class

Polychaeta

Polychaeta is a class in the phylum Annelida. This database currently files 15,354 species under it, recorded across 3 countries.

Species filed: 15,354
Threatened: 0
Countries recorded: 3
With a free photo: 0%
Weight range: 99.5 g

What is in Polychaeta?

The 200 largest of 301 orders filed directly under this class.

Phyllodocida
sea mouse, ragworm, antarctic scale worm, methane ice worm …
5,315 species
Sabellida
giant tube worm, christmas tree worm, fan worm, fanworm …
2,220 species
Eunicida
bobbit worm, samoan palolo worm, opal worm, plumed worm …
2,032 species
Spionidae
bristleworm, pygospio worm, bee spionid, bristleworm …
722 species
Terebellidae
mason worm, strawberry worm, medusa worm, amphitrite …
681 species
Cirratulidae
redthreads, orange burrowing worm, black boring worm, bristleworm …
443 species
Maldanidae
jointworm, bambooworm, windmill worm, Abyssoclymene annularis …
286 species
Flabelligeridae
balloon worm, flabby bristle-worm, bristle cage worm, Annenkova mastigophora …
265 species
Amphinomida
green fireworm, fireworm, red-tipped fireworm, lined fireworm …
252 species
Capitellidae
gallery worm, red thread worm, club worm, bristleworm …
244 species
Ampharetidae
bristleworm, Abderos minotaurus, Adercodon pleijeli, Ampharana antarctica …
238 species
Orbiniidae
bristleworm, Berkeleya hyalina, Berkeleya rutilans, Berkeleyia abyssala …
202 species
Paraonidae
Acmira assimilis, Acmira horikoshii, Aedicira alisetosa, Aedicira foliata …
193 species
Echiuroidea
penis fish, green spoonworm, penis fish, spoonworm …
185 species
Opheliidae
snail opheliid, lagoon sandworm, sand bar worm, Ammotrypane filobranchiata …
181 species
Scalibregmatidae
Asclerocheilus abyssalis, Asclerocheilus acirratus, Asclerocheilus alaskaensis, Asclerocheilus alatus …
149 species
Trichobranchidae
Octobranchus antarcticus, Octobranchus floriceps, Octobranchus japonicus, Octobranchus lingulatus …
121 species
Arabellites
Arabellites acerbus, Arabellites acutidentatus, Arabellites adamsi, Arabellites alfredensis …
97 species
Chaetopteridae
parchment worm, glassy tubeworm, pigbutt worm, Chaetopterus aduncus …
86 species
Magelonidae
bristleworm, Dannychaeta tucolus, Magelona agoensis, Magelona alba …
84 species
Pectinariidae
trumpet worm, golden trumpet worm, trumpet worm, icecream cone worm …
78 species
Nerillidae
Afronerilla hartwigi, Aristonerilla brevis, Cirrinerilla sulcipalpata, Leptonerilla diatomeophaga …
67 species
Melinnidae
Isolda albula, Isolda armata, Isolda bipinnata, Isolda heterobranchiata …
58 species
Leodicites
Leodicites abbreviatus, Leodicites absolutus, Leodicites acclivis, Leodicites agostini …
56 species
Staurocephalites
Staurocephalites absimilis, Staurocephalites absis, Staurocephalites acutidentatus, Staurocephalites admirabilis …
50 species
Sternaspidae
bristle worm, dumbbell worm, Caulleryaspis chicosciencei, Caulleryaspis fauchaldi …
48 species
Acrocirridae
bombardier worm, southern acrocirrus, squidworm, shining bomber …
46 species
Travisiidae
Travisia amadoi, Travisia amoyanus, Travisia antarctica, Travisia araciae …
45 species
Protodrilidae
Astomus taenioides, Claudrilus corderoi, Claudrilus draco, Claudrilus flabelliger …
40 species
Nereidavus
Nereidavus admixtus, Nereidavus angulatus, Nereidavus angulosus, Nereidavus antiquus …
