Megasyllis heterosetosa (Hartmann-Schröder, 1991)

Jimi, Naoto, 2024, The Polychaetous Annelids of Japan: Updated Checklist of Known Species, Species Diversity 29 (2), pp. 337-377 : 351-369

Megasyllis heterosetosa (Hartmann-Schröder, 1991) *

Ref: San Martín et al. (2014).

Megasyllis inflata ( Marenzeller, 1879) *

[JN: Hukuro-shirisu]

Remarks: San Martín et al. (2008) transferred this species from Eusyllis Malmgren, 1867 to Megasyllis San Martín, Hutchings, and Aguado, 2008 .

Megasyllis multiannulata ( Aguado, San Martín, and Nishi, 2008) *

Remarks: Aguado et al. (2008) described this species as Syllis multiannulata from Japan. San Martín et al. (2014) transferred this species to Megasyllis .

Megasyllis nipponica (Imajima, 1966) *

[JN: Midori-shirisu]

Remarks: San Martín et al. (2014) transferred this species to Megasyllis .

Myrianida dentalius (Imajima, 1966) *

[JN: Kassyoku-shirisu]

Remarks: Nygren (2004) transferred Autolytus (A.) dentalius Imajima, 1966 , A. irregularis Imajima and Hartman, 1965 , A. (A.) pentadentatus Imajima, 1966 , and A. (A.) spinoculatus Imajima, 1966 to Myrianida Milne Edwards, 1845 .

Myrianida irregularis (Imajima and Hartman, 1964) *

[JN: Karen-shirisu]

Remarks: See M. dentalius .

Myrianida pachycera (Augener, 1913)

[JN: Kakimoto-shirisu]

Myrianida pentadentatus (Imajima, 1966) *

[JN: Moto-shirisu]

Remarks: See M. dentalius .

Myrianida spinoculatus (Imajima, 1966) *

[JN: Toge-shirisu]

Remarks: See M. dentalius .

Nudisyllis tinihekea Knox and Cameron, 1970 *

Ref: Aguado et al. (2008).

Odontosyllis cucullata (McIntosh, 1908)

Odontosyllis detecta Augener, 1913

[JN: Akaguro-shirisu]

Odontosyllis fulgurans Imajima, 1966

[JN: Nanatsuha-shirisu]

Odontosyllis globulocirrata Hartmann-Schröder, 1981 *

Ref: Uchida (1988).

Odontosyllis hyalina Grube, 1878 *

Ref: Uchida (1988).

Odontosyllis maculata Uschakov, 1950

[JN: Ohaguro-shirisu]

Odontosyllis rubrofasciata Grube, 1878 *

[JN: Himo-shirisu]

Ref: Uchida (1988).

Odontosyllis setoensis Imajima, 1966

[JN: Seto-shirisu]

Odontosyllis trilineata Imajima, 2003

[JN: Kuha-shirisu