: Chaetozone setosa Malmgren, 1867
Species: Chaetozone jubata Chambers & Woodham, 2003
Bristle-cage worms. Papillose body, often coated with thick covering of sediment. Head completely retractable between anterior segments. Not more than 100 segments, body from 5 to 220 mm.
Genus: Brada Stimpson,1854
Species: Brada villosa (Rathke, 1843)
Species: Brada inhabilis (Rathke, 1843)
Species: Brada rugosa (Hansen, 1882)
Genus: Flabelligera M. Sars,1829
Species: Flabelligera affinis M. Sars, 1829
Genus: Pherusa Oken,1807
Species: Pherusa plumosa (Müller, 1776)
Genus: Diplocirrus Haase,1915
Species: Diplocirrus longisetosus (Marenzeller, 1890)
Genus: Brada Stimpson,1854
Species: Brada villosa (Rathke, 1843)
Species: Brada inhabilis (Rathke, 1843)
Species: Brada rugosa (Hansen, 1882)
Genus: Flabelligera M. Sars,1829
Species: Flabelligera affinis M. Sars, 1829
Genus: Pherusa Oken,1807
Species: Pherusa plumosa (Müller, 1776)
Genus: Diplocirrus Haase,1915
Species: Diplocirrus longisetosus (Marenzeller, 1890)
Suborder: Terebelliformia
Family: PECTINARIIDAE de Quatrefages, 1866
Ice-cream cone or trumpet worms. Mainly in shallow sediments. In elegant cone-shaped tubes, constracted from sand, small shells or other small particles. From 10 to 250 mm, not more than 20 chaetigerous segments.
Genus: Pectinaria de Lamarck, 1818
Species: Pectinaria (Cistenides) hyperborea (Malmgren, 1866)
Family: AMPHARETIDAE Malmgren, 1867Genus: Pectinaria de Lamarck, 1818
Species: Pectinaria (Cistenides) hyperborea (Malmgren, 1866)
Tubicolous, with multiple grooved tentacles easily retractable into the mouth. 10-60 mm long. Two distinct regions of the body: thoracic with biramous parapodia and an abdomen with neuropodia only.
Genus: Amage Malmgren,1866
Species: Amage auricula Malmgren, 1866
Genus: Ampharete Malmgren,1866
Species: Ampharete finmarchica (M. Sars, 1864)
Species: Ampharete goesi Malmgren, 1866
Genus: Amphicteis Grube,1850
Species: Amphicteis gunneri (M. Sars, 1835)
Genus: Anobothrus Levinsen,1884
Species: Anobothrus gracilis (Malmgren, 1866)
Species: Anobothrus laubieri (Desbruyeres, 1978)
Genus: Glyphanostomum Levinsen,1884
Species: Glyphanostomum pallescens (Theel, 1879)
Genus: Lysippe Malmgren,1866
Species: Lysippe labiata Malmgren, 1866
Genus: Melinna Malmgren,1866
Species: Melinna cristata (M. Sars, 1851)
Species: Melinna elisabethae McIntosh,1922
Genus: Sabellides H. Milne-Edwards,1838, emend. Malmgren,1866
Species: Sabellides borealis Sars, 1856
Family: TEREBELLIDAE Grube, 1851Genus: Amage Malmgren,1866
Species: Amage auricula Malmgren, 1866
Genus: Ampharete Malmgren,1866
Species: Ampharete finmarchica (M. Sars, 1864)
Species: Ampharete goesi Malmgren, 1866
Genus: Amphicteis Grube,1850
Species: Amphicteis gunneri (M. Sars, 1835)
Genus: Anobothrus Levinsen,1884
Species: Anobothrus gracilis (Malmgren, 1866)
Species: Anobothrus laubieri (Desbruyeres, 1978)
Genus: Glyphanostomum Levinsen,1884
Species: Glyphanostomum pallescens (Theel, 1879)
Genus: Lysippe Malmgren,1866
Species: Lysippe labiata Malmgren, 1866
Genus: Melinna Malmgren,1866
Species: Melinna cristata (M. Sars, 1851)
Species: Melinna elisabethae McIntosh,1922
Genus: Sabellides H. Milne-Edwards,1838, emend. Malmgren,1866
Species: Sabellides borealis Sars, 1856
Spagetti worms. Large diversity of forms, from 10 to 300 mm. With multiple grooved tentacles. Two distinct parts of body in addition to head: thoracic region with biramous parapodia and long tapering abdomen with neuropodia only.
