Ventral hooks from the first chaetiger, bidentate, with a subdistal keel
Caulleriella alata
Caulleriella alata
Ventral hooks from chaetiger 10-12, unidentate, without a keel
Caulleriella caput-esocis
Caulleriella caput-esocis
2 possible taxa remaining show scientific names show common names
617 taxa excluded
show scientific names
show common names
- Abyssoninoe hibernica
- Acanthicolepis asperrima
- Acrocirridae
- Adyte pellucida
- Aglaophamus malmgreni
- Aglaophamus rubella
- Alciopa reynaudii
- Alentia gelatinosa
- Alkmaria romijni
- Amaeana trilobata
- Amage auricula
- Amblyosyllis formosa
- Ampharete acutifrons
- Ampharete baltica
- Ampharete falcata
- Ampharete finmarchica
- Ampharete goesi
- Ampharete lindstroemi
- Ampharetidae
- Amphicteis gunneri
- Amphicteis midas
- Amphicteis sundevalli
- Amphiglena mediterranea
- Amphinomidae
- Amphitrite cirrata
- Amphitritides gracilis
- Amythasides macroglossus
- Anobothrus gracilis
- Antinoe finmarchica
- Aonides oxycephala
- Aonides paucibranchiata
- Aphelochaeta marioni
- Aphelochaeta multibranchis
- Aphelochaeta vivipara
- Aphrodita aculeata
- Aphroditidae
- Aphropharynx heterochaeta
- Apistobranchidae
- Apistobranchus tenuis
- Apistobranchus tullbergi
- Apomatus similis
- Arenicola marina
- Arenicolidae
- Arenicolides ecaudata
- Arenotrocha minuta
- Aricidea albatrossae
- Aricidea catherinae
- Aricidea cerrutii
- Aricidea minuta
- Aricidea simonae
- Aricidea suecica
- Artacama proboscidea
- Asclerocheilus intermedius
- Austrolaenilla mollis
- Autolytus alexandri
- Autolytus brachycephalus
- Autolytus edwarsi
- Autolytus inermis
- Autolytus langerhansi
- Autolytus longeferiens
- Autolytus prolifer
- Autolytus quinquedecimdentatus
- Autolytus rubrolineatus
- Autolytus rubropunctatus
- Axionice maculata
- Baldia johnstoni
- Bathychaetus heptapous
- Bispira crassicornis
- Bispira volutacornis
- Brada inhabilis
- Brada villosa
- Branchiomma bombyx
- Branchiomma inconspicua
- Brania limbata
- Brania pusilla
- Bylgides elegans
- Bylgides groenlandicus
- Bylgides sarsi
- Calamyzas amphictenicola
- Capitella capitata
- Capitella giardi
- Capitella minima
- Capitellidae
- Caulleriella bioculata
- Caulleriella parva
- Caulleriella serrata
- Ceratocephale loveni
- Chaetoparia nilssoni
- Chaetopteridae
- Chaetopterus variopedatus
- Chaetozone setosa
- Chirimia biceps
- Chitinopoma serrula
- Chone duneri
- Chone fauveli
- Chone filicaudata
- Chone longocirrata
- Circeis armoricana
- Circeis spirillum
- Cirratulidae
- Cirratulus cirratus
- Cirratulus filiformis
- Cirriformia tentaculata
- Cirrophorus armatus
- Cirrophorus eliasoni
- Cirrophorus lyra
- Clymenella cincta
- Clymenella torquata
- Clymenura lankesteri
- Commensodorum commensalis
- Cossura longocirrata
- Ctenodrilinae
- Ctenodrilus serratus
- Dasybranchus caducus
- Dinophilus gyrociliatus
- Dinophilus taeniatus
- Diplaconotum paucidentatum
- Diplocirrus glaucus
- Ditrupa arietina
- Diurodrilidae
- Diurodrilus minimus
- Diurodrilus subterraneus
- Dodecaceria concharum
- Dorvillea erucaeformis
- Dorvilleidae
- Drilonereis
- Drilonereis brattstroemi
- Drilonereis filum
- Dysponetus caecus
- Dysponetus paleophorus
- Eclysippe vanelli
- Enipo elisabethae
- Enipo kinbergi
- Ephesiella peripatus
- Eteone barbata
- Eteone flava
- Eteone foliosa
- Eteone fucata
- Eteone longa
- Eteone picta
- Eteone spetsbergensis
- Eteone suecica
- Euchone analis
