Phylum Mollusca

Body shape vermiform, without feet, the mantle, the surface of which is covered with calcareous spicules covers almost the whole body of the clam.

Proneomenia sluiteri

Cuspidaria arcticaLyonsiella abyssicolaSimilipecten greenlandicusAstarte arcticaBathyarca glacialisChlamys islandicaCiliatocardium ciliatumCyclopecten hoskynsiDelectopecten vitreusHiatella arcticaEnnucula tenuisLyonsia arenosaMacoma calcareaMusculus laevigatusMytilus edulisMya truncataNuculana pernulaYoldia hyperboreaYoldiella intermediaPseudamussium peslutraeKarnekampia sulcataPoromya granulataThracia myopsisPandora glacialisParacratis minutaParvicardium pinnulatumCrenella decussataHeteranomia squamulaKelliella miliarisPalliolum tigerinumThracia myopsisThyasira gouldiSerripes groenlandicusLimatula subauriculataCuspidaria glacialisAstarte borealisBathyarca pectunculoidesHiatella rugosaMusculus nigerYoldiella lucidaCuspidaria lamellosaAstarte crebricostataCuspidaria obesaAstarte crenataCuspidaria rostrataAstarte ellipticaCuspidaria subtortaAstarte esquimaltiAstarte montaguiAstarte sulcataAstarte vernicosa

Stenosemus albus

As with all mollusks, gastropods are characterized by having a true coelom, a fluid-filled and fully-lined body cavity; a body divided into the three parts of head, visceral mass, and muscular foot; and organ systems for circulation, respiration, digestion, excretion, nerve conduction, and reproduction (Towle 1989).

Lepeta caecaPuncturella noachinaMargarites costalisTachyrhynchus reticulatusPyrulofusus deformisBuccinum angulosumNeptunea communisTurrisipho lachesisVolutopsius norwegicusBoreotrophon truncatusAdmete viridulaPropebela exarataLaona finmarchicaScaphander punctostriatusAldisa zetlandicaCryptonatica affinis Euspira pallidaBulbus smithiiAmauropsis islandicaTrivia arcticaCapulus ungaricusPiliscus commodusOnchidiopsis glacialisVelutina plicatilisMarsenina glabraTorellia delicataLimneria undataCylichna albaCylichnoides scalptusCalliostoma occidentaleLaeocochlis sinistratusBoreoscala greenlandicaScabrotrophon fabriciiPseudopolinices nanusNeoiphinoe kroeyeriVolutomitra groenlandicaIothia fulvaNucella lapillusPhiline denticulataCiliatovelutina lanigeraAstyris rosaceaBeringius turtoniSolariella obscuraPleurotomella packardiiAporrhais pespelecani Mohnia mohniAulacofusus brevicaudaAriadnaria borealisLiomesus ovumPlicifusus kroeyeriRetifusus latericeusAnomalisipho altusMargarites groenlandicusBuccinum hydrophanumColus holboelliNeptunea denselirataTurrisipho moebiiLaona quadrataVelutina velutinaScaphander lignariusCylichnoides occultusCryptonatica bathybiiEuspira tenuistriataNeoiphinoe arcticaCylichna lemcheiTachyrhynchus erosusPhiline limaLimneria insculptaOnchidiopsis groenlandicaBeringius ossianiaSolariella varicosaBuccinum scalariformeColus islandicusNeptunea despectaBoreotrophon clathratusCylichnoides densistriatusPhiline ventricosaVelutina schneideriOnchidiopsis carneaTurrisipho fenestratusBuccinum fragileTurrisipho dalliNeptunea ventricosaBuccinum glacialeColus pubescensTurrisipho voeringiBuccinum ciliatum ciliatumColus sabiniBuccinum ciliatum sericatumColus turgidulusBuccinum finmarkianumBuccinum polareBuccinum undatumBuccinum cyaneum Buccinum maltzaniBuccinum belcheriBuccinum nivaleBuccinum micropoma

The body consists of head and torso. Foot highly modified into a funnel — conical tube leading into the mantle cavity, where the clams swim. Around the mouth the crown is situated tentacles, or arms, which are lined with several rows of suction cups are strong and have powerful muscles.

Gonatus fabricii Bathypolypus arcticusTodarodes sagittatus Rossia palpebrosaSepietta owenianaCirroteuthis muelleri Stauroteuthis syrtensis Bathypolypus bairdiiRossia moelleri Bathypolypus pugniger

Detailed description is not set.

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