Genus: Amphitrite O.F. Müller,1771
Species: Amphitrite cirrata (O. F. Müller, 1771)
Genus: Axionice Malmgren,1866
Species: Axionice maculata (Dalyell, 1853)
Genus: Lanassa Malmgren,1866
Species: Lanassa nordenskioldi Malmgren, 1866
Genus: Leaena Malmgren,1866
Species: Leaena ebranchiata (M. Sars, 1865)
Genus: Neoamphitrite Hessle,1917
Species: Neoamphitrite affinis (Malmgren, 1866)
Species: Neoamphitrite groenlandica (Malmgren, 1866)
Genus: Nicolea Malmgren,1866
Species: Nicolea zostericola Örsted, 1844
Genus: Proclea de Saint-Joseph,1894
Species: Proclea malmgreni (Ssolowiew, 1899)
Genus: Hauchiella Levinsen,1893
Species: Hauchiella tribullata (McIntosh, 1869)
Genus: Thelepus Leuckart,1849
Species: Thelepus cincinnatus (Fabricius, 1780)
Genus: Artacama Malmgren,1866
Species: Artacama proboscidea Malmgren, 1866
Genus: Laphania Malmgren,1866
Species: Laphania boecki Malmgren, 1866
Genus: Polycirrus Grube,1850
Species: Polycirrus arcticus Sars, 1865
Genus: Terebellides M. Sars,1835
Species: Terebellides stroemi Sars, 1835
Genus: Trichobranchus Malmgren,1866
Species: Trichobranchus glacialis Malmgren, 1866
Species: Trichobranchus roseus (Malm, 1874)
Species: Trichobranchus sikorski Leontovich & Jirkov, sp. nov.
Genus: Amphitrite O.F. Müller,1771
Species: Amphitrite cirrata (O. F. Müller, 1771)
Genus: Axionice Malmgren,1866
Species: Axionice maculata (Dalyell, 1853)
Genus: Lanassa Malmgren,1866
Species: Lanassa nordenskioldi Malmgren, 1866
Genus: Leaena Malmgren,1866
Species: Leaena ebranchiata (M. Sars, 1865)
Genus: Neoamphitrite Hessle,1917
Species: Neoamphitrite affinis (Malmgren, 1866)
Species: Neoamphitrite groenlandica (Malmgren, 1866)
Genus: Nicolea Malmgren,1866
Species: Nicolea zostericola Örsted, 1844
Genus: Proclea de Saint-Joseph,1894
Species: Proclea malmgreni (Ssolowiew, 1899)
Genus: Hauchiella Levinsen,1893
Species: Hauchiella tribullata (McIntosh, 1869)
Genus: Thelepus Leuckart,1849
Species: Thelepus cincinnatus (Fabricius, 1780)
Genus: Artacama Malmgren,1866
Species: Artacama proboscidea Malmgren, 1866
Genus: Laphania Malmgren,1866
Species: Laphania boecki Malmgren, 1866
Genus: Polycirrus Grube,1850
Species: Polycirrus arcticus Sars, 1865
Genus: Terebellides M. Sars,1835
Species: Terebellides stroemi Sars, 1835
Genus: Trichobranchus Malmgren,1866
Species: Trichobranchus glacialis Malmgren, 1866
Species: Trichobranchus roseus (Malm, 1874)
Species: Trichobranchus sikorski Leontovich & Jirkov, sp. nov.
Order: Spionida
Family: APISTOBRANCHIDAE Mesnil & Caullery,1898
Tubiculous. 10-400 mm, less than 60 segments.
