Inspect mitochondrial genomes across annelid species, with assembly status and topology information.
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Select mitochondrial genome rows to download assembly metadata directly.
| Class | Order | Family | Updated Clade 6 | Updated Clade 5 | Updated Clade 4 | Updated Clade 3 | Updated Clade 2 | Updated Clade 1 | Species | Length (bp) | Topology | Genbank | RefSeq | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clitellata | Acanthobdellida | - | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Acanthobdella peledina | 18528 | Circular | MZ562997.1 | NC_063475.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Alaysia spiralis | 15040 | Circular | ON929998.1 | NC_082192.1 | |
| Clitellata | Rhynchobdellida | Glossiphoniidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Alboglossiphonia lata | 15227 | Circular | OQ076765.1 | NC_072218.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Alitta succinea | 15409 | Circular | MN812981.1 | NC_051993.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas aspergillum | 15115 | Circular | KJ830749.1 | NC_025292.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas carnosus | 15160 | Circular | KT429008.1 | NC_029863.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas corticis | 15126 | Circular | KM199290.1 | NC_027832.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas cucullatus | 15122 | Circular | KT429012.1 | NC_029866.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas deogyusanensis | 15257 | Circular | OK558822.1 | NC_065012.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas gracilis | 15161 | Circular | KP688582.1 | NC_027258.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas hupeiensis | 15069 | Circular | KT429009.1 | NC_029864.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas jiriensis | 15151 | Circular | KT783537.1 | NC_029879.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas longisiphonus | 15176 | Circular | KM199289.1 | NC_027831.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas moniliatus | 15133 | Circular | KT429020.1 | NC_029872.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas morrisi | 15026 | Circular | KT429011.1 | NC_029865.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas pectiniferus | 15188 | Circular | KT429018.1 | NC_029870.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas robustus | 15013 | Circular | KT429019.1 | NC_029871.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas seungpanensis | 15085 | Circular | OL321943.1 | NC_063588.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Amynthas triastriatus | 15160 | Circular | KT429016.1 | NC_029868.1 | |
| Polychaeta | Phyllodocida | Antonbruunidae | Polychaeta | Errantia | Phyllodocida | - | - | Antonbruunidae+ | Antonbruunia milenae | 17540 | Circular | OR123446.1 | NC_087808.1 | |
| Polychaeta | Phyllodocida | Aphroditidae | Polychaeta | Errantia | Phyllodocida | - | Aphroditiformia | Aphroditidae | Aphrodita australis | 15288 | Circular | MN334532.1 | NC_046790.1 | |
| Clitellata | Crassiclitellata | Lumbricidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Aporrectodea caliginosa | 15089 | Circular | OL840316.1 | NC_066400.1 | |
| Clitellata | Crassiclitellata | Lumbricidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Aporrectodea rosea | 15086 | Circular | MK573632.1 | NC_046733.1 | |
| Clitellata | Crassiclitellata | Lumbricidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Aporrectodea trapezoides | 14998 | Circular | OM687882.1 | NC_066720.1 | |
| Clitellata | Crassiclitellata | Lumbricidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Aporrectodea tuberculata | 15125 | Circular | OM687883.1 | NC_066721.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Arcovestia ivanovi | 14953 | Circular | ON930000.1 | NC_082193.1 | |
| Polychaeta | - | Maldanidae | Polychaeta | Sedentaria | Canalipalpata | Terebellida | Maldanomorpha | Maldanidae | Asychis amphiglyptus | 15918 | Circular | ON360997.1 | NC_069297.1 | |
