The following taxa of this order occur in the region:
Genus Acanthicolepis
Genus Antinoe
Family Acoetidae
Genus Adyte
Genus Aglaophamus
Genus Alciopa
Family Alciopidae
Genus Alentia
Genus Amblyosyllis
Genus Bylgides
Genus Aphrodita
Family Aphroditidae
Superfamily Aphroditoidea
Genus Austrolaenilla
Subfamily Autolytinae
Genus Autolytus
Genus Brania
Genus Calamyzas
Subfamily Calamyzinae
Genus Ceratocephale
Genus Chaetoparia
Family Chrysopetalidae
Genus Commensodorum
Genus Diplaconotum
Genus Dysponetus
Genus Enipo
Genus Ephesiella
Genus Eteone
Genus Eucranta
Genus Eulalia
Genus Eumida
Genus Eunoe
Subfamily Eurysyllinae
Genus Eurysyllis
Subfamily Eusyllinae
Genus Eusyllis
Genus Exogone
Subfamily Exogoninae
Genus Gattyana
Genus Glycera
Family Glyceridae
Superfamily Glyceroidae
Genus Glycinde
Genus Goniada
Genus Goniadella
Family Goniadidae
Subfamily Gymnonereidinae
Genus Gyptis
Genus Harmothoe
Genus Hermonia
Family Hesionidae
Genus Hesionides
Subfamily Hesioninae
Genus Hesionura
Genus Kefersteinia
Genus Laetmonice
Genus Lepidonotus
Genus Leucia
Genus Malmgrenia
Subfamily Microphthalminae
Genus Microphthalmus
Genus Mystides
Genus Neoleanira
Genus Neopolynoe
Family Nephtyidae
Superfamily Nephtyoidea
Genus Nephtys
Family Nereididae
Subfamily Nereidinae
Superfamily Nereidoidea
Genus Nereimyra
Genus Nereiphylla
Genus Nereis
Genus Notophyllum
Genus Odontosyllis
Genus Ophiodromus
Genus Opisthodonta
Genus Paleaonotus
Genus Panthalis
Genus Paranaitis
Genus Perinereis
Genus Pholoe
Family Pholoidae
Genus Phyllodoce
Family Phyllodocidae
Superfamily Phyllodocoidea
Family Pilargidae
Genus Pionosyllis
Genus Pirakia
Genus Pisione
Family Pisionidae
Genus Platynereis
Genus Podarkeopsis
Genus Polynoe
Family Polynoidae
Genus Proceraea
Genus Procerastea
Genus Protomystides
Genus Pseudomystides
Genus Sigalion
Family Sigalionidae
Genus Sige
Family Sphaerodoridae
Genus Sphaerodoridium
Genus Sphaerodoropsis
Genus Sphaerodorum
Genus Sphaerosyllis
Genus Sthenelais
Genus Streptosyllis
Family Syllidae
Genus Syllides
Genus Syllidia
Subfamily Syllinae
Genus Syllis
Subfamily Synelminae
Genus Synelmis
Family Tomopteridae
Genus Tomopteris
Genus Typosyllis
Genus Websterinereis
Acanthicolepis asperrima
Adyte pellucida
Aglaophamus malmgreni
Aglaophamus rubella
Alciopa reynaudii
Alentia gelatinosa
Amblyosyllis formosa
Antinoe finmarchica
Aphrodita aculeata
Austrolaenilla mollis
Autolytus alexandri
Autolytus brachycephalus
Autolytus edwarsi
Autolytus inermis
Autolytus langerhansi
Autolytus longeferiens
Autolytus prolifer
Autolytus quinquedecimdentatus
Autolytus rubrolineatus
Autolytus rubropunctatus
Brania limbata
Brania pusilla
Bylgides elegans
Bylgides groenlandicus
Bylgides sarsi
Calamyzas amphictenicola
Ceratocephale loveni
Chaetoparia nilssoni
Commensodorum commensalis
Diplaconotum paucidentatum
Dysponetus caecus
Dysponetus paleophorus
Enipo elisabethae
Enipo kinbergi
Ephesiella peripatus
Eteone barbata
Eteone flava
Eteone foliosa
Eteone fucata
Eteone longa
Eteone picta
Eteone spetsbergensis
Eteone suecica
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
Eunoe nodosa
Eurysyllis tuberculata
Eusyllis assimilis
