Biota
Animalia
Echinodermata
Asterozoa
Ophiuroidea
Arthropoda
Crustacea
Multicrustacea
Malacostraca
Eumalacostraca
Eucarida
Decapoda
Pleocyemata
Caridea ▪ Natantia [objective synonym]
Peracarida
Amphipoda
Gammaridea
Ampeliscidae
Phoxocephalidae
Harpiniinae
Harpinia▪ Harpinia gurjanovae [objective synonym]
▪ Harpinia kobjakovae [objective synonym]
▪ Harpinia salebrosa [objective synonym]
Senticaudata
Hadziida
Hadziidira
Hadzioidea
Corophiida
Caprellidira
Cumacea
Leuconidae
Leucon▪ Leucon nasica [objective synonym]
▪ Leucon acutirostris [objective synonym]
▪ Leucon fulvus [objective synonym]
▪ Leucon nasicoides [objective synonym]
▪ Leucon pallidus [objective synonym]
Tanaidacea
Tanaidomorpha
Paratanaoidea
Pseudotanaidae
Pseudotanainae
Pseudotanais
Pseudotanais (Pseudotanais) [objective synonym]▪ Pseudotanais (Pseudotanais) lilljeborgi [objective synonym]
▪ Mysidacea [objective synonym]
Mollusca
Bivalvia
Heterodonta
Euheterodonta
Imparidentia
Cardiida
Tellinoidea
Tellinidae
Cardioidea
Cardiidae
Clinocardiinae
Clinocardium▪ Clinocardium ciliatum [objective synonym]
▪ Clinocardium californiense [objective synonym]
Lucinida
Thyasiroidea
Protobranchia
Nuculanida
Nuculanoidea
Nuculida
Nuculoidea
Nuculidae
Nucula▪ Nucula (Nucula) [lexical variant]
▪ Nucula (Pronucula) [objective synonym]
▪ Nucula (Rumptunucula) [lexical variant]
▪ Nucula (Varinucula) [lexical variant]
Pteriomorphia
Gastropoda
Caenogastropoda
Neogastropoda
Conoidea▪ Conidae
Mangeliidae
Buccinoidea▪ Neptuneidae [subjective synonym]
Littorinimorpha
Rissooidea
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]
Heterobranchia
Aculifera [objective synonym]
Annelida
Polychaeta
Errantia
Phyllodocida
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]
▪ Ephesia [objective synonym]
Eunicida
Lumbrineridae
Onuphidae ▪ Arabellidae [subjective synonym]
Sedentaria
Scolecida
Maldanidae
Nicomachinae
Paraonidae
Aricidea▪ Aricidea minuta [lexical variant]
▪ Aricidea catherinae [objective synonym]
▪ Aricidea quadrilobata [objective synonym]
▪ Paraonis
▪ 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
Terebellomorpha
Trichobranchidae
Trichobranchinae
Terebellides▪ Terebellides stroemi [objective synonym]
▪ Terebellides williamsae [subjective synonym]
Pectinariidae
Sabellida▪ Spirorbidae [lexical variant]
Cnidaria
Anthozoa
Bryozoa
Stenolaemata▪ Cyclostomata [objective synonym]
Gymnolaemata
Cheilostomatida
Flustrina
Calloporoidea
Calloporidae
Sipuncula
Sipunculidea
Golfingiida
Golfingiidae
Nephasoma
Nephasoma diaphanes [lexical variant]▪ Nephasoma diaphanes corrugatum [lexical variant]
▪ Nephasoma diaphanes diaphanes [lexical variant]
Golfingia▪ Golfingia margaritacea [lexical variant]
▪ Golfingia vulgaris [objective synonym]
▪ Nemertini [objective synonym]
▪ Pogonophora [objective synonym]
▪ Sipunculida [objective synonym]
Echinozoa
Biota (-) > Animalia (Kingdom) > Echinodermata (Phylum)
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Morphology
Size
Body Form
Skeleton
Fragility
Sociability
Life History
Reproduction
Larval development
Life span
Behaviour
Living habit
Adult movement
Mobility
Feeding Habit
Trophic Level
Substratum Affinity
Bioturbation
Tolerance
Environmental position
Depth Range
Zoogeography