Biota
Animalia
Echinodermata
Asterozoa
Ophiuroidea
Echinozoa
Arthropoda
Crustacea
Multicrustacea
Malacostraca
Eumalacostraca
Eucarida
Decapoda
Pleocyemata
Caridea
▪ Natantia [objective synonym]
Peracarida
Amphipoda
Gammaridea
Lysianassoidea
Lysianassidae
Boeckosimus [subjective synonym]
▪ Boeckosimus derjugini [objective synonym]
▪ Boeckosimus plautus [objective synonym]
▪ Boeckosimus [subjective synonym]
Ampeliscidae
Phoxocephalidae
Harpiniinae
Harpinia
▪ Harpinia gurjanovae [objective synonym]
▪ Harpinia kobjakovae [objective synonym]
▪ Harpinia salebrosa [objective synonym]
Senticaudata
Hadziida
Hadziidira
Hadzioidea
Melitidae
Melita
▪ Melita dentata [objective synonym]
▪ Melita quadrispinosa [objective synonym]
▪ Melita formosa [objective synonym]
Corophiida
Corophiidira
Corophioidea
Corophiidae
Corophiinae
Amphilochidea
Amphilochida
Amphilochidira
Amphilochoidea
Cumacea
Leuconidae
Leucon
▪ Leucon nasica [objective synonym]
▪ Leucon acutirostris [objective synonym]
▪ Leucon fulvus [objective synonym]
▪ Leucon nasicoides [objective synonym]
▪ Leucon pallidus [objective synonym]
Isopoda
Tanaidacea
Tanaidomorpha
Paratanaoidea
Pseudotanaidae
Pseudotanainae
Pseudotanais
Pseudotanais (Pseudotanais) [objective synonym]
▪ Pseudotanais (Pseudotanais) lilljeborgi [objective synonym]
▪ Pseudotanais (Pseudotanais) affinis [objective synonym]
▪ Mysidacea [objective synonym]
Chelicerata
Pycnogonida
Pantopoda
Eupantopodida
Mollusca
Bivalvia
Heterodonta
Euheterodonta
Cardiida
Tellinoidea
Tellinidae
Macominae
Macoma
▪ Macoma dexioptera [objective synonym]
▪ Macoma balthica [objective synonym]
▪ Macoma balthica [objective synonym]
Cardioidea
Cardiidae
Clinocardiinae
Clinocardium
▪ Clinocardium ciliatum [objective synonym]
▪ Clinocardium californiense [objective synonym]
Cardiinae
Cardium
▪ Cardium fasciatum [objective synonym]
▪ Cardium fasciatum [objective synonym]
▪ Cardium edule [objective synonym]
▪ Cardium echinatum [objective synonym]
Lucinida
Thyasiroidea
Adapedonta
Hiatelloidea
Protobranchia
Nuculanida
Nuculanoidea
Nuculida
Nuculoidea
Nuculidae
Nucula
▪ Nucula (Nucula) [lexical variant]
▪ Nucula (Pronucula) [objective synonym]
▪ Nucula (Rumptunucula) [lexical variant]
▪ Nucula (Varinucula) [lexical variant]
▪ Nucula tenuis [objective synonym]
▪ Nucula tenuis [objective synonym]
▪ Nucula tenuis [objective synonym]
Pteriomorphia
Mytilida
Mytiloidea
Mytilidae
Gastropoda
Vetigastropoda
Trochoidea
Margaritidae
Margarites
▪ Margarites beringensis [subjective synonym]
▪ Margarites striatus [objective synonym]
Caenogastropoda
Neogastropoda
Conoidea
▪ Conidae
Mangeliidae
Oenopota
▪ Oenopota scalaroides [objective synonym]
▪ Oenopota bicarinata [subjective synonym]
▪ Oenopota decussata [objective synonym]
▪ Turridae
Buccinoidea
▪ Neptuneidae [subjective synonym]
Littorinimorpha
Naticoidea
Naticidae
Naticinae
Polinicinae
Lunatia [objective synonym]
▪ Lunatia pallida [objective synonym]
▪ Lunatia pallida [objective synonym]
▪ Lunatia [objective synonym]
Rissooidea
Rissoidae
▪ Cingula
Rissoa
▪ Rissoa interrupta [objective synonym]
▪ Rissoa interrupta [objective synonym]
▪ Rissoa interrupta [objective synonym]
Velutinoidea
Velutinidae
Velutininae
Velutina
▪ Velutina conica [objective synonym]
▪ Velutina undata [objective synonym]
▪ Velutina undata [objective synonym]