38 species
Aeolosomatidae
Aeolosoma arenicola, Aeolosoma aureum, Aeolosoma beddardi, Aeolosoma corderoi …
36 species
Paleoenonites
Paleoenonites accuratus, Paleoenonites acutus, Paleoenonites andaculus, Paleoenonites arcuatellus …
36 species
Poecilochaetidae
Poecilochaetus anterospinus, Poecilochaetus australis, Poecilochaetus bermudensis, Poecilochaetus bifurcatus …
33 species
Fauveliopsidae
Fauveliopsis adriatica, Fauveliopsis alacranensis, Fauveliopsis antri, Fauveliopsis armata …
32 species
Amage
Amage adspersa, Amage anops, Amage arieticornuta, Amage asiatica …
30 species
Cossuridae
Cossura abyssalis, Cossura aciculata, Cossura alba, Cossura bansei …
30 species
Orbiniella
Orbiniella abyssalis, Orbiniella aciculata, Orbiniella acsara, Orbiniella andeepia …
27 species
Arenicolidae
blow lugworm, lugworm, bloodworm, pacific lugworm …
25 species
Saccocirridae
Pharyngocirrus alanhongi, Pharyngocirrus archiboldi, Pharyngocirrus burchelli, Pharyngocirrus eroticus …
25 species
Longosomatidae
Heterospio africana, Heterospio alata, Heterospio angolana, Heterospio antonbruunae …
24 species
Ungulites
Ungulites aculeatus, Ungulites acutidactylus, Ungulites agglomeratus, Ungulites alcicornis …
24 species
Anisocerasites
Anisocerasites acanthophorus, Anisocerasites acicularis, Anisocerasites aciedentatus, Anisocerasites amplimarginatus …
22 species
Polygordiidae
Polygordius antarcticus, Polygordius appendiculatus, Polygordius arafura, Polygordius epitocus …
21 species
Diopatraites
Diopatraites abruptus, Diopatraites aequilaterus, Diopatraites alveatus, Diopatraites arctostriatus …
16 species
Trochochaetidae
Cherusca nitens, Trochochaeta ankeae, Trochochaeta carica, Trochochaeta chakara …
14 species
Amphisamytha
Amphisamytha bioculata, Amphisamytha carldarei, Amphisamytha collaris, Amphisamytha fauchaldi …
13 species
Parergodrilidae
Parergodrilus heideri, Stygocapitella americae, Stygocapitella australis, Stygocapitella berniei …
13 species
Alvinellidae
pompeii worm, Alvinella caudata, Paralvinella bactericola, Paralvinella dela …
12 species
Hyolithellus
Hyolithellus filiformis, Hyolithellus grandis, Hyolithellus isiticus, Hyolithellus kijanicus …
12 species
Questa
Questa bicirrata, Questa caudicirra, Questa ericnunezi, Questa ersei …
12 species
Spintheridae
Spinther alaskensis, Spinther arcticus, Spinther australiensis, Spinther bohnorum …
12 species
Marleneites
Marleneites arduus, Marleneites aureus, Marleneites constrictus, Marleneites elatus …
10 species
Nereites
Nereites affinis, Nereites cambrensis, Nereites dasiaeformis, Nereites gazolae …
10 species
Endomyzostomatidae
Endomyzostoma beardi, Endomyzostoma clarki, Endomyzostoma cryptopodium, Endomyzostoma deformator …
9 species
Lapworthella
Lapworthella annulata, Lapworthella fasciculata, Lapworthella filigrana, Lapworthella gezhongwuensis …
8 species
Psammodrilidae
Psammodrilus aedificator, Psammodrilus balanoglossoides, Psammodrilus curinigallettii, Psammodrilus didomenicoi …
8 species
Uncispionidae
Rhamphispio tridentata, Uncispio greenae, Uncispio hamata, Uncispio hartmanae …
8 species
Apistobranchidae
Apistobranchus fragmentata, Apistobranchus glacierae, Apistobranchus jasoni, Apistobranchus ornatus …
7 species
Asteriomyzostomidae
Asteriomyzostomum asteriae, Asteriomyzostomum fisheri, Asteriomyzostomum hercules, Asteriomyzostomum jinshou …