Genus: Apistobranchus Levinsen,1883
Species: Apistobranchus tullbergi (Théel, 1879)
Family: CHAETOPTERIDAE Malmgren, 1867Genus: Apistobranchus Levinsen,1883
Species: Apistobranchus tullbergi (Théel, 1879)
Little is known about the group. Easily fragmented in collection.
Genus: Spiochaetopterus M.Sars, 1853
Species: Spiochaetopterus typicus M.Sars, 1856
Family: SPIONIDAE Grube, 1850Genus: Spiochaetopterus M.Sars, 1853
Species: Spiochaetopterus typicus M.Sars, 1856
With easily lost pair of elongate grooved palps extending from the head. From several millimeters to several centimeters.
Genus: Prionospio Malmgren,1867
Species: Prionospio cirrifera Wiren, 1883
Genus: Spiophanes Grube,1860
Species: Spiophanes kroyeri Grube, 1860
Genus: Dipolydora Verrill,1879
Species: Dipolydora quadrilobata (Jacobi, 1883)
Species: Dipolydora coeca (Örsted, 1843)
Genus: Glyphochaeta Bick, 2005
Species: Glyphochaeta laudieni Bick, 2005
Genus: Spio Fabricius, 1785
Species: Spio armata (Thulin, 1957)
Genus: Laonice Malmgren, 1867
Species: Laonice cirrata (M. Sars, 1851)
Genus: Prionospio Malmgren,1867
Species: Prionospio cirrifera Wiren, 1883
Genus: Spiophanes Grube,1860
Species: Spiophanes kroyeri Grube, 1860
Genus: Dipolydora Verrill,1879
Species: Dipolydora quadrilobata (Jacobi, 1883)
Species: Dipolydora coeca (Örsted, 1843)
Genus: Glyphochaeta Bick, 2005
Species: Glyphochaeta laudieni Bick, 2005
Genus: Spio Fabricius, 1785
Species: Spio armata (Thulin, 1957)
Genus: Laonice Malmgren, 1867
Species: Laonice cirrata (M. Sars, 1851)
Order: Sabellida
Family: OWENIIDAE Rioja, 1917
In distinctive tightly fitting sediments tubes. Body elongate, cylindrical, with 20-30 segments. From 10 – 100 mm, with tubes larger and reaching 200-300 mm.
Genus: Owenia delle Chiaje, 1841
Species: Owenia fusiformis delle Chiaje, 1841
Genus: Galathowenia Kirkegaard,1959
Species: Galathowenia fragilis (Nilson & Holthe, 1985)
Species: Galathowenia oculata (Zachs, 1923)
Genus: Myriochele Malmgren,1867
Species: Myriochele heeri Malmgren, 1867
Family: SABELLIDAE Johnston, 1846Genus: Owenia delle Chiaje, 1841
Species: Owenia fusiformis delle Chiaje, 1841
Genus: Galathowenia Kirkegaard,1959
Species: Galathowenia fragilis (Nilson & Holthe, 1985)
Species: Galathowenia oculata (Zachs, 1923)
Genus: Myriochele Malmgren,1867
Species: Myriochele heeri Malmgren, 1867
Feather-duster worms, with radiolar crown and mucus/parchment/sediment tubes. From 0.85 mm to 450 mm, 11 – hundreds of segments.
Genus: Chone Kröyer,1856
Species: Chone fauveli McIntosh,1916
Species: Chone spp.
Genus: Fabricia de Blainville,1828
Species: Fabricia stellaris stellaris (O. F. Müller, 1774)
Genus: Euchone Malmgren,1866
Species: Euchone analis (Kröyer, 1856)
Genus: Laonome Malmgren,1866
Species: Laonome kroeyeri Malmgren, 1866
Family: SERPULIDAE de Lamarck, 1818Genus: Chone Kröyer,1856
Species: Chone fauveli McIntosh,1916
Species: Chone spp.
