The following taxa of this order occur in the region:
Genus Alkmaria
Genus Amaeana
Genus Amage
Genus Ampharete
Family Ampharetidae
Subfamily Ampharetinae
Genus Amphicteis
Genus Amphitrite
Genus Amphitritides
Genus Amythasides
Genus Anobothrus
Genus Artacama
Subfamily Artacaminae
Genus Axionice
Genus Eclysippe
Genus Eupolymnia
Genus Hauchiella
Genus Hypania
Genus Lanassa
Genus Lanice
Genus Lysilla
Genus Lysippe
Genus Lysippides
Genus Melinna
Subfamily Melinninae
Genus Mugga
Genus Neoamphitrite
Genus Nicolea
Genus Octobranchus
Genus Paramphitrite
Genus Pectinaria
Family Pectinariidae
Genus Petta
Genus Pista
Genus Pistella
Subfamily Polycirrinae
Genus Polycirrus
Genus Proclea
Genus Sabellides
Genus Samytha
Genus Sosane
Genus Sosanopsis
Genus Streblosoma
Family Terebellidae
Genus Terebellides
Subfamily Terebellinae
Subfamily Thelepodinae
Genus Thelepus
Family Trichobranchidae
Genus Trichobranchus
Alkmaria romijni
Amaeana trilobata
Amage auricula
Ampharete acutifrons
Ampharete baltica
Ampharete falcata
Ampharete finmarchica
Ampharete goesi
Ampharete lindstroemi
Amphicteis gunneri
Amphicteis midas
Amphicteis sundevalli
Amphitrite cirrata
Amphitritides gracilis
Amythasides macroglossus
Anobothrus gracilis
Artacama proboscidea
Axionice maculata
Eclysippe vanelli
Eupolymnia nebulosa
Eupolymnia nesidensis
Hauchiella tribullata
Hypania invalida
Lanassa venusta
Lanice conchilega
Lysilla loveni
Lysippe labiata
Lysippides fragilis
Melinna cristata
Melinna elisabethae
Mugga wahrbergi
Neoamphitrite affinis
Neoamphitrite figulus
Neoamphitrite grayi
Neoamphitrite groenlandica
Nicolea venustula
Nicolea zostericola
Octobranchus floriceps
Paramphitrite tetrabranchia
Pectinaria auricoma
Pectinaria belgica
Pectinaria granulata
Pectinaria hyperborea
Pectinaria koreni
Petta pusilla
Pista cristata
Pistella lornensis
Polycirrus arcticus
Polycirrus aurantiacus
Polycirrus caliendrum
Polycirrus latidens
Polycirrus medusa
Polycirrus norvegicus
Polycirrus plumosus
Proclea graffii
Sabellides borealis
Sabellides octocirrata
Samytha sexcirrata
Sosane sulcata
Sosanopsis wireni
Streblosoma bairdi
Streblosoma intestinale
Terebellides stroemi
Thelepus cincinnatus
Trichobranchus glacialis
Trichobranchus roseus