7 species
Hyalinaecites
Hyalinaecites aequidentatus, Hyalinaecites aureatus, Hyalinaecites delectus, Hyalinaecites parvus …
7 species
Marphysaites
7 species
Caulostrepsis
6 species
Protomyzostomidae
6 species
Aberrantidae
5 species
Anabarites
5 species
Lunoprionella
5 species
Nothrites
5 species
Omasaria
5 species
Tibikoia
5 species
Drilonereisites
4 species
Hypania
4 species
Maeandropolydora
4 species
Pulvinomyzostomidae
4 species
Stauronereisites
4 species
Aricia
3 species
Diopatrichnus
3 species
Eenymeenymyzostomatidae
3 species
Glycerites
3 species
Grubianella
3 species
Leogenys
3 species
Onuphionella
3 species
Paraglycerites
3 species
Parapatraites
3 species
Sabellidites
3 species
Spirocavites
3 species
Annulitubus
2 species
Cloudina
2 species
Contramyzostoma
2 species
Hemicanalis
2 species
Hyolithes
2 species
Jereminella
2 species
Lapispecus
2 species
Martina
2 species
Microrbinia
2 species
Nerine
2 species
Noanelia
2 species
Orthoconorca
2 species
Paleonereites
2 species
Paliurus
2 species
Paradrilonereigenys
2 species
Pararenicola
2 species
Parasabellidites
2 species
Pedivillus
2 species
Pettibonella
2 species
Protodriloididae
2 species
Protopholoe
2 species
Pseudoethmonaria
2 species
Pseudorthotheca
2 species
Rhamphegenys
2 species
Scolaricia
2 species
Sinotubulites
2 species
Stelechopus
2 species
Torellella
2 species
Wiwaxia
2 species
Acerrotrupa
1 species
Anhuiella
1 species
Aonis
1 species
Apharyngtidae
1 species
Arachnostega
1 species
Archaeoprion
1 species
Arkonips
1 species
Asteromyzostomidae
1 species
Astreptoscolex
1 species
Baltichaeta
1 species
Binophorus
1 species
Brochosogenys
1 species
Bundenbachochaeta
1 species
Burgessochaeta
1 species
Campylites
1 species
Canadia
1 species
Caprascolex
1 species
Carbosesostris
1 species
Cheiridogenys
1 species
Crininicaminus
1 species
Crocancistrius
1 species
Cryptosiphon
1 species
Cubiculovinea
1 species
Cyclocirra
1 species
Didontogaster
1 species
Dinoscolites
1 species
Ditrupula
1 species
Dryptoscolex
1 species
Elleriprion
1 species
Eotomopteris
1 species
Ethmonaria
1 species
Eulalites
1 species
Ewaldips
1 species
Fastuoscolex
1 species
Flabetheca
1 species
Fletcheria
1 species
Fomitchella
1 species
Fossundecima
1 species
Glyphanostoma
1 species
Gotlandites
1 species
Guanshanchaeta
1 species
Hicetes
1 species
Himalayaia
1 species
Hindenites
1 species
Hobsonia
1 species
Homaphrodite
1 species
Huainanella
1 species
Hypaniola
1 species
Hystriciola
1 species
Indocera
1 species
Insolicorypha
1 species
Iubarenicola
1 species
Kalaminochaetidae
1 species
Keilorites
1 species
Kenostrychus
1 species
Kootenayscolex
1 species
Koslowskisyrinx
1 species
Kuanchuanpivermis
1 species
Laetmonectidae
1 species
Lanceolatites
1 species
Lepidenteron
1 species
Leucodore
1 species
Lophos
1 species
Maldeotaia
1 species
Manotes
1 species
Marlenites
1 species
Marywadea
1 species
Mazovermes
1 species
Melanoraphia
1 species
Menogenys
1 species
Meringosoma
1 species
Methanoaricia
1 species
Monocraterion
1 species
Myoscolex
1 species
Nereigenys
1 species
Nerinides
1 species
Oblongiprion
1 species
Ornatovinea
1 species
Palaeosabella
1 species
Palaeoscolex
1 species
Palaeotubus
1 species
Paleorhynchus
1 species
Paragnathites
1 species
Pararicia
1 species
Pedarites
1 species
Peronochaeta
1 species