Genus: Fabricia de Blainville,1828
Species: Fabricia stellaris stellaris (O. F. Müller, 1774)
Genus: Euchone Malmgren,1866
Species: Euchone analis (Kröyer, 1856)
Genus: Laonome Malmgren,1866
Species: Laonome kroeyeri Malmgren, 1866
Fanworms. With radiolar crown, in calcareous tubes. From 2 to 100 mm.
Genus: Ditrupa Berkeley,1835
Species: Ditrupa arietina (O. F. Müller, 1776)
Genus: Protula Risso,1826
Species: Protula tubularia (Montagu, 1803)
Genus: Placostegus Philippi,1844
Species: Placostegus tridentatus (Fabricius, 1779)
Genus: Bushiella Knight-Jones,1973
Species: Bushiella (Jugaria) quadrangularis (Stimpson, 1854)
Species: Bushiella (Jugaria) similis (Bush, 1905)
Genus: Metavermilia Bush,1904
Species: Metavermilia arctica Kupriyanova, 1993
Genus: Ditrupa Berkeley,1835
Species: Ditrupa arietina (O. F. Müller, 1776)
Genus: Protula Risso,1826
Species: Protula tubularia (Montagu, 1803)
Genus: Placostegus Philippi,1844
Species: Placostegus tridentatus (Fabricius, 1779)
Genus: Bushiella Knight-Jones,1973
Species: Bushiella (Jugaria) quadrangularis (Stimpson, 1854)
Species: Bushiella (Jugaria) similis (Bush, 1905)
Genus: Metavermilia Bush,1904
Species: Metavermilia arctica Kupriyanova, 1993
ACICULATA Rouse & Fauchald, 1997
Order: Amphinomida
Family: EUPHROSINIDAE Williams, 1851
Morphologically uniform, with short body, as long as wide. With characteristic brittle, calcareous chaetae.
Genus: Euphrosine de Lamarck,1818
Species: Euphrosine borealis Örsted, 1843
Genus: Euphrosine de Lamarck,1818
Species: Euphrosine borealis Örsted, 1843
Order: Eunicida
Family: DORVILLEIDAE Chamberlin, 1919
Morphologically heterogeneous group. From few segments and micrometers in length to several centimeters and large number of segments.
Genus: Parougia Wolf,1986
Species: Parougia sp.
Genus: Ophryotrocha Claparède & Mecznikow, 1869
Species: Ophryotrocha cosmetandra Oug, 1990
Species: Ophryotrocha cf. scarlatoi Averincev, 1989
Species: Ophryotrocha spatula Fournier & Conlan, 1994
Family: LUMBRINERIDAE Malmgren, 1867Genus: Parougia Wolf,1986
Species: Parougia sp.
Genus: Ophryotrocha Claparède & Mecznikow, 1869
Species: Ophryotrocha cosmetandra Oug, 1990
Species: Ophryotrocha cf. scarlatoi Averincev, 1989
Species: Ophryotrocha spatula Fournier & Conlan, 1994
Medium-sized to large worms, from few centimeters to over half of meter in length and several hundreds of segments. Free living with jaws.
Genus: Lumbrineris de Blainville, 1828
Species: Lumbrineris fragilis (O.F.Müller, 1766)
Species: Lumbrineris mixochaeta Oug, 1998
Family: ONUPHIDAE Kinberg, 1865Genus: Lumbrineris de Blainville, 1828
Species: Lumbrineris fragilis (O.F.Müller, 1766)
Species: Lumbrineris mixochaeta Oug, 1998
Anterior part often cylindrical and widest becoming medially and posteriorly more flattened. Most tubiculous.
Genus: Paradiopatra Ehlers, 1887
Species: Paradiopatra quadricuspis (M. Sars in G.O. Sars, 1872)
Genus: Nothria Malmgren,1867
Species: Nothria conchylega (Sars, 1835)
Genus: Paradiopatra Ehlers, 1887
Species: Paradiopatra quadricuspis (M. Sars in G.O. Sars, 1872)
Genus: Nothria Malmgren,1867
Species: Nothria conchylega (Sars, 1835)
Order: Phyllodocida
Suborder: Aphroditiformia
Family: APHRODITIDAE Malmgren, 1867
Scale worms with simple chaetae. Dorso-ventrally flattened. Sea mice within the group.