Eusyllis blomstrandi
Eusyllis lamelligera
Exogone furcifera
Exogone hebes
Exogone naidina
Exogone verugera
Gattyana amondseni
Gattyana cirrosa
Glycera alba
Glycera capitata
Glycera gigantea
Glycera lapidum
Glycera rouxii
Glycera tesselata
Glycera tridactyla
Glycera unicornis
Glycinde nordmanni
Goniada maculata
Goniada norvegica
Goniada pallida
Goniadella bobretzkii
Gyptis mackiei
Gyptis propinqua
Gyptis rosea
Harmothoe antilopes
Harmothoe aspera
Harmothoe borealis
Harmothoe extenuata
Harmothoe fragilis
Harmothoe imbricata
Harmothoe impar
Harmothoe pagenstecheri
Harmothoe spinifera
Harmothoe viridis
Hermonia hystrix
Hesionides arenaria
Hesionides maxima
Hesionura elongata
Kefersteinia cirrata
Laetmonice filicornis
Lepidonotus clava
Lepidonotus squamatus
Leucia nivea
Malmgrenia andreapolis
Malmgrenia arenicolae
Malmgrenia castanea
Malmgrenia furcosetosa
Malmgrenia glabra
Malmgrenia ljungmani
Malmgrenia lunulata
Malmgrenia marphysae
Malmgrenia mcintoshi
Microphthalmus aberrans
Microphthalmus bifurcatus
Microphthalmus fragilis
Microphthalmus listensis
Microphthalmus sczelkowii
Microphthalmus similis
Mystides caeca
Mystides southerni
Neoleanira tetragona
Neopolynoe paradoxa
Nephtys assimilis
Nephtys caeca
Nephtys ciliata
Nephtys cirrosa
Nephtys hombergii
Nephtys hystricis
Nephtys incisa
Nephtys kersivalensis
Nephtys longosetosa
Nephtys paradoxa
Nephtys pente
Nephtys pulchra
Nereimyra punctata
Nereiphylla lutea
Nereis diversicolor
Nereis elitoralis
Nereis fucata
Nereis irrorata
Nereis longissima
Nereis pelagica
Nereis succinea
Nereis virens
Nereis zonata
Notophyllum americanum
Notophyllum foliosum
Odontosyllis ctenosoma
Odontosyllis fulgurans
Odontosyllis gibba
Ophiodromus flexuosus
Opisthodonta pterochaeta
Paleaonotus debilis
Panthalis oerstedi
Paranaitis kosteriensis
Paranaitis wahlbergi
Perinereis cultrifera
Pholoe inornata
Pholoe pallida
Pholoe synophthalmica
Phyllodoce citrina
Phyllodoce groenlandica
Phyllodoce laminosa
Phyllodoce lineata
Phyllodoce longipes
Phyllodoce maculata
Phyllodoce mucosa
Phyllodoce rosea
Pionosyllis compacta
Pionosyllis lamelligera
Pionosyllis pulligera
Pionosyllis serrata
Pirakia punctifera
Pisione remota
Platynereis dumerilii
Platynereis massiliensis
Podarkeopsis helgolandica
Polynoe scolopendrina
Proceraea aurantiaca
Proceraea cornuta
Proceraea picta
Proceraea prismatica
Procerastea halleziana
Procerastea nematodes
Protomystides exigua
Pseudomystides limbata
Pseudomystides spinachia
Sigalion mathildae
Sige fusigera
Sige oliveri
Sphaerodoridium fauchaldi
Sphaerodoropsis baltica
Sphaerodoropsis disticha
Sphaerodoropsis minuta
Sphaerodoropsis philippi
Sphaerodorum flavum
Sphaerosyllis bulbosa
Sphaerosyllis erinaceus
Sphaerosyllis hystrix
Sphaerosyllis tetralix
Sthenelais boa
Sthenelais jeffreysii
Sthenelais limicola
Sthenelais zetlandica
Streptosyllis arenae
Streptosyllis websteri
Syllides articulocirrata
Syllides benedicti
Syllides longocirrata
Syllidia armata
Syllis gracilis
Synelmis klatti
Tomopteris helgolandica
Tomopteris septentrionalis
Typosyllis armillaris
Typosyllis cornuta
Typosyllis hyalina
Typosyllis variegata
Websterinereis glauca