Best-known members of Polychaeta

Ranked by popularity score.

Giant tube worm

Riftia pachyptila

Siboglinidae

Blow lugworm

Arenicola marina

Arenicolidae

Bobbit worm

Eunice aphroditois

EunicidaeNo free photo yet

Penis fish

Urechis unicinctus

UrechidaeNo free photo yet

Sea mouse

Aphrodita aculeata

AphroditidaeNo free photo yet

Christmas tree worm

Spirobranchus giganteus

SerpulidaeNo free photo yet

Pompeii worm

Alvinella pompejana

AlvinellidaeNo free photo yet

Green fireworm

Hermodice carunculata

AmphinomidaeNo free photo yet

Where is Polychaeta found?

Species on file in this class listed for each country. Checklist listings, which are incomplete for many species; not range maps.

None on record
2
3–9
10
11+

species per country · small islands are not drawn at this scale

The 200 best-known species in Polychaeta

Of 15,354 on file. Open this list in the browser to filter and sort it

Common name	Scientific name	Family	Status	Weight	Countries
Giant tube worm	Riftia pachyptila	Siboglinidae	Not recorded	Not recorded	Not recorded
Blow lugworm	Arenicola marina	Arenicolidae	Not recorded	99.5 g	Not recorded
Bobbit worm	Eunice aphroditois	Eunicidae	Not recorded	Not recorded	Not recorded
Penis fish	Urechis unicinctus	Urechidae	Not recorded	Not recorded	Not recorded
Sea mouse	Aphrodita aculeata	Aphroditidae	Not recorded	Not recorded	Not recorded
Christmas tree worm	Spirobranchus giganteus	Serpulidae	Not recorded	Not recorded	Not recorded
Pompeii worm	Alvinella pompejana	Alvinellidae	Not recorded	Not recorded	Not recorded
Green fireworm	Hermodice carunculata	Amphinomidae	Not recorded	Not recorded	Not recorded
Ragworm	Hediste diversicolor	Nereididae	Not recorded	Not recorded	Not recorded
Samoan palolo worm	Palola viridis	Eunicidae	Not recorded	Not recorded	Not recorded
Green spoonworm	Bonellia viridis	Bonelliidae	Not recorded	Not recorded	Not recorded
Antarctic scale worm	Eulagisca gigantea	Polynoidae	Not recorded	Not recorded	Not recorded
Fan worm	Sabella pavonina	Sabellidae	Not recorded	Not recorded	Not recorded
Fanworm	Sabella spallanzanii	Sabellidae	Not recorded	Not recorded	Not recorded
Penis fish	Urechis caupo	Urechidae	Not recorded	Not recorded	Not recorded
Methane ice worm	Sirsoe methanicola	Hesionidae	Not recorded	Not recorded	Not recorded
King rag	Alitta virens	Nereididae	Not recorded	Not recorded	Not recorded
Twin-fanworm	Bispira volutacornis	Sabellidae	Not recorded	Not recorded	Not recorded
Green worm	Eulalia viridis	Phyllodocidae	Not recorded	Not recorded	Not recorded
Comb-toothed nereid	Platynereis dumerilii	Nereididae	Not recorded	Not recorded	Not recorded
Tube worm	Ficopomatus enigmaticus	Serpulidae	Not recorded	Not recorded	Not recorded
Trumpet worm	Lagis koreni	Pectinariidae	Not recorded	Not recorded	Not recorded
Mason worm	Lanice conchilega	Terebellidae	Not recorded	Not recorded	Not recorded
Spotted leafworm	Phyllodoce maculata	Phyllodocidae	Not recorded	Not recorded	Not recorded
Smooth tubeworm	Protula tubularia	Serpulidae	Not recorded	Not recorded	Not recorded
Honeycomb worm	Sabellaria alveolata	Sabellariidae	Not recorded	Not recorded	Not recorded
Gallery worm	Capitella capitata	Capitellidae	Not recorded	Not recorded	Not recorded
Redthreads	Cirratulus cirratus	Cirratulidae	Not recorded	Not recorded	Not recorded
Bloodworm	Glycera dibranchiata	Glyceridae	Not recorded	Not recorded	Not recorded
Bristleworm	Polydora ciliata	Spionidae	Not recorded	Not recorded	Not recorded
Pygospio worm	Pygospio elegans	Spionidae	Not recorded	Not recorded	Not recorded
Sinistral spiral tubeworm	Spirorbis spirorbis	Serpulidae	Not recorded	Not recorded	Not recorded
Bristle worm	Sternaspis scutata	Sternaspidae	Not recorded	Not recorded	Not recorded