Genus: Laetmonice Kinberg, 1855
Species: Laetmonice filicornis Kinberg, 1855
Family: PHOLOIDAE Kinberg, 1858Genus: Laetmonice Kinberg, 1855
Species: Laetmonice filicornis Kinberg, 1855
Small (up to 20 mm, up to 90 segments), short-bodied scale worms. Stiff body.
Genus: Pholoe Johnston,1839
Species: Pholoe assimilis Örsted, 1845
Family: POLYNOIDAE Kinberg, 1855Genus: Pholoe Johnston,1839
Species: Pholoe assimilis Örsted, 1845
Scale worms with simple chaetae. Dorso-ventrally flattened.
Genus: Harmothoe Kinberg,1855
Species: Harmothoe imbricata (Linnaeus, 1767)
Genus: Eunoe Malmgren,1865
Species: Eunoe oerstedi Malmgren, 1865
Genus: Gattyana McIntosh, 1897 emend. Pettibone, 1953
Species: Gattyana cirrhosa (Pallas, 1766)
Genus: Bylgides Chamberlin, 1919
Species: Bylgides elegans (Théel, 1879)
Species: Bylgides groenlandicus (Malmgren, 1867)
Genus: Enipo Malmgren,1865
Species: Enipo torelli (Malmgren, 1865)
Genus: Harmothoe Kinberg,1855
Species: Harmothoe imbricata (Linnaeus, 1767)
Genus: Eunoe Malmgren,1865
Species: Eunoe oerstedi Malmgren, 1865
Genus: Gattyana McIntosh, 1897 emend. Pettibone, 1953
Species: Gattyana cirrhosa (Pallas, 1766)
Genus: Bylgides Chamberlin, 1919
Species: Bylgides elegans (Théel, 1879)
Species: Bylgides groenlandicus (Malmgren, 1867)
Genus: Enipo Malmgren,1865
Species: Enipo torelli (Malmgren, 1865)
Suborder: Nereidiformia
Family: CHRYSOPETALIDAE Ehlers, 1864
With golden, flattened notochaetae that cover the dorsum. Small to moderate size, from 1 to 50mm and 10 to over 300 segments. Dorso-ventrally flattened with paleae or more elliptical and resemble.
Genus: Dysponetus Levinsen, 1879
Species: Dysponetus pygmaeus Levinsen, 1879
Family: HESIONIDAE M.Sars, 1862Genus: Dysponetus Levinsen, 1879
Species: Dysponetus pygmaeus Levinsen, 1879
Common in sublittoral, especially in rocky or mixed bottom. Heterogeneous, from few millimeters to several centimeters. Extremely fragile.
Genus: Nereimyra de Blainville, 1828
Species: Nereimyra punctata (Müller, 1776)
Genus: Microphthalmus Mecznikow, 1865
Species: Microphthalmus sp.
Family: NEREIDIDAE Johnston, 1845Genus: Nereimyra de Blainville, 1828
Species: Nereimyra punctata (Müller, 1776)
Genus: Microphthalmus Mecznikow, 1865
Species: Microphthalmus sp.
Ragworms. From few millimeters to over meter long, from 15 to several hundreds segments. The most familiar family.
Genus: Nereis Linnaeus, 1758
Species: Nereis zonata Malmgren, 1867
Species: Nereis pelagica Linnaeus, 1758
Family: SYLLIDAE Grube, 1850Genus: Nereis Linnaeus, 1758
Species: Nereis zonata Malmgren, 1867
Species: Nereis pelagica Linnaeus, 1758
Large, variable but highly characteristic group.
Genus: Syllis de Lamarck, 1818
Species: Syllis cornuta Rathke, 1843
Genus: Sphaerosyllis Claparède, 1863
Species: Sphaerosyllis erinaceus Claparède, 1863
Genus: Myrianida Milne Edwards, 1845
Species: Myrianida sp.