- Euchone papillosa
- Euchone rubrocincta
- Euclymene droebachiensis
- Euclymene lindrothi
- Euclymene oerstedi
- Euclymene robusta
- Eucranta villosa
- Eulalia bilineata
- Eulalia clavigera
- Eulalia expusilla
- Eulalia hanssoni
- Eulalia mustela
- Eulalia tjalfiensis
- Eulalia tripunctata
- Eulalia viridis
- Eumida arctica
- Eumida bahusiensis
- Eumida ockelmanni
- Eumida sanguinea
- Eunice dubitata
- Eunice norvegica
- Eunice pennata
- Eunicidae
- Eunoe nodosa
- Euphrosine armadillo
- Euphrosine borealis
- Euphrosine foliosa
- Euphrosinidae
- Eupolymnia nebulosa
- Eupolymnia nesidensis
- Eurysyllis tuberculata
- Eusyllis assimilis
- Eusyllis blomstrandi
- Eusyllis lamelligera
- Euzonus flabelligerus
- Exogone furcifera
- Exogone hebes
- Exogone naidina
- Exogone verugera
- Fabricia stellaris
- Fabriciola baltica
- Ficopomatus enigmaticus
- Filograna implexa
- Flabelligera affinis
- Flabelligeridae
- Gattyana amondseni
- Gattyana cirrosa
- Glycera alba
- Glycera capitata
- Glycera gigantea
- Glycera lapidum
- Glycera rouxii
- Glycera tesselata
- Glycera tridactyla
- Glycera unicornis
- Glyceridae
- Glycinde nordmanni
- Goniada maculata
- Goniada norvegica
- Goniada pallida
- Goniadella bobretzkii
- Goniadidae
- Gyptis mackiei
- Gyptis propinqua
- Gyptis rosea
- Haematocleptes terebellidis
- Harmothoe antilopes
- Harmothoe aspera
- Harmothoe borealis
- Harmothoe extenuata
- Harmothoe fragilis
- Harmothoe imbricata
- Harmothoe impar
- Harmothoe pagenstecheri
- Harmothoe spinifera
- Harmothoe viridis
- Hauchiella tribullata
- Hermodice carunculata
- Hermonia hystrix
- Hesionides arenaria
- Hesionides maxima
- Hesioninae
- Hesionura elongata
- Heteromastus filiformis
- Histriobdella homari
- Histriobdellidae
- Hyalinoecia tubicola
- Hydroides elegans
- Hydroides norvegica
- Hypania invalida
- Iphitime hartmanae
- Isocirrus planiceps
- Janua brasiliensis
- Janua pagenstecheri
- Jasmineira candela
- Jasmineira elegans
- Josephella marenzelleri
- Jugaria granulata
- Kefersteinia cirrata
- Laetmonice filicornis
- Lanassa venusta
- Lanice conchilega
- Laonice bahusiensis
- Laonice cirrata
- Laonice sarsi
- Laonome kroeyeri
- Lepidonotus clava
- Lepidonotus squamatus
- Leucia nivea
- Levinsenia gracilis
- Lipobranchus jeffreysii
- Lumbriclymene cylindricauda
- Lumbriclymene minor
- Lumbrineridae
- Lumbrineris agastos
- Lumbrineris aniara
- Lumbrineris fragilis
- Lumbrineris gracilis
- Lumbrineris latreilli
- Lumbrineris magnidentata
- Lumbrineris tetraura
- Lysilla loveni
- Lysippe labiata
- Lysippides fragilis
- Macrochaeta bansei
- Macrochaeta clavicornis
- Macrochaeta helgolandica
- Macrochaeta polyonyx
- Magelona alleni
- Magelona filiformis
- Magelona minuta
- Magelona mirabilis
- Magelonidae
- Malacoceros fuliginosus
- Malacoceros tetracerus
- Malacoceros vulgaris
- Maldane arctica
- Maldane sarsi
- Maldanidae
- Malmgrenia andreapolis
- Malmgrenia arenicolae
- Malmgrenia castanea
- Malmgrenia furcosetosa
- Malmgrenia glabra
- Malmgrenia ljungmani
- Malmgrenia marphysae
- Malmgrenia mcintoshi
- Manayunkia aestuarina
- Marenzelleria viridis
- Marenzelleria wireni
- Marphysa sanguinea
- Mediomastus fragilis
- Meganerilla swedmarki
- Melinna cristata
- Melinna elisabethae
- Microclymene acirrata
- Microphthalminae
- Microphthalmus aberrans
- Microphthalmus bifurcatus
- Microphthalmus fragilis
- Microphthalmus listensis
- Microphthalmus sczelkowii