Bombardier worm	Swima bombiviridis	Acrocirridae	Not recorded	Not recorded	Not recorded
Lugworm	Arenicola cristata	Arenicolidae	Not recorded	Not recorded	Not recorded
Spoonworm	Echiurus echiurus	Echiuridae	Not recorded	Not recorded	Not recorded
Fireworm	Eurythoe complanata	Amphinomidae	Not recorded	Not recorded	Not recorded
Twelve-scaled worm	Lepidonotus squamatus	Polynoidae	Not recorded	Not recorded	Not recorded
Bone-eating snot flower worm	Osedax mucofloris	Siboglinidae	Not recorded	Not recorded	Not recorded
Fan worm	Serpula vermicularis	Serpulidae	Not recorded	Not recorded	Not recorded
Bee spionid	Spiophanes bombyx	Spionidae	Not recorded	Not recorded	Not recorded
Keelworm	Spirobranchus triqueter	Serpulidae	Not recorded	Not recorded	Not recorded
Southern sea mouse	Aphrodita australis	Aphroditidae	Not recorded	Not recorded	Not recorded
Parchment worm	Chaetopterus variopedatus	Chaetopteridae	Not recorded	Not recorded	Not recorded
Red-tipped fireworm	Chloeia viridis	Amphinomidae	Not recorded	Not recorded	Not recorded
Paddleworm	Eteone longa	Phyllodocidae	Not recorded	Not recorded	Not recorded
Polymorph feather-duster	Eudistylia polymorpha	Sabellidae	Not recorded	Not recorded	Not recorded
Strawberry worm	Eupolymnia nebulosa	Terebellidae	Not recorded	Not recorded	Not recorded
Coral worm	Filograna implexa	Serpulidae	Not recorded	Not recorded	Not recorded
Red thread worm	Heteromastus filiformis	Capitellidae	Not recorded	Not recorded	Not recorded
Calcareous tube worm	Hydroides elegans	Serpulidae	Not recorded	Not recorded	Not recorded
Slender ragworm	Nereis pelagica	Nereididae	Not recorded	Not recorded	Not recorded
Clam worm	Nereis vexillosa	Nereididae	Not recorded	Not recorded	Not recorded
Tubeworm	Owenia fusiformis	Oweniidae	Not recorded	Not recorded	Not recorded
Ross worm	Sabellaria spinulosa	Sabellariidae	Not recorded	Not recorded	Not recorded
Giant feather-duster worm	Sabellastarte magnifica	Sabellidae	Not recorded	Not recorded	Not recorded
Bristleworm	Scoloplos armiger	Orbiniidae	Not recorded	Not recorded	Not recorded
Bristleworm	Spio filicornis	Spionidae	Not recorded	Not recorded	Not recorded
Sea-mouse	Aphrodita alta	Aphroditidae	Not recorded	Not recorded	Not recorded
Bloodworm	Arenicola loveni	Arenicolidae	Not recorded	Not recorded	Not recorded
Emerald green paddle worm	Eulalia clavigera	Phyllodocidae	Not recorded	Not recorded	Not recorded
Giant scale worm	Eunoe nodosa	Polynoidae	Not recorded	Not recorded	Not recorded
Fifteen-scaled worm	Harmothoe imbricata	Polynoidae	Not recorded	Not recorded	Not recorded
Medusa worm	Loimia medusa	Terebellidae	Not recorded	Not recorded	Not recorded
White catworm	Nephtys cirrosa	Nephtyidae	Not recorded	Not recorded	Not recorded
Catworm	Nephtys hombergii	Nephtyidae	Not recorded	Not recorded	Not recorded
Club worm	Notomastus latericeus	Capitellidae	Not recorded	Not recorded	Not recorded
Ragworm	Perinereis cultrifera	Nereididae	Not recorded	Not recorded	Not recorded
Balloon worm	Poeobius meseres	Flabelligeridae	Not recorded	Not recorded	Not recorded
Mopworm	Protula bispiralis	Serpulidae	Not recorded	Not recorded	Not recorded
Blood-red tubeworm	Protula intestinum	Serpulidae	Not recorded	Not recorded	Not recorded
Indian feather duster worm	Sabellastarte spectabilis	Sabellidae	Not recorded	Not recorded	Not recorded
Boa worm	Sthenelais boa	Sigalionidae	Not recorded	Not recorded	Not recorded
Pacific lugworm	Abarenicola pacifica	Arenicolidae	Not recorded	Not recorded	Not recorded
Spoon worm	Achaetobonellia maculata	Bonelliidae	Not recorded	Not recorded	Not recorded
Golden trumpet worm	Amphictene auricoma	Pectinariidae	Not recorded	Not recorded	Not recorded
Amphitrite	Amphitrite ornata	Terebellidae	Not recorded	Not recorded	Not recorded
Split-crown feather duster	Anamobaea orstedii	Sabellidae	Not recorded	Not recorded	Not recorded
Opal worm	Arabella iricolor	Oenonidae	Not recorded	Not recorded	Not recorded
Cluster duster	Bispira brunnea	Sabellidae	Not recorded	Not recorded	Not recorded
Flame feather duster worm	Branchiomma luctuosum	Sabellidae	Not recorded	Not recorded	Not recorded
Orange burrowing worm	Cirriformia capensis	Cirratulidae	Not recorded	Not recorded	Not recorded
Plumed worm	Diopatra dentata	Onuphidae	Not recorded	Not recorded	Not recorded
Black boring worm	Dodecaceria pulchra	Cirratulidae	Not recorded	Not recorded	Not recorded
New Zealand paddle worm	Eulalia microphylla	Phyllodocidae	Not recorded	Not recorded	Not recorded
Flabby bristle-worm	Flabelligera affinis	Flabelligeridae	Not recorded	Not recorded	Not recorded
Eighteen-scaled worm	Halosydna brevisetosa	Polynoidae	Not recorded	Not recorded	Not recorded
Limy tubeworm	Hydroides dianthus	Serpulidae	Not recorded	Not recorded	Not recorded
Bristleworm	Magelona mirabilis	Magelonidae	Not recorded	Not recorded	Not recorded
Rock worm	Marphysa sanguinea	Eunicidae	Not recorded	Not recorded	Not recorded
Mud volcano worm	Maxmuelleria lankesteri	Bonelliidae	Not recorded	Not recorded	Not recorded
Cemented sandmason tubeworm	Neosabellaria cementarium	Sabellariidae	Not recorded	Not recorded	Not recorded
Bermuda fireworm	Odontosyllis enopla	Syllidae	Not recorded	Not recorded	Not recorded
Snail opheliid	Ophelia limacina	Opheliidae	Not recorded	Not recorded	Not recorded
Trumpet worm	Pectinaria gouldii	Pectinariidae	Not recorded	Not recorded	Not recorded
Lined fireworm	Pherecardia striata	Amphinomidae	Not recorded	Not recorded	Not recorded
Reefworm	Sabellaria vulgaris	Sabellariidae	Not recorded	Not recorded	Not recorded
Split-branch feather-duster	Schizobranchia insignis	Sabellidae	Not recorded	Not recorded	Not recorded
Haarwurm seticorn spio	Spio seticornis	Spionidae	Not recorded	Not recorded	Not recorded
Glassy tubeworm	Spiochaetopterus costarum	Chaetopteridae	Not recorded	Not recorded	Not recorded
Blue tube worm	Spirobranchus cariniferus	Serpulidae	Not recorded	Not recorded	Not recorded
Indo-Pacific Christmas tree worm	Spirobranchus corniculatus	Serpulidae	Not recorded	Not recorded	Not recorded
Four-tooth tubeworm	Spirobranchus tetraceros	Serpulidae	Not recorded	Not recorded	Not recorded
Burrow worm	Urechis chilensis	Urechidae	Not recorded	Not recorded	Not recorded
Bloodworm	Abarenicola gilchristi	Arenicolidae	Not recorded	Not recorded	Not recorded
Southern Acrocirrus	Acrocirrus trisectus	Acrocirridae	Not recorded	Not recorded	Not recorded
Gelatinous scaleworm	Alentia gelatinosa	Polynoidae	Not recorded	Not recorded	Not recorded
Bristleworm	Ampharete falcata	Ampharetidae	Not recorded	Not recorded	Not recorded
Bristleworm	Aphelochaeta marioni	Cirratulidae	Not recorded	Not recorded	Not recorded
Red-banded commensal scaleworm	Arctonoe vittata	Polynoidae	Not recorded	Not recorded	Not recorded
Slimy, redhead, bluey, bungum worm (only in South Australia)	Australonuphis parateres	Onuphidae	Not recorded	Not recorded	Not recorded
Shore feather duster worm	Branchiomma bombyx	Sabellidae	Not recorded	Not recorded	Not recorded
Black-spotted feather duster	Branchiomma nigromaculatum	Sabellidae	Not recorded	Not recorded	Not recorded
Red thread-gilled worm	Cirriformia tentaculata	Cirratulidae	Not recorded	Not recorded	Not recorded
Jointworm	Clymenella torquata	Maldanidae	Not recorded	Not recorded	Not recorded
Irregular calcareous tubeworm	Crucigera irregularis	Serpulidae	Not recorded	Not recorded	Not recorded
Yoke-bearer calcareous tubeworm	Crucigera zygophora	Serpulidae	Not recorded	Not recorded	Not recorded
Serrate Parthenope	Ctenodrilus serratus	Cirratulidae	Not recorded	Not recorded	Not recorded
Vancouver feather-duster	Eudistylia vancouveri	Sabellidae	Not recorded	Not recorded	Not recorded
Atlantic palolo worm	Eunice fucata	Eunicidae	Not recorded	Not recorded	Not recorded
Sydney coral	Galeolaria caespitosa	Serpulidae	Not recorded	Not recorded	Not recorded
Scarlet tubeworm	Galeolaria hystrix	Serpulidae	Not recorded	Not recorded	Not recorded
Club-spined scale worm	Gastrolepidia clavigera	Polynoidae	Not recorded	Not recorded	Not recorded
Thorny worm	Glycera americana	Glyceridae	Not recorded	Not recorded	Not recorded
Bristleworm	Hyalinoecia tubicola	Onuphidae	Not recorded	Not recorded	Not recorded
Many-scaled worm	Lepidametria commensalis	Polynoidae	Not recorded	Not recorded	Not recorded
Dark-marked scale worm	Lepidonotus melanogrammus	Polynoidae	Not recorded	Not recorded	Not recorded
Keyhole urchin spoon worm	Lissomyema mellita	Thalassematidae	Not recorded	Not recorded	Not recorded
Musselworm	Lysidice natalensis	Eunicidae	Not recorded	Not recorded	Not recorded
Bambooworm	Maldane sarsi	Maldanidae	Not recorded	Not recorded	Not recorded
Bristleworm	Mediomastus fragilis	Capitellidae	Not recorded	Not recorded	Not recorded
Green spoon worm	Metabonellia haswelli	Bonelliidae	Not recorded	Not recorded	Not recorded
Petite slime-tube feather-duster	Myxicola aesthetica	Sabellidae	Not recorded	Not recorded	Not recorded
Yellow fanworm	Notaulax occidentalis	Sabellidae	Not recorded	Not recorded	Not recorded
The Feisty Elvis worm	Peinaleopolynoe orphanae	Polynoidae	Not recorded	Not recorded	Not recorded
West Atlantic Sandcastle worm	Phragmatopoma caudata	Sabellariidae	Not recorded	Not recorded	Not recorded
Whip mudworm	Polydora cornuta	Spionidae	Not recorded	Not recorded	Not recorded
Star tubeworm	Pomatostegus stellatus	Serpulidae	Not recorded	Not recorded	Not recorded
Red-white-and-blue worm	Proceraea fasciata	Syllidae	Not recorded	Not recorded	Not recorded
Mussel worm	Pseudonereis variegata	Nereididae	Not recorded	Not recorded	Not recorded
Gregarious fanworm	Pseudopotamilla reniformis	Sabellidae	Not recorded	Not recorded	Not recorded
Lesser peacock worm	Sabella discifera	Sabellidae	Not recorded	Not recorded	Not recorded
Red tubeworm	Serpula columbiana	Serpulidae	Not recorded	Not recorded	Not recorded
Four-horned spio	Spio crenaticornis	Spionidae	Not recorded	Not recorded	Not recorded
Keelworm	Spirobranchus lamarcki	Serpulidae	Not recorded	Not recorded	Not recorded
Aegean tube worm	Spirobranchus polytrema	Serpulidae	Not recorded	Not recorded	Not recorded
California Christmas tree worm	Spirobranchus spinosus	Serpulidae	Not recorded	Not recorded	Not recorded
Squidworm	Teuthidodrilus samae	Acrocirridae	Not recorded	Not recorded	Not recorded
Plankton worm	Tomopteris helgolandica	Tomopteridae	Not recorded	Not recorded	Not recorded
Purple worm	Aglaophamus macroura	Nephtyidae	Not recorded	Not recorded	Not recorded
Johnston's ornate worm	Amphitrite figulus	Terebellidae	Not recorded	Not recorded	Not recorded
Milky scaleworm	Antinoe lactea	Polynoidae	Not recorded	Not recorded	Not recorded
Disheveled sea mouse	Aphrodita negligens	Aphroditidae	Not recorded	Not recorded	Not recorded
Frilled commensal scale worm	Arctonoe fragilis	Polynoidae	Not recorded	Not recorded	Not recorded
Red commensal scale worm	Arctonoe pulchra	Polynoidae	Not recorded	Not recorded	Not recorded
Black lug	Arenicola defodiens	Arenicolidae	Not recorded	Not recorded	Not recorded
Lagoon sandworm	Armandia cirrhosa	Opheliidae	Not recorded	Not recorded	Not recorded
Banded feather-duster worm	Bispira crassicornis	Sabellidae	Not recorded	Not recorded	Not recorded
Variegated fanworm	Bispira melanostigma	Sabellidae	Not recorded	Not recorded	Not recorded
