Species List
The fjord "Sekken" - Ytre Hvaler Nasjonalpark / Kosterhavet Nationalpark
1 Indet. boring foram ForaminiferidaRhizopodaGRANULORETICULOSA
2xRhizammina algaeformis Brady, 1879RhizamminaAstrorhizidaeForaminiferidaRhizopodaGRANULORETICULOSA
3xDendrophyra erecta Wright, 1861DendrophryaAstrorhizidaeForaminiferidaRhizopodaGRANULORETICULOSA
4xDendrophyra arborescens Norman, 1881DendrophryaAstrorhizidaeForaminiferidaRhizopodaGRANULORETICULOSA
5xArmorella sphaerica Heron-Allen & Earland, 1932ArmorellaAstrorhizidaeForaminiferidaRhizopodaGRANULORETICULOSA
6xHaliphysema ramulosum Bowerbank, in Cushman 1918HaliphysemaAstrorhizidaeForaminiferidaRhizopodaGRANULORETICULOSA
7 Rhabdammina cornuta (Brady, 1879)RhabdamminaAstrorhizidaeForaminiferidaRhizopodaGRANULORETICULOSA
8 Aschemonella sp. (Brady, 1879)AschemonellaLituolidaeForaminiferidaRhizopodaGRANULORETICULOSA
9xTritaxilina caperata H.B. Brady, in Cushman 1922TritaxilinaTextulariidaeForaminiferidaRhizopodaGRANULORETICULOSA
10xAcervulina inhaerens Schultze, 1854AcervulinaAcervulinidaeForaminiferidaRhizopodaGRANULORETICULOSA
11xCibicides sp. Montfort, 1808CibicidesAnomalinidaeForaminiferidaRhizopodaGRANULORETICULOSA
12xIndet. Spirillinidae SpirillinidaeForaminiferidaRhizopodaGRANULORETICULOSA
13 Pelosina variabilis Brady, 1879PelosinaAstrorhizidaeForaminiferidaRhizopodaGRANULORETICULOSA
14xNemogullmia longevaribilis Nyholm, 1956NemogullmiaAllogromiidaeForaminiferidaRhizopodaGRANULORETICULOSA
15xSpiculosiphon radiata Christiansen, 1964SpiculosiphonSaccamminidaeForaminiferidaRhizopodaGRANULORETICULOSA
16xZoothamnium Ehrenberg, 1838ZoothamniumZoothamnidaeSessilidaOligohymenophoreaCILIOPHORA
17xIndet. Stentoridae StentoridaeHeterotrichidaHeterotricheaCILIOPHORA
18xIndet. Folliculinidae FolliculinidaeHeterotrichidaHeterotricheaCILIOPHORA
19xSycon ciliatum (Fabricius, 1780)SyconLeucosoleniidaeLeucosoleniidaCalcareaPORIFERA
20xClathrina sp. Gray, 1867ClathrinaClathrinidaeClathrinidaCalcareaPORIFERA
21xGuancha sp. Miklucho-Maclay, 1868GuanchaClathrinidaeClathrinidaCalcareaPORIFERA
22xHalisarca dujardini Johnston, 1842HalisarcaHalisarcidaeDendroceratidaDemospongiaePORIFERA
23xMycale (Mycale) lingua (Bowerbank, 1866)MycaleMycalidaePoeciloscleridaDemospongiaePORIFERA
24xCorymorpha nana Alder, 1857CorymorphaCorymorphiidaeCapitataHydrozoaCNIDARIA
25 Indet. Bougainvilliidae BougainvilliidaeFiliferaHydrozoaCNIDARIA
26 Hydractinia carnea M. Sars, 1846HydractiniaBougainvillidaeFiliferaHydrozoaCNIDARIA
27xPerigonimus sp. M. Sars, 1846PerigonimusBougainvillidaeFiliferaHydrozoaCNIDARIA
28xBougainvillia muscus Allman, 1863BougainvilliaBougainvillidaeFiliferaHydrozoaCNIDARIA
29xEudendrium rameum (Pallas, 1766)EudendriumEudendridaeFiliferaHydrozoaCNIDARIA
30 Eudendrium capillare Alder, 1857EudendriumEudendridaeFiliferaHydrozoaCNIDARIA
31xLovenella producta (Sars, 1873)LovenellaLovenellidaeConicaHydrozoaCNIDARIA
32xStegopoma plicatile (Sars, 1863)StegopomaTirannidaeConicaHydrozoaCNIDARIA
33 Modeeria rotunda (Quoy & Gaimard, 1827)ModeeriaTirannidaeConicaHydrozoaCNIDARIA
34xLafoea dumosa (Fleming, 1820)LafoeaLafoeidaeConicaHydrozoaCNIDARIA
35xHalopteris catharina (Johnston, 1833)Halopteris PlumulariidaeConicaHydrozoaCNIDARIA
36xKirchenpaueria pinnata (Linnaeus, 1758)KirchenpaueriaKirchenpaueriidaeConicaHydrozoaCNIDARIA
37xCampanularia hincksii Alder, 1865CampanulariaCampanulariidaeProboscoidaHydrozoaCNIDARIA
38xLaomedea sp. Lamouroux, 1812LaomedeaCampanulariidaeProboscoidaHydrozoaCNIDARIA
39xLaomedea neglecta Alder, 1856LaomedeaCampanulariidaeProboscoidaHydrozoaCNIDARIA
40xClytia gracilis (Sars, 1850)ClytiaCampanulariidaeProboscoidaHydrozoaCNIDARIA
41 Obelia dichotoma (Linneaus, 1758)ObeliaCampanulariidaeProboscoidaHydrozoaCNIDARIA
42xGonactinia prolifera (Sars, 1835)GonactiniaGonactiniidaeActiniaridaAnthozoa HexacoralliaCNIDARIA
43xProtanthea simplex Carlgren, 1891ProtantheaGonactiniidaeActiniaridaAnthozoa HexacoralliaCNIDARIA
44xEdwardsiella carnea (Gosse)EdwardsiellaEdwardsiidaeActiniaridaAnthozoa HexacoralliaCNIDARIA
45xAlcyonium norvegicum Linnaeus, 1758AlcyoniumAlcyoniidaeAlcyonaceaAnthozoa OctocoralliaCNIDARIA
46xIndet. Platyhelminthes TurbellariaPLATYHELMINTHES
47xIndet. Nematoda NEMATODA
48xTetrastemma candidum (Müller, 1774)TetrastemmaTetrastemmatidaeHoplonemertidaEnoplaNEMERTEA
49 Nipponnemertes pulchra (Johnston, 1837)NipponnemertesCratenemertidaeHoplonemertidaEnoplaNEMERTEA
50xLineus bilineatus (Renier, 1804)LineusLineidaeHeteronemertidaAnoplaNEMERTEA
51xCerebratulus fuscus (McIntosh, 1874)CerebratulusLineidaeHeteronemertidaAnoplaNEMERTEA
52xNereimyra punctata (Müller, 1788)NereimyraHesionidaePhyllodocidaPolychaeta AciculataANNELIDA
53xIndet. Hesionidae Sars, 1862 HesionidaePhyllodocidaPolychaeta AciculataANNELIDA
54 Platynereis sp. Kinberg, 1865PlatynereisNereididaePhyllodocidaPolychaeta AciculataANNELIDA
55 Indet. Polynoidae Kinberg, 1856 PolynoidaePhyllodocidaPolychaeta AciculataANNELIDA
56xHarmothoe sp. Kinberg, 1856HarmothoëPolynoidaePhyllodocidaPolychaeta AciculataANNELIDA
57xLepidonotus squamatus (Linnaeus, 1758)LepidonotusPolynoidaePhyllodocidaPolychaeta AciculataANNELIDA
58xEunoe nodosa (M. Sars, 1861)EunoePolynoidaePhyllodocidaPolychaeta AciculataANNELIDA
59xNotophyllum foliosum (Sars, 1835)NotophyllumPhyllodocidaePhyllodocidaPolychaeta AciculataANNELIDA
60xSyllis armillaris (O.F. Müller, 1776)SyllisSyllidaePhyllodocidaPolychaeta AciculataANNELIDA
61xSphaerosyllis hystrix Claparède, 1863SphaerosyllisSyllidaePhyllodocidaPolychaeta AciculataANNELIDA
62xMyrianida prolifera (O.F. Müller, 1788)MyrianidaSyllidaePhyllodocidaPolychaeta AciculataANNELIDA
63 Sphaerodorum gracilis Rathke, 1843SphaerodorumSphaerodoridaePhyllodocidaPolychaeta AciculataANNELIDA
64xPolycirrus norvegicus Wollebæk, 1912PolycirrusTerebellidaeTerebellidaPolychaeta CanalipalpataANNELIDA
65xThelepus cincinnatus (Fabricius, 1780)ThelepusTerebellidaeTerebellidaPolychaeta CanalipalpataANNELIDA
66xLanassa venusta (Malm, 1874)LanassaTerebellidaeTerebellidaPolychaeta CanalipalpataANNELIDA
67xSabellides octocirrata (M. Sars, 1835)SabellidesAmpharetidaeTerebellidaPolychaeta CanalipalpataANNELIDA
68xIndet. Cirratulidae Ryckholt, 1851 CirratulidaeTerebellidaPolychaeta CanalipalpataANNELIDA
69xFlabelligera affinis M. Sars, 1829FlabelligeraFlabelligeridaeTerebellidaPolychaeta CanalipalpataANNELIDA
70xIndet. Spirorbinae SpirorbinaeSabellidaPolychaeta CanalipalpataANNELIDA
71xSerpula concharum Langerhans, 1880SerpulaSerpulidaeSabellidaPolychaeta CanalipalpataANNELIDA
72xPlacostegus tridentatus(Fabricius, 1779)PlacostegusSerpulidaeSabellidaPolychaeta CanalipalpataANNELIDA
73xPomatoceros triqueter (Linnaeus, 1758)PomatocerosSerpulidaeSabellidaPolychaeta CanalipalpataANNELIDA
74xHydroides norvegicus Gunnerus, 1768HydroidesSerpulidaeSabellidaPolychaeta CanalipalpataANNELIDA
75xFilograna implexa Berkeley 1835FilogranaSerpulidaeSabellidaPolychaeta CanalipalpataANNELIDA
76 Salmacina dysteri (Huxley, 1855)Salmacina SerpulidaeSabellidaPolychaeta CanalipalpataANNELIDA
77xApomatus similis Marion & Bobretzky, 1875ApomatusSerpulidaeSabellidaPolychaeta CanalipalpataANNELIDA
78xProtula tubularia (Montagu, 1803)ProtulaSerpulidaeSabellidaPolychaeta CanalipalpataANNELIDA
79xSabella pavonina Savigny in Sars, 1835SabellaSabellidaeSabellidaPolychaeta CanalipalpataANNELIDA
80xMyxicola infundibulum (Montagu, 1808)MyxicolaSabellidaeSabellidaPolychaeta CanalipalpataANNELIDA
81xEunice norvegica (Linnaeus, 1767)EuniceEunicidaeEunicidaPolychaeta CanalipalpataANNELIDA
82xOphryotrocha sp. Claparède & Mecznikow, 1869OphryotrochaDorvilleidaeEunicidaPolychaeta CanalipalpataANNELIDA
83xDinophilus gyrociliatus O. Schmidt, 1857DinophilusDorvilleidaeEunicidaPolychaeta CanalipalpataANNELIDA
84xChaetopterus variopedatus Cuvier, 1827ChaetopterusChaetopteridaeSpionidaPolychaeta CanalipalpataANNELIDA
85xScalibregma inflatum Rathke, 1843ScalibregmaScalibregmatidaeScolecidaPolychaeta CanalipalpataANNELIDA
86xHanleya hanleyi (Bean in Thorpe, 1844)HanleyaHanleyidaeLepidopleuridaPolyplacophoraMOLLUSCA
87xLeptochiton asellus (Gmelin, 1791)LeptochitonLeptochitonidaeLepidopleuridaPolyplacophoraMOLLUSCA
88xIothia fulva (Müller O.F., 1776)IothiaLepetidaeDocoglossaGastropodaMOLLUSCA
89xLepeta caeca (Müller O.F., 1776)LepetaLepetidaeDocoglossaGastropodaMOLLUSCA
90xPuncturella noachina (Linnaeus, 1771)PuncturellaFissurelidaeArchaeogastropodaGastropodaMOLLUSCA
91xEmarginula fissura (Linnaeus, 1758)EmarginulaFissurelidaeArchaeogastropodaGastropodaMOLLUSCA
92xTrophonopsis barvicensis (Johnston, 1825)TrophonopsisMuricidaeNeogastropodaGastropodaMOLLUSCA
93xBuccinum undatum Linnaeus, 1758 BuccinumBuccinidaeNeogastropodaGastropodaMOLLUSCA
94xIndet. Doridoidea Rafinesque, 1815 (Doridoidea)NudibranchiaGastropodaMOLLUSCA
95xElysia viridis (Montagu, 1804)ElysiaElysiidaeNudibranchiaGastropodaMOLLUSCA
96xDoto sp. Oken, 1815DotoDotoidaeNudibranchiaGastropodaMOLLUSCA
97xDoto maculata (Montagu, 1804)DotoDotoidaeNudibranchiaGastropodaMOLLUSCA
98xTritonia plebeia Johnston, 1828TritoniaTritoniidaeNudibranchiaGastropodaMOLLUSCA
99xEubranchus exiguus (Alder & Hancock, 1848)EubranchusEubranchiidaeNudibranchiaGastropodaMOLLUSCA
100xCoryphella lineata (Lovén, 1846)CoryphellaFlabellinidaeNudibranchiaGastropodaMOLLUSCA
101xCoryphella gracilis (Alder & Hancock, 1844)CoryphellaFlabellinidaeNudibranchiaGastropodaMOLLUSCA
102xModiolula phaseolina (Philippi, 1844)ModiolulaMytilidaeMytiolidaBivalvia MOLLUSCA
103xHiatella arctica (Linneus, 1767)HiatellaHiatellidaeMyoidaBivalvia MOLLUSCA
104xKurtiella bidentata (Montagu, 1803)KurtiellaLasaeidaeLimoidaBivalvia MOLLUSCA
105xIndet. Anomiidae Rafinesque, 1815 AnomiidaeLimoidaBivalvia MOLLUSCA
106xPalliolum striatum (Müller O.F., 1776)PalliolumPectinidaeLimoidaBivalvia MOLLUSCA
107xPalliolum furtivum (Lovén, 1846) PalliolumPectinidaeLimoidaBivalvia MOLLUSCA
108xPseudamussium sulcatum (Müller O.F., 1776)PseudamussiumPectinidaeLimoidaBivalvia MOLLUSCA
109xChlamys varia nivea (MacGillivray, 1825)ChlamysPectinidaeLimoidaBivalvia MOLLUSCA
110xIndet. Ostracoda HalocypridaOstracodaARTHROPODA
111 Indet. Arachnida HalacharidaeAcariformidaArachnidaARTHROPODA
112 Indet. Harpactoida Copepoda HarpactoidaCopepodaARTHROPODA
113xIndet. Copepoda CalanoidaCopepodaARTHROPODA
114xSabelliphilus elongatus Sars M., 1862SabelliphilusSabelliphilidaePoecilostomatoid(e)aCopepodaARTHROPODA
115xVerruca stroemia O.F. Müller, 1776VerrucaVerrucidaeSessiliaThecostrataARTHROPODA
116xGnathia dentata (G. O. Sars, 1872) GnathiaGnathiidaeIsopodaEumalacostracaARTHROPODA
117xGnathia maxillaris (Montagu, 1804)GnathiaGnathiidaeIsopodaEumalacostracaARTHROPODA
118 Idotea sp. Fabricius, 1798IdoteaIdoteidaeIsopodaEumalacostracaARTHROPODA
119xJanira maculosa Leach, 1814JaniraParasellidaeIsopodaEumalacostracaARTHROPODA
120xMunna limicola Sars, 1866MunnaMunnidaeIsopodaEumalacostracaARTHROPODA
121xCressa dubia (Bate, 1857)CressaCressidaeAmphipodaEumalacostracaARTHROPODA
122xLeucothoe sp. (cf. L. assimilis) Leach, 1814LeucothoeLeucothidaeAmphipodaEumalacostracaARTHROPODA
123xLeucothoe spinicarpa (Abildgaard, 1789)LeucothoeLeucothidaeAmphipodaEumalacostracaARTHROPODA
124xStenothoë marina (Bate, 1856)StenothoëStenothoidaeAmphipodaEumalacostracaARTHROPODA
125xTryphosella sarsi Bonnier, 1893TryphosellaLysianassidaeAmphipodaEumalacostracaARTHROPODA
126xJassa falcata (Montagu, 1808)JassaIschyroceridaeAmphipodaEumalacostracaARTHROPODA
127xPhtisica marina Slabber, 1769PhtisicaPhtisicidaeAmphipodaEumalacostracaARTHROPODA
128xCorophium sp. Latreille, 1806CorophiumCorophidaeAmphipodaEumalacostracaARTHROPODA
129xStenopleustes latipes (Sars, 1858) StenopleutesPleustidaeAmphipodaEumalacostracaARTHROPODA
130xMunidopsis serricornis (Lovén, 1853)MunidopsisGalatheidaeDecapodaEumalacostracaARTHROPODA
131xLoxosomella sp. Mortensen, 1911LoxosomellaLoxosomatidae SolitariaENTOPROCTA
132xBarentsia sp. Hincks, 1880BarentsiaBarentsiidae ColonialesENTOPROCTA
133 Indet. Ctenostomatida (erect) Busk, 1852 AlcyonidiidaeCtenostomatidaGymnolaemataECTOPROCTA BRYOZOA
134 Alcyonidium sp. Lamouroux, 1813 (crustose Ctenostomatida)AlcyonidiumAlcyonidiidaeCtenostomatidaGymnolaemataECTOPROCTA BRYOZOA
135xTubulipora liliacea (Pallas, 1766)TubuliporaTubuliporidaeCyclostomatidaStenolaemataECTOPROCTA BRYOZOA
136xIdmidronea atlantica (Forbes, in Johnston, 1847)IdmidroneaTubuliporidaeCyclostomatidaStenolaemataECTOPROCTA BRYOZOA
137xDisporella hispida (Fleming, 1828)DisporellaLichenoporidaeCyclostomatidaStenolaemataECTOPROCTA BRYOZOA
138xPlagioecia patina (Lamarck, 1816)PlagioeciaPlagioeciidae syn. DiastoporidaeCyclostomatidaStenolaemataECTOPROCTA BRYOZOA
139xDiplosolen obelia (Johnston, 1838) DiplosolenDiastoporidaeCyclostomatidaStenolaemataECTOPROCTA BRYOZOA
140xEntalophoroecia deflexa (Couch, 1842)EntalophoroeciaAnnectocymidaeCyclostomatidaStenolaemataECTOPROCTA BRYOZOA
141 Oncousoecia dilatans (Johnston, 1847)OncousoeciaOncousoeciidaeCyclostomatidaStenolaemataECTOPROCTA BRYOZOA
142xPorella patula (M. Sars, 1851)PorellaPorellidaeCheilostomatida (Ascophora)GymnolaemataECTOPROCTA BRYOZOA
143xEscharella sp. Gray, 1848EscharellaEscharellidaeCheilostomatida (Ascophora)GymnolaemataECTOPROCTA BRYOZOA
144xSchizomavella linearis (Hassall, 1841) ?SchizomavellaSchizoporellidaeCheilostomatida (Ascophora)GymnolaemataECTOPROCTA BRYOZOA
145xSmittoidea reticulata (MacGillvray, 1842)SmittoideaSmittinidaeCheilostomatida (Ascophora)GymnolaemataECTOPROCTA BRYOZOA
146 Indet. Calloporidae Norman, 1903 (cf. Callopora dumerilii) CalloporidaeCheilostomatida (Anasca)GymnolaemataECTOPROCTA BRYOZOA
147xAmphiblestrum flemingii (Busk, 1854)AmphiblestrumCalloporidaeCheilostomatida (Anasca)GymnolaemataECTOPROCTA BRYOZOA
148xBicellariella ciliata (Linnaeus, 1758)BicellariellaBugulidaeCheilostomatida (Anasca)GymnolaemataECTOPROCTA BRYOZOA
149xNovocrania anomala (Müller, 1776)NovocraniaCraniidaeAcrotretidaInarticulataBRACHIOPODA
150xTerebratulina retusa (Linnaeus, 1758)TerebratulinaCancellothyrididaeTerebratulidaArticulataBRACHIOPODA
151xMacandrevia cranium (O.F. Müller, 1776)MacandreviaMacandrevidaeTerebratulidaArticulataBRACHIOPODA
152 Spadella sp. Langerhans, 1880SpadellaSpadellidaePhragmophorida CHAETOGNATHA
153xHathrometra sarsii (Düben & Koren, 1846)HathrometraAntedonidaeComatulidaCrinoideaECHINODERMATA
154xOphiura albida Forbes, 1839OphiuraOphiuridaeOphiuridaOphiuroideaECHINODERMATA
155xAmphipholis squamata (Delle Chiaje, 1828)AmphipholisAmphiuridaeOphiuridaOphiuroideaECHINODERMATA
156xOphiopholis aculeata (Linnaeus, 1767)OphiopholisOphiactidaeOphiuridaOphiuroideaECHINODERMATA
157xOphiactis balli (W. Thomson, 1840)OphiactisOphiactidaeOphiuridaOphiuroideaECHINODERMATA
158xOphiotrix fragilis (Abildgaard, 1789)OphiotrixOphiotricidaeOphiuridaOphiuroideaECHINODERMATA
159xOphiocomina nigra (Abildgaard, in O.F. Müller, 1789)OphiocominaOphiacanthidaeOphiuridaOphiuroideaECHINODERMATA
160xRhabdopleura normani Allman, 1869RhabdopleuraRhabdopleuridaeRhabdopleuridaPterobranchiaHEMICHORDATA
161xAscidia obliqua Alder, 1863/ A. callosa Stimpson, 1852AscidiaAscidiidaeEnterogonidaAscidiaceaCHORDATA
162xAscidia mentula Müller, 1776AscidiaAscidiidaeEnterogonidaAscidiaceaCHORDATA
163 Ascidia conchilega Moeller, 1842AscidiaAscidiidaeEnterogonidaAscidiaceaCHORDATA
164xDidemnum albidum (Verrill, 1871)DidemnumDidemnidaeEnterogonidaAscidiaceaCHORDATA
165 Trididemnum cereum (Giard, 1872)TrididemnumDidemnidaeEnterogonidaAscidiaceaCHORDATA
166xCiona intestinalis (Linnaeus, 1758)CionaCionidaeEnterogonidaAscidiaceaCHORDATA
167xStyela coriacea (Alder & Hancock, 1848)StyelaStyelidaePleurogonidaAscidiaceaCHORDATA
168xStyela gelatinosa Traustedt, 1886StyelaStyelidaePleurogonidaAscidiaceaCHORDATA
169 Styela atlantica (van Name, 1912)StyelaStyelidaePleurogonidaAscidiaceaCHORDATA
170 Styela (cf. S. theeli) Fleming, 1822StyelaStyelidaePleurogonidaAscidiaceaCHORDATA
171xPolycarpa fibrosa (Stimpson, 1852)PolycarpaStyelidaePleurogonidaAscidiaceaCHORDATA
172xDendrodoa grossularia (van Beneden, 1846)DendrodoaStyelidaePleurogonidaAscidiaceaCHORDATA
173 Cnemidocarpa sp. Huntsman, 1913CnemidocarpaStyelidaePleurogonidaAscidiaceaCHORDATA
174xPyura tessellata (Forbes, 1848)PyuraPyuriidaePleurogonidaAscidiaceaCHORDATA
175xBoltenia echinata (Linnaeus, 1767)BolteniaPyuriidaePleurogonidaAscidiaceaCHORDATA