- Microphthalmus similis
- Microspio mecznikowianus
- Mugga wahrbergi
- Myriochele danielsseni
- Myriochele oculata
- Mystides caeca
- Mystides southerni
- Myxicola infundibulum
- Naineris quadricuspida
- Neoamphitrite affinis
- Neoamphitrite figulus
- Neoamphitrite grayi
- Neoamphitrite groenlandica
- Neoleanira tetragona
- Neopolynoe paradoxa
- Nephtyidae
- Nephtys assimilis
- Nephtys caeca
- Nephtys ciliata
- Nephtys cirrosa
- Nephtys hombergii
- Nephtys hystricis
- Nephtys incisa
- Nephtys kersivalensis
- Nephtys longosetosa
- Nephtys paradoxa
- Nephtys pente
- Nephtys pulchra
- Nereididae
- Nereimyra punctata
- Nereiphylla lutea
- Nereis diversicolor
- Nereis elitoralis
- Nereis fucata
- Nereis irrorata
- Nereis longissima
- Nereis pelagica
- Nereis succinea
- Nereis virens
- Nereis zonata
- Nerilla antennata
- Nerillidae
- Nerillidium gracile
- Nerillidium marinum
- Nerillidium troglochaetoides
- Nicolea venustula
- Nicolea zostericola
- Nicomache lumbricalis
- Nicomache minor
- Nicomache personata
- Nicomache trispinata
- Notaulax rectangulata
- Nothria conchylega
- Notomastus latericeus
- Notophyllum americanum
- Notophyllum foliosum
- Octobranchus floriceps
- Odontosyllis ctenosoma
- Odontosyllis fulgurans
- Odontosyllis gibba
- Onuphidae
- Ophelia limacina
- Ophelia rathkei
- Opheliinae
- Ophelina abranchiata
- Ophelina acuminata
- Ophelina cylindricaudata
- Ophelina minima
- Ophelina modesta
- Ophelina norvegica
- Ophelininae
- Ophiodromus flexuosus
- Ophryotrocha dubia
- Ophryotrocha gerlachi
- Ophryotrocha geryonicola
- Ophryotrocha gracilis
- Ophryotrocha hartmanni
- Ophryotrocha longidentata
- Ophryotrocha maculata
- Ophryotrocha puerilis
- Ophryotrocha socialis
- Opisthodonta pterochaeta
- Orbinia armandi
- Orbinia kupfferi
- Orbinia latreillii
- Orbinia norvegica
- Orbinia sertulata
- Orbiniidae
- Ougia subaequalis
- Owenia fusiformis
- Paleaonotus debilis
- Panthalis oerstedi
- Paradexiospira vitrea
- Paradiopatra fiordica
- Paradiopatra quadricuspis
- Paramphinome jeffreysii
- Paramphitrite tetrabranchia
- Paranaitis kosteriensis
- Paranaitis wahlbergi
- Paranerilla limicola
- Paraonidae
- Paraonis fulgens
- Parapodrilus psammophilus
- Parergodrilidae
- Pareurythoe borealis
- Parophryotrocha isochaeta
- Parougia eliasoni
- Pectinaria auricoma
- Pectinaria belgica
- Pectinaria granulata
- Pectinaria hyperborea
- Pectinaria koreni
- Pectinariidae
- Perinereis cultrifera
- Petaloproctus borealis
- Petta pusilla
- Pherusa falcata
- Pherusa flabellata
- Pherusa plumosa
- Pholoe inornata
- Pholoe pallida
- Pholoe synophthalmica
- Pholoidae
- Phyllochaetopterus major
- Phyllodoce citrina
- Phyllodoce groenlandica
- Phyllodoce laminosa
- Phyllodoce lineata
- Phyllodoce longipes
- Phyllodoce maculata
- Phyllodoce mucosa
- Phyllodoce rosea
- Phyllodocidae
- Pionosyllis compacta
- Pionosyllis lamelligera
- Pionosyllis pulligera
- Pionosyllis serrata
- Pirakia punctifera
- Pisione remota
- Pista cristata
- Pistella lornensis
- Placostegus tridentatus
- Platynereis dumerilii
- Platynereis massiliensis
- Podarkeopsis helgolandica
- Poecilochaetus serpens
- Polycirrus arcticus
- Polycirrus aurantiacus
- Polycirrus caliendrum
- Polycirrus latidens
- Polycirrus medusa
- Polycirrus norvegicus
- Polycirrus plumosus
- Polydora antennata
- Polydora caeca
- Polydora caulleryi
- Polydora ciliata
- Polydora cornuta
- Polydora flava
- Polydora giardi