| Clitellata | Rhynchobdellida | Glossiphoniidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Baicaloclepsis echinulata | 15120 | Circular | OM257165.1 | NC_069206.1 | |
| Clitellata | Rhynchobdellida | Glossiphoniidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Baicaloclepsis grubei | 14751 | Circular | OM257166.1 | NC_069207.1 | |
| Clitellata | Hirudinida | Salifidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Barbronia weberi | 14888 | Circular | OQ076771.1 | NC_072222.1 | |
| Clitellata | Hirudinida | Salifidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Barbronia yunnanensis | 15092 | Circular | OQ076772.1 | NC_072223.1 | |
| Clitellata | Rhynchobdellida | Glossiphoniidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Batracobdella cancricola | 15309 | Circular | OQ076769.1 | NC_072220.1 | |
| Polychaeta | Phyllodocida | Polynoidae | Polychaeta | Errantia | Phyllodocida | - | Aphroditiformia | Polynoidae | Branchipolynoe onnuriensis | 16272 | Circular | MZ457523.1 | NC_064376.1 | |
| Polychaeta | Phyllodocida | Polynoidae | Polychaeta | Errantia | Phyllodocida | - | Aphroditiformia | Polynoidae | Branchipolynoe segonzaci | 15755 | Circular | OK136373.1 | NC_062818.1 | |
| Clitellata | Hirudinida | Piscicolidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Calliobdella nodulifera | 16972 | Circular | ON312494.1 | NC_064338.1 | |
| Polychaeta | - | Chaetopteridae | Chaetopteriformia | - | - | - | - | - | Chaetopterus variopedatus | 16143 | Circular | KT726958.1 | NC_028710.1 | |
| Polychaeta | Phyllodocida | Chrysopetalidae | Polychaeta | Errantia | Phyllodocida | - | Hesionoidea | Chrysopetalidae | Chrysopetalum debile | 16295 | Circular | MZ506670.1 | NC_060816.1 | |
| Polychaeta | Terebellida | Cirratulidae | Polychaeta | Sedentaria | Canalipalpata | Terebellida | Cirratulida | Cirratulidae | Cirriformia cf. tentaculata HK-2018 | 15495 | Circular | MG267394.1 | NC_037390.1 | |
| Polychaeta | Phyllodocida | Syllidae | Polychaeta | Errantia | Phyllodocida | - | - | Syllidae | Clavisyllis tenjini | 15065 | Circular | OP627283.1 | NC_077651.1 | |
| Polychaeta | - | Maldanidae | Polychaeta | Sedentaria | Canalipalpata | Terebellida | Maldanomorpha | Maldanidae | Clymenella torquata | 15538 | Circular | AY741661.1 | NC_006321.1 | |
| Clitellata | Hirudinida | Piscicolidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Codonobdella sp. B45A | 14486 | Circular | MZ402497.1 | NC_065392.1 | |
| Polychaeta | Phyllodocida | Chrysopetalidae | Polychaeta | Errantia | Phyllodocida | - | Hesionoidea | Chrysopetalidae | Craseoschema thyasiricola | 15301 | Circular | MZ506669.1 | NC_060815.1 | |
| Polychaeta | Eunicida | Amphinomidae | Amphinomidae | - | - | - | - | - | Cryptonome barbada | 15013 | Circular | MG434670.1 | NC_037947.1 | |
| Clitellata | Crassiclitellata | Lumbricidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Dendrobaena veneta | 15475 | Circular | OQ763213.1 | NC_079968.1 | |
| Clitellata | Hirudinida | Hirudinidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Dinobdella ferox | 14538 | Circular | OQ076764.1 | NC_072217.1 | |
| Polychaeta | Eunicida | Onuphidae | Polychaeta | Errantia | Aciculata | Eunicida | Eunicoidea | Onuphidae | Diopatra cuprea | 15050 | Circular | MZ434957.1 | NC_058588.1 | |
| Clitellata | Moniligastrida | Moniligastridae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Drawida ghilarovi | 15080 | Circular | OL840312.1 | NC_066398.1 | |
| Clitellata | Moniligastrida | Moniligastridae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Drawida gisti | 14648 | Circular | MN539609.1 | NC_058285.1 | |
| Clitellata | Moniligastrida | Moniligastridae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Drawida japonica | 14648 | Circular | KM199288.1 | NC_028050.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Duplodicodrilus schmardae | 15156 | Circular | KT429015.1 | NC_029867.1 | |