Shell worm	Boccardia proboscidea	Spionidae	Not recorded	Not recorded	Not recorded
Minute feather-duster	Chone minuta	Sabellidae	Not recorded	Not recorded	Not recorded
Gilled nereid	Dendronereis arborifera	Nereididae	Not recorded	Not recorded	Not recorded
Ornate tubeworm	Diopatra ornata	Onuphidae	Not recorded	Not recorded	Not recorded
Candy-striped polychaete	Dorvillea moniloceras	Dorvilleidae	Not recorded	Not recorded	Not recorded
Atlantic palolo	Eunice schemacephala	Eunicidae	Not recorded	Not recorded	Not recorded
Oval orange worm	Euphrosine capensis	Euphrosinidae	Not recorded	Not recorded	Not recorded
Delicate tube worm	Filogranella elatensis	Serpulidae	Not recorded	Not recorded	Not recorded
Bristle cage worm	Flabelligera bicolor	Flabelligeridae	Not recorded	Not recorded	Not recorded
Coralworm	Gunnarea gaimardi	Sabellariidae	Not recorded	Not recorded	Not recorded
Leopard worm	Hesione pantherina	Hesionidae	Not recorded	Not recorded	Not recorded
Tentacled lagoon worm	Hypania romijni	Not recorded	Not recorded	Not recorded	Not recorded
Natal reef-worm	Idanthyrsus pennatus	Sabellariidae	Not recorded	Not recorded	Not recorded
Stone-cave sandmason tubeworm	Idanthyrsus saxicavus	Sabellariidae	Not recorded	Not recorded	Not recorded
Soda straw worm	Kinbergonuphis jenneri	Onuphidae	Not recorded	Not recorded	Not recorded
Devil worm	Lygdamis wirtzi	Sabellariidae	Not recorded	Not recorded	Not recorded
Brazilian spiral fanworm	Neodexiospira brasiliensis	Serpulidae	Not recorded	Not recorded	Not recorded
California sandworm	Nephtys californiensis	Nephtyidae	Not recorded	Not recorded	Not recorded
Sand bar worm	Ophelia denticulata	Opheliidae	Not recorded	Not recorded	Not recorded
Bat star worm	Oxydromus pugettensis	Hesionidae	Not recorded	Not recorded	Not recorded
Parasol feather-duster	Parasabella media	Sabellidae	Not recorded	Not recorded	Not recorded
Icecream cone worm	Pectinaria regalis	Pectinariidae	Not recorded	Not recorded	Not recorded
Green sand worm	Phyllodoce novaehollandiae	Phyllodocidae	Not recorded	Not recorded	Not recorded
Basket-top spaghetti worm	Pista elongata	Terebellidae	Not recorded	Not recorded	Not recorded
Fringed blood worm	Polycirrus eximius	Terebellidae	Not recorded	Not recorded	Not recorded
Windmill worm	Praxillura maculata	Maldanidae	Not recorded	Not recorded	Not recorded
Western calcareous tubeworm	Pseudochitinopoma occidentalis	Serpulidae	Not recorded	Not recorded	Not recorded
Coral worm	Salmacina dysteri	Serpulidae	Not recorded	Not recorded	Not recorded
Sea Frost	Salmacina huxleyi	Serpulidae	Not recorded	Not recorded	Not recorded
Fragile tube worm	Salmacina tribranchiata	Serpulidae	Not recorded	Not recorded	Not recorded
Sand chimney worm	Spio setosa	Spionidae	Not recorded	Not recorded	Not recorded
Gardiner's Christmas tree worm	Spirobranchus gardineri	Serpulidae	Not recorded	Not recorded	Not recorded
Ornate Christmas tree worm	Spirobranchus incrassatus	Serpulidae	Not recorded	Not recorded	Not recorded
Cape Tangleworm	Telothelepus capensis	Terebellidae	Not recorded	Not recorded	Not recorded
Capitella sp. i	Capitella teleta	Capitellidae	Not recorded	Not recorded	Not recorded
Pigbutt worm	Chaetopterus pugaporcinus	Chaetopteridae	Not recorded	Not recorded	Not recorded
Featherstar worm	Myzostoma fuscomaculatum	Myzostomatidae	Not recorded	Not recorded	Not recorded
Dumbbell worm	Sternaspis affinis	Sternaspidae	Not recorded	Not recorded	Not recorded
Giant Piling worm	Alitta brandti	Nereididae	Not recorded	Not recorded	Not recorded
Iskra’s glitter worm	Photinopolynoe iskrae	Polynoidae	Not recorded	Not recorded	Not recorded
Baja California Christmas tree worm	Spirobranchus minutus	Serpulidae	Not recorded	Not recorded	Not recorded