▪ Velutina laevigata [objective synonym]
▪ Lamellariidae [objective synonym]
Capuloidea
Capulidae
Trichotropis
▪ Trichotropis coronata [objective synonym]
▪ Trichotropis borealis [objective synonym]
▪ Trichotropis kroyeri [objective synonym]
▪ Trichotropidae [objective synonym]
[unassigned] Caenogastropoda
Cerithioidea
Turritellidae
Turritellinae
Tachyrhynchus
▪ Tachyrhynchus spitzbergensis [subjective synonym]
▪ Tachyrhynchus reticulatis [objective synonym]
Epitonioidea
Epitoniidae
Boreoscala
▪ Boreoscala groenlandica [objective synonym]
▪ Boreoscala groenlandica [objective synonym]
Triphoroidea
Newtoniellidae
Eumetulinae
Laskeya [objective synonym]
▪ Laskeya arctica [objective synonym]
▪ Laskeya arctica [objective synonym]
▪ Laskeya [objective synonym]
Heterobranchia
Opisthobranchia
Cephalaspidea
Cylichnoidea
Patellogastropoda
Lottioidea
▪ Lottidae [objective synonym]
Lottiidae
Testudinalia
▪ Testudinalia tessellata [objective synonym]
▪ Testudinalia tessulata [objective synonym]
Acmaeidae
Acmaea
▪ Acmaea testudinalis [objective synonym]
▪ Acmaea virginea [objective synonym]
▪ Acmaea rubella [objective synonym]
Polyplacophora
Neoloricata
Chitonida
Chitonina
Chitonoidea
Ischnochitonidae
Ischnochiton
▪ Ischnochiton albus [objective synonym]
▪ Ischnochiton albus [objective synonym]
▪ Ischnochiton albus [objective synonym]
Annelida
Polychaeta
Errantia
Phyllodocida
Aphroditiformia
▪ Pisionidae [subjective synonym]
Nereidiformia
▪ Nereidae [lexical variant]
Phyllodocida incertae sedis
Sphaerodoridae
Sphaerodorum
▪ Sphaerodorum sphaerulifer [objective synonym]
▪ Sphaerodorum flavum [subjective synonym]
Ephesia [objective synonym]
▪ Ephesia gracilis [objective synonym]
▪ Ephesia peripatus [subjective synonym]
Eunicida
Lumbrineridae
Dorvilleidae
Schistomeringos
▪ Schistomeringos caeca [objective synonym]
▪ Schistomeringos rudolphii [objective synonym]
Onuphidae
Onuphinae
Onuphis
▪ Onuphis parva [objective synonym]
▪ Onuphis quadricuspis [objective synonym]
▪ Onuphis hyperborea [subjective synonym]
▪ Arabellidae [subjective synonym]
Sedentaria
Scolecida
Maldanidae
Nicomachinae
Paraonidae
Aricidea
▪ Aricidea minuta [lexical variant]
▪ Aricidea catherinae [objective synonym]
▪ Aricidea quadrilobata [objective synonym]
Paraonella [objective synonym]
▪ Paraonella nordica [objective synonym]
▪ Paraonella nordica [objective synonym]
▪ Paraonella [objective synonym]
▪ Scalibregmidae [objective synonym]
▪ Questidae [subjective synonym]
Canalipalpata
Spionida
Spioniformia
Spionidae
Polydora
▪ Polydora quadrilobata [objective synonym]
▪ Polydora caeca [objective synonym]
▪ Polydora caulleryi [objective synonym]
▪ Polydora socialis [objective synonym]
Terebellida
Cirratuliformia
Terebellomorpha
Trichobranchidae
Trichobranchinae
Terebellides
▪ Terebellides stroemi [objective synonym]
▪ Terebellides williamsae [subjective synonym]
Pectinariidae
Sabellida
Sabellidae
Sabellinae
Serpulidae
Pomatoceros [subjective synonym]
▪ Pomatoceros triqueter [objective synonym]
▪ Pomatoceros triqueter [objective synonym]
▪ Pomatoceros triqueter [objective synonym]
▪ Pomatoceros [subjective synonym]
▪ Pomatoceros [subjective synonym]
▪ Spirorbidae [lexical variant]
Cnidaria
Anthozoa
Hexacorallia
Actiniaria
Enthemonae
▪ Zoanthidea [subjective synonym]
Hydrozoa
Hydroidolina
Leptothecata