| Clitellata | Crassiclitellata | Lumbricidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Eisenia andrei | 15714 | Circular | OK513069.1 | NC_065212.1 | |
| Clitellata | Crassiclitellata | Lumbricidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Eisenia fetida | 16560 | Circular | OK513070.1 | NC_065213.1 | |
| Clitellata | Crassiclitellata | Lumbricidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Eisenia nordenskioldi | 15290 | Circular | OL840314.1 | NC_066399.1 | |
| Clitellata | Enchytraeida | Enchytraeidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Enchytraeus irregularis | 15228 | Circular | OP381032.1 | NC_070077.1 | |
| Clitellata | Hirudinida | Erpobdellidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Erpobdella japonica | 14725 | Circular | MF358688.1 | NC_036150.1 | |
| Clitellata | Hirudinida | Erpobdellidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Erpobdella octoculata | 14407 | Circular | KC688270.1 | NC_023927.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Escarpia spicata | 15445 | Circular | KJ789161.1 | NC_026856.1 | |
| Polychaeta | Phyllodocida | Polynoidae | Polychaeta | Errantia | Phyllodocida | - | Aphroditiformia | Polynoidae | Eunoe nodosa | 15366 | Circular | MW557378.1 | NC_060302.1 | |
| Polychaeta | Phyllodocida | Syllidae | Polychaeta | Errantia | Phyllodocida | - | - | Syllidae | Eusyllis blomstrandi | 14712 | Circular | KX752423.1 | NC_031402.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Galathealinum brachiosum | 14779 | Circular | KJ789162.1 | NC_026857.1 | |
| Clitellata | Rhynchobdellida | Glossiphoniidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Glossiphonia complanata | 15468 | Circular | OM039422.1 | NC_069202.1 | |
| Polychaeta | Phyllodocida | Pilargidae | Polychaeta | Errantia | Phyllodocida | - | Nephtyiformia | Pilargidae | Glyphohesione klatti | 15490 | Circular | OR123443.1 | NC_087807.1 | |
| Polychaeta | Phyllodocida | Goniadidae | Polychaeta | Errantia | Phyllodocida | - | - | Goniadidae+ | Goniada japonica | 15327 | Circular | KP867019.1 | NC_026995.1 | |
| Clitellata | Hirudinida | Haemadipsidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Haemadipsa crenata | 14725 | Circular | MW711186.1 | NC_058234.1 | |
| Clitellata | Hirudinida | Haemadipsidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Haemadipsa hainana | 15800 | Circular | PP262132.1 | NC_087824.1 | |
| Clitellata | Hirudinida | Haemadipsidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Haemadipsa yanyuanensis | 14527 | Circular | OQ076770.1 | NC_072221.1 | |
| Polychaeta | Phyllodocida | Polynoidae | Polychaeta | Errantia | Phyllodocida | - | Aphroditiformia | Polynoidae | Harmothoe imbricata | 15694 | Circular | MK858187.1 | NC_081955.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Hediste diadroma | 15765 | Circular | KX499500.1 | NC_035507.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Hediste diversicolor | 15904 | Circular | MW377219.1 | NC_057074.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Hediste japonica | 15783 | Circular | MN876864.1 | NC_050679.1 | |
| Clitellata | Rhynchobdellida | Glossiphoniidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Helobdella europaea | 18661 | Circular | OP328301.1 | NC_072606.1 | |
| Clitellata | Hirudinida | Hirudinidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Hirudinaria manillensis | 14470 | Circular | KC688268.1 | NC_023925.1 | |
| Clitellata | Hirudinida | Hirudinidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Hirudo nipponia | 14414 | Circular | KC667144.1 | NC_023776.1 | |
| Polychaeta | Sabellida | Serpulidae | Polychaeta | Sedentaria | Canalipalpata | - | Sabellida | Sabellidae | Hydroides elegans | 22046 | Circular | OM415982.1 | NC_061743.1 | |
| Polychaeta | Phyllodocida | Polynoidae | Polychaeta | Errantia | Phyllodocida | - | Aphroditiformia | Polynoidae | Hyperhalosydna striata | 15226 | Circular | MW620990.1 | NC_063122.1 | |