- Polydora hermaphroditica
- Polydora hoplura
- Polydora ligerica
- Polydora limicola
- Polydora paucibranchiata
- Polydora pulchra
- Polydora quadrilobata
- Polydora socialis
- Polygordiidae
- Polygordius appendiculatus
- Polygordius lacteus
- Polynoe scolopendrina
- Polynoidae
- Polyphysia crassa
- Pomatoceros lamarcki
- Pomatoceros triqueter
- Potamilla neglecta
- Potamilla torelli
- Praxillella affinis
- Praxillella praetermissa
- Praxillella quadrilobata
- Praxillura longissima
- Prionospio banyulensis
- Prionospio cirrifera
- Prionospio fallax
- Prionospio multibranchiata
- Prionospio plumosa
- Prionospio steenstrupi
- Proceraea aurantiaca
- Proceraea cornuta
- Proceraea picta
- Proceraea prismatica
- Procerastea halleziana
- Procerastea nematodes
- Proclea graffii
- Proclymene muelleri
- Protodorvillea kefersteini
- Protodrilidae
- Protodriloides chaetifer
- Protodriloides symbioticus
- Protodriloididae
- Protodrilus adhaerens
- Protodrilus affinis
- Protodrilus brevis
- Protodrilus ciliatus
- Protodrilus gracilis
- Protodrilus hatscheki
- Protodrilus helgolandicus
- Protodrilus hypoleucus
- Protodrilus oculifer
- Protodrilus purpureus
- Protodrilus robustus
- Protodrilus rubropharyngeus
- Protomystides exigua
- Protula tubularia
- Psammodrilidae
- Psammodrilus balanoglossoides
- Pseudomystides limbata
- Pseudomystides spinachia
- Pseudopotamilla reniformis
- Pusillotrocha akessoni
- Pygospio elegans
- Raricirrus beryli
- Rhodine gracilior
- Rhodine loveni
- Sabella pavonina
- Sabellaria alveolata
- Sabellaria spinulosa
- Sabellariidae
- Sabellidae
- Sabellides borealis
- Sabellides octocirrata
- Salmacina dysteri
- Samytha sexcirrata
- Scalibregma inflatum
- Scalibregmatidae
- Scolelepis bonnieri
- Scolelepis cantabra
- Scolelepis foliosa
- Scolelepis korsuni
- Scolelepis squamata
- Scolelepis tridentata
- Scoloplos armiger
- Serpula vermicularis
- Serpulidae
- Sigalion mathildae
- Sigalionidae
- Sige fusigera
- Sige oliveri
- Sosane sulcata
- Sosanopsis wireni
- Sphaerodoridae
- Sphaerodoridium fauchaldi
- Sphaerodoropsis baltica
- Sphaerodoropsis disticha
- Sphaerodoropsis minuta
- Sphaerodoropsis philippi
- Sphaerodorum flavum
- Sphaerosyllis bulbosa
- Sphaerosyllis erinaceus
- Sphaerosyllis hystrix
- Sphaerosyllis tetralix
- Spinther arcticus
- Spio filicornis
- Spio goniocephala
- Spio martinensis
- Spiochaetopterus typicus
- Spionidae
- Spiophanes bombyx
- Spiophanes kroeyeri
- Spiophanes urceolata
- Spirorbis corallinae
- Spirorbis spirorbis
- Spirorbis tridentatus
- Sternaspis scutata
- Sthenelais boa
- Sthenelais jeffreysii
- Sthenelais limicola
- Sthenelais zetlandica
- Streblosoma bairdi
- Streblosoma intestinale
- Streblospio benedicti
- Streptosyllis arenae
- Streptosyllis websteri
- Stygocapitella subterranea
- Syllidae
- Syllides articulocirrata
- Syllides benedicti
- Syllides longocirrata
- Syllidia armata
- Syllis gracilis
- Synelmis klatti
- Terebellidae
- Terebellides stroemi
- Thalassochaetus palpifoliaceus
- Tharyx killariensis
- Thelepus cincinnatus
- Tomopteris helgolandica
- Tomopteris septentrionalis
- Travisia forbesii
- Trichobranchidae
- Trichobranchus glacialis
- Trichobranchus roseus
- Trilobodrilus axi
- Trilobodrilus heideri
- Trochochaeta multisetosa
- Troglochaetus beranecki
- Typosyllis armillaris
- Typosyllis cornuta
- Typosyllis hyalina
- Typosyllis variegata
- Websterinereis glauca
Decision path