Genus: Exogone Örsted, 1845
Species: Exogone naidina Örsted, 1845
Genus: Syllis de Lamarck, 1818
Species: Syllis cornuta Rathke, 1843
Genus: Sphaerosyllis Claparède, 1863
Species: Sphaerosyllis erinaceus Claparède, 1863
Genus: Myrianida Milne Edwards, 1845
Species: Myrianida sp.
Genus: Exogone Örsted, 1845
Species: Exogone naidina Örsted, 1845
Suborder: Phyllodocida unplaced
Family: GLYCERIDAE Grube, 1850
Venomous. From 1 cm to over half a meter with several hundreds of segments. Body cylindrical to dorso-ventrally flattened in transverse section and anteriorly and posteriorly tapers to fine points.
Genus: Glycera de Lamarck, 1818
Species: Glycera lapidum Quatrefages, 1866
Family: NEPHTYIDAE Grube, 1850Genus: Glycera de Lamarck, 1818
Species: Glycera lapidum Quatrefages, 1866
Abundant in shallow waters. Difficult to identify to species level. In transverse sections body characteristically rectangular. From few millimeters to 30-40cm, with anterior end larger and the posterior end tapering.
Genus: Nephtys Cuvier, 1817
Species: Nephtys ciliata (O.F. Müller, 1776)
Species: Nephtys incisa Malmgren, 1865
Species: Nephtys paradoxa Malm, 1874
Species: Nephtys pente Rainer, 1984
Genus: Aglaophamus Kinberg, 1865
Species: Aglaophamus malmgreni (Théel, 1879)
Family: PHYLLODOCIDAE Örsted, 1843Genus: Nephtys Cuvier, 1817
Species: Nephtys ciliata (O.F. Müller, 1776)
Species: Nephtys incisa Malmgren, 1865
Species: Nephtys paradoxa Malm, 1874
Species: Nephtys pente Rainer, 1984
Genus: Aglaophamus Kinberg, 1865
Species: Aglaophamus malmgreni (Théel, 1879)
Paddle-worms. With large and flattened dorsal cirri. Vary in size from few millimeters to over a meter and in number of segments from 20 to thousand.
Genus: Phyllodoce de Lamarck, 1818
Species: Phyllodoce (Anaitides) groenlandica Örsted, 1842
Genus: Eteone de Savigny, 1822
Species: Eteone flava (Fabricius, 1780)
Species: Eteone longa (Fabricius, 1780)
Species: Eteone spetsbergensis Malmgren, 1865
Species: Eteone barbata Malmgren, 1865
Genus: Eumida Malmgren,1865
Species: Eumida arctica (Annenkova, 1946)
Family: SPHAERODORIDAE Malmgren, 1867Genus: Phyllodoce de Lamarck, 1818
Species: Phyllodoce (Anaitides) groenlandica Örsted, 1842
Genus: Eteone de Savigny, 1822
Species: Eteone flava (Fabricius, 1780)
Species: Eteone longa (Fabricius, 1780)
Species: Eteone spetsbergensis Malmgren, 1865
Species: Eteone barbata Malmgren, 1865
Genus: Eumida Malmgren,1865
Species: Eumida arctica (Annenkova, 1946)
Body surface covered by conspicuous macro- and microtubercles and/or papillae, which are often segmentally arranged in transverse rows. Small to medium sized. Short and grub-like with up to 30 segments or elongated and slender with more segments.
Genus: Sphaerodoridium Lützen,1961
Species: Sphaerodoridium sp.
Genus: Sphaerodoropsis Hartman & Fauchald, 1971
Species: Sphaerodoropsis sp.
Species: Sphaerodoropsis philippi (Fauvel, 1911)
Genus: Sphaerodoridium Lützen,1961
Species: Sphaerodoridium sp.
Genus: Sphaerodoropsis Hartman & Fauchald, 1971
Species: Sphaerodoropsis sp.
Species: Sphaerodoropsis philippi (Fauvel, 1911)