| Polychaeta | Phyllodocida | Nautiliniellidae | Polychaeta | Errantia | Phyllodocida | - | - | Nautiliniellidae+ | Iheyomytilidicola lauensis | 15783 | Circular | MZ506668.1 | NC_060814.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Lamellibrachia barhami | 15019 | Circular | ON929997.1 | NC_082191.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Lamellibrachia columna | 15115 | Circular | ON929995.1 | NC_082190.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Lamellibrachia donwalshi | 14982 | Circular | ON929991.1 | NC_082189.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Lamellibrachia luymesi | 14991 | Circular | KJ789163.1 | NC_026858.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Lamellibrachia satsuma | 15037 | Circular | KP987801.1 | NC_027854.1 | |
| Polychaeta | Phyllodocida | Hesionidae | Polychaeta | Errantia | Phyllodocida | - | Hesionoidea | Hesionidae | Leocrates chinensis | 15601 | Circular | OP104125.1 | NC_066969.1 | |
| Polychaeta | Terebellida | Terebellidae | Polychaeta | Sedentaria | Canalipalpata | Terebellida | Terebelliformia | Terebellidae | Loimia medusa | 16023 | Circular | PP718025.1 | NC_088773.1 | |
| Clitellata | Lumbriculida | Lumbriculidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Lumbriculus variegatus | 15883 | Circular | OM062609.1 | NC_069204.1 | |
| Clitellata | Crassiclitellata | Lumbricidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Lumbricus terrestris | 14998 | Circular | U24570.1 | NC_001673.1 | |
| Polychaeta | Spionida | Magelonidae | Magelonidae | - | - | - | - | - | Magelona mirabilis | 15239 | Circular | KT726959.1 | NC_028711.1 | |
| Polychaeta | Sabellida | Fabriciidae | Polychaeta | Sedentaria | Canalipalpata | - | Sabellida | Fabriciidae | Manayunkia occidentalis | 15103 | Circular | MT662116.1 | NC_050262.1 | |
| Polychaeta | Eunicida | Eunicidae | Polychaeta | Errantia | Aciculata | Eunicida | Eunicoidea | Eunicidae | Marphysa sanguinea | 15159 | Circular | KF733802.1 | NC_023124.1 | |
| Polychaeta | Eunicida | Eunicidae | Polychaeta | Errantia | Aciculata | Eunicida | Eunicoidea | Eunicidae | Marphysa tamurai | 15163 | Circular | MG205526.1 | NC_037236.1 | |
| Polychaeta | Eunicida | Eunicidae | Polychaeta | Errantia | Aciculata | Eunicida | Eunicoidea | Eunicidae | Marphysa victori | 15891 | Circular | MZ052209.1 | NC_060759.1 | |
| Polychaeta | Terebellida | Melinnidae | Polychaeta | Sedentaria | Canalipalpata | Terebellida | Terebelliformia | Melinnidae | Melinna cristata | 15696 | Circular | MW542504.1 | NC_059817.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Metaphire californica | 15147 | Circular | KP688581.1 | NC_027257.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Metaphire guillelmi | 15174 | Circular | KT429017.1 | NC_029869.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Metaphire vulgaris | 15061 | Circular | KJ137279.1 | NC_023836.1 | |
| Polychaeta | Phyllodocida | Nephtyidae | Polychaeta | Errantia | Phyllodocida | - | Nephtyiformia | Nephtyidae | Micronephthys minuta | 16335 | Circular | OR123448.1 | NC_087810.1 | |
| Clitellata | Hirudinida | Erpobdellidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Mooreobdella quaternaria | 14964 | Circular | OQ076766.1 | NC_072219.1 | |
| Polychaeta | Phyllodocida | Syllidae | Polychaeta | Errantia | Phyllodocida | - | - | Syllidae | Myrianida brachycephala | 15032 | Circular | KX752424.1 | NC_031403.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Namalycastis abiuma | 15265 | Circular | KU351089.1 | NC_030040.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Neanthes glandicincta | 16126 | Circular | KY094478.1 | NC_035893.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Nectoneanthes multignatha | 15446 | Circular | ON960183.1 | NC_082301.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Nectoneanthes oxypoda | 15668 | Circular | OL782599.1 | NC_086458.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Nectoneanthes uchiwa | 15447 | Circular | ON960182.1 | NC_082300.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Nereis pelagica | 15764 | Circular | OL782598.1 | NC_086457.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Nereis zonata | 15757 | Circular | MT980928.1 | NC_053360.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Oasisia alvinae | 14849 | Circular | KJ789164.1 | NC_026859.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Oligobrachia dogieli | 16236 | Circular | OR804078.1 | NC_085348.1 | |
| Polychaeta | - | Orbiniidae | Polychaeta | Sedentaria | non-Canalipalpata | - | Orbiniida | Orbiniidae | Orbinia latreillii | 15558 | Circular | AY961084.1 | NC_007933.1 | |
| Polychaeta | Sabellida | Oweniidae | Oweniidae | - | - | - | - | - | Owenia fusiformis | 16204 | Circular | KT726960.1 | NC_028712.1 | |
| Clitellata | Hirudinida | Ozobranchidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Ozobranchus jantseanus | 14864 | Circular | KY861060.1 | NC_034807.1 | |
| Clitellata | Acanthobdellida | - | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Paracanthobdella livanowi | 15500 | Circular | OM117614.1 | NC_069205.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Paraescarpia echinospica | 15280 | Circular | MG462707.1 | NC_037085.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Paraleonnates uschakovi | 15540 | Circular | KX462988.1 | NC_032361.1 | |
| Polychaeta | Terebellida | Alvinellidae | Polychaeta | Sedentaria | Canalipalpata | Terebellida | Terebelliformia | Alvinellidae | Paralvinella palmiformis | 16386 | Circular | OL802212.1 | NC_064503.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Perinereis aibuhitensis | 15852 | Circular | KF611806.1 | NC_023943.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Perinereis camiguinoides | 15819 | Circular | ON611801.1 | NC_065094.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Perinereis cultrifera | 17056 | Circular | MN812983.1 | NC_051994.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Perinereis linea | 15853 | Circular | ON181586.1 | NC_063944.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Perinereis nuntia | 15824 | Circular | JX644015.1 | NC_020609.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Perinereis vancaurica | 15832 | Circular | ON611802.1 | NC_065095.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Perinereis wilsoni | 15817 | Circular | OR799520.1 | NC_085286.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Perionyx excavatus | 15083 | Circular | EF494507.1 | NC_009631.1 | |
| Polychaeta | - | Saccocirridae | Polychaeta | Errantia | Protodriliformia | - | - | Saccocirridae | Pharyngocirrus uchidai | 15415 | Circular | MT661609.1 | NC_052721.1 | |
| Sipuncula | Phascolosomatiformes | Phascolosomatidae | Sipuncula | - | - | - | - | - | Phascolosoma esculenta | 15494 | Circular | EF583817.1 | NC_012618.1 | |
| Sipuncula | Phascolosomatiformes | Phascolosomatidae | Sipuncula | - | - | - | - | - | Phascolosoma pacificum | 16039 | Circular | KU820989.1 | NC_031412.1 | |
| Sipuncula | Phascolosomatiformes | Phascolosomatidae | Sipuncula | - | - | - | - | - | Phascolosoma similis | 16237 | Circular | MN813482.1 | NC_049135.1 | |
| Polychaeta | Phyllodocida | Phyllodocidae | Polychaeta | Errantia | Phyllodocida | - | Phyllodociformia | Phyllodocidae | Phyllodoce medipapillata | 15741 | Circular | PP035857.1 | NC_087881.1 | |
| Polychaeta | Phyllodocida | Pilargidae | Polychaeta | Errantia | Phyllodocida | - | Nephtyiformia | Pilargidae | Pilargis verrucosa | 15131 | Circular | OR123439.1 | NC_087805.1 | |
| Polychaeta | Phyllodocida | Pilargidae | Polychaeta | Errantia | Phyllodocida | - | Nephtyiformia | Pilargidae | Pilargis wolfi | 15506 | Circular | OR123447.1 | NC_087809.1 | |
| Clitellata | Rhynchobdellida | Glossiphoniidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Placobdella lamothei | 15190 | Circular | LT159849.1 | NC_030269.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Platynereis bicanaliculata | 15868 | Circular | MN812984.1 | NC_051995.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Platynereis cf. australis PA-2020 | 16037 | Circular | MN830367.1 | NC_052845.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Platynereis dumerilii | 15619 | Circular | AF178678.1 | NC_000931.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Platynereis massiliensis | 17502 | Circular | MN812985.1 | NC_051996.1 | |
| Clitellata | Hirudinida | Hirudinidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Poecilobdella javanica | 15030 | Circular | MN542781.1 | NC_061323.1 | |
| Polychaeta | Spionida | Spionidae | Polychaeta | Sedentaria | Canalipalpata | - | Spionida | Spionidae | Polydora hoplura | 17707 | Circular | MZ584801.1 | NC_061377.1 | |
| Clitellata | Crassiclitellata | Glossoscolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Pontoscolex corethrurus | 14835 | Circular | KT988053.1 | NC_034783.1 | |
| Polychaeta | Sabellida | Sabellidae | Polychaeta | Sedentaria | Canalipalpata | - | Sabellida | Sabellidae | Pseudopotamilla reniformis | 16452 | Circular | OL687554.1 | NC_061913.1 | |
| Clitellata | Hirudinida | Piscicolidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Pterobdella arugamensis | 16161 | Circular | KY474378.1 | NC_035308.1 | |
| Polychaeta | Phyllodocida | Syllidae | Polychaeta | Errantia | Phyllodocida | - | - | Syllidae | Ramisyllis kingghidorahi | 16517 | Circular | MZ571475.1 | NC_065765.1 | |
| Polychaeta | Phyllodocida | Syllidae | Polychaeta | Errantia | Phyllodocida | - | - | Syllidae | Ramisyllis multicaudata | 15748 | Circular | KR534502.1 | NC_027699.1 | |
| Polychaeta | Spionida | Spionidae | Polychaeta | Sedentaria | Canalipalpata | - | Spionida | Spionidae | Rhynchospio aff. asiatica ZW-2021 | 17435 | Circular | OP288981.1 | NC_071875.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Ridgeia piscesae | 15002 | Circular | KJ872501.1 | NC_024653.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Riftia pachyptila | 14987 | Circular | KJ789166.1 | NC_026860.1 | |
| Polychaeta | Sabellida | Sabellidae | Polychaeta | Sedentaria | Canalipalpata | - | Sabellida | Sabellidae | Sabella spallanzanii | 15581 | Circular | MW002660.1 | NC_056279.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Sclerolinum brattstromi | 15383 | Circular | KJ789167.1 | NC_026855.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Seepiophila jonesi | 15092 | Circular | KJ789168.1 | NC_026861.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Siboglinum fiordicum | 19502 | Circular | KJ789170.1 | NC_026833.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Siboglinum plumosum | 15291 | Circular | OR551480.1 | NC_084115.1 | |
| Sipuncula | Golfingiida | Sipunculidae | Sipuncula | - | - | - | - | - | Siphonosoma cumanense | 15917 | Circular | MN813483.1 | NC_049136.1 | |
| Sipuncula | Golfingiida | Sipunculidae | Sipuncula | - | - | - | - | - | Sipunculus nudus | 15502 | Circular | FJ422961.1 | NC_011826.1 | |
| Polychaeta | Phyllodocida | Hesionidae | Polychaeta | Errantia | Phyllodocida | - | Hesionoidea | Hesionidae | Sirsoe methanicola | 17403 | Circular | OM914591.1 | NC_064058.1 | |
| Polychaeta | Sabellida | Serpulidae | Polychaeta | Sedentaria | Canalipalpata | - | Sabellida | Sabellidae | Spirobranchus giganteus | 22058 | Circular | KX156257.1 | NC_032055.1 | |
| Polychaeta | Terebellida | Sternaspidae | Polychaeta | Sedentaria | Canalipalpata | Terebellida | Sternaspida | Sternaspidae | Sternaspis chinensis | 15298 | Circular | ON156972.1 | NC_069058.1 | |
| Polychaeta | Terebellida | Sternaspidae | Polychaeta | Sedentaria | Canalipalpata | Terebellida | Sternaspida | Sternaspidae | Sternaspis liui | 15299 | Circular | ON156973.1 | NC_069059.1 | |
| Polychaeta | Terebellida | Sternaspidae | Polychaeta | Sedentaria | Canalipalpata | Terebellida | Sternaspida | Sternaspidae | Sternaspis sendalli | 15287 | Circular | ON193561.1 | NC_068907.1 | |
| Polychaeta | Phyllodocida | Microphthalmidae | Polychaeta | Errantia | Phyllodocida | - | - | Microphthalmidae | Struwela camposi | 15488 | Circular | PP035858.1 | NC_087882.1 | |
| Polychaeta | Phyllodocida | Pilargidae | Polychaeta | Errantia | Phyllodocida | - | Nephtyiformia | Pilargidae | Synelmis amoureuxi | 18460 | Circular | OR123442.1 | NC_087806.1 | |
| Polychaeta | Terebellida | Trichobranchidae | Polychaeta | Sedentaria | Canalipalpata | Terebellida | Terebelliformia | Trichobranchidae | Terebellides stroemii | 15755 | Circular | EU236701.1 | NC_011014.1 | |
| Polychaeta | Sabellida | Siboglinidae | Polychaeta | Sedentaria | Canalipalpata | - | - | Siboglinidae | Tevnia jerichonana | 14891 | Circular | KJ789172.1 | NC_026862.1 | |
| Polychaeta | Terebellida | Terebellidae | Polychaeta | Sedentaria | Canalipalpata | Terebellida | Terebelliformia | Terebellidae | Thelepus plagiostoma | 15628 | Circular | MW557377.1 | NC_060301.1 | |
| Clitellata | Rhynchobdellida | Glossiphoniidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Theromyzon tessulatum | 15913 | Circular | OM039423.1 | NC_069203.1 | |
| Polychaeta | Terebellida | Cirratulidae | Polychaeta | Sedentaria | Canalipalpata | Terebellida | Cirratulida | Cirratulidae | Timarete posteria | 15497 | Circular | MK105766.1 | NC_044092.1 | |
| Clitellata | Crassiclitellata | Megascolecidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Tonoscolex birmanicus | 15170 | Circular | KF425518.1 | NC_060488.1 | |
| Clitellata | Rhynchobdellida | Glossiphoniidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Torix tukubana | 14814 | Circular | OL779256.1 | NC_071182.1 | |
| Polychaeta | Phyllodocida | Nereididae | Polychaeta | Errantia | Phyllodocida | - | - | Nereididae | Tylorrhynchus heterochetus | 16106 | Circular | KM111507.1 | NC_025561.1 | |
| Polychaeta | Phyllodocida | Syllidae | Polychaeta | Errantia | Phyllodocida | - | - | Syllidae | Typosyllis antoni | 16897 | Circular | KX752426.1 | NC_031404.1 | |
| Polychaeta | Xenopneusta | Urechidae | Polychaeta | Sedentaria | Canalipalpata | - | Capitellida | Urechidae | Urechis caupo | 15113 | Circular | AY619711.1 | NC_006379.1 | |
| Polychaeta | Xenopneusta | Urechidae | Polychaeta | Sedentaria | Canalipalpata | - | Capitellida | Urechidae | Urechis unicinctus | 15761 | Circular | EF656365.1 | NC_012768.1 | |
| Clitellata | Hirudinida | Haemopidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Whitmania acranulata | 14462 | Circular | KC688271.1 | NC_023928.1 | |
| Clitellata | Hirudinida | Haemopidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Whitmania laevis | 14433 | Circular | KC688269.1 | NC_023926.1 | |
| Clitellata | Hirudinida | Haemopidae | Polychaeta | Sedentaria | Canalipalpata | Oligochaeta | - | Clitellata | Whitmania pigra | 14426 | Circular | EU304459.1 | NC_013569.1 | |
| Polychaeta | Spionida | Spionidae | Polychaeta | Sedentaria | Canalipalpata | - | Spionida | Spionidae | Scolelepis bonnieri | 15332 | Circular | OZ221968.1 | GCA_965119655.1 | |
| Polychaeta | Terebellida | Terebellidae | Polychaeta | Sedentaria | Canalipalpata | Terebellida | Terebelliformia | Terebellidae | Lanice conchilega | 15771 | Circular | OZ221965.1 | GCA_965119625.1 | |
| Polychaeta | Phyllodocida | Nephtyidae | Polychaeta | Errantia | Phyllodocida | - | Nephtyiformia | Nephtyidae | Nephtys caeca | 17214 | Circular | OZ220762.1 | GCA_965117105.1 | |
| Polychaeta | Phyllodocida | Nephtyidae | Polychaeta | Errantia | Phyllodocida | - | Nephtyiformia | Nephtyidae | Nephtys hombergii | 16496 | Circular | OZ221420.1 | GCA_965118265.1 | |
| Polychaeta | Phyllodocida | Nephtyidae | Polychaeta | Errantia | Phyllodocida | - | Nephtyiformia | Nephtyidae | Nephtys longosetosa | 17223 | Circular | OZ221421.1 | GCA_965118275.1 | |
| Polychaeta | - | Opheliidae | Polychaeta | Sedentaria | Canalipalpata | - | Capitellida | Opheliidae | Ophelia borealis | 17495 | Circular | OZ221966.1 | GCA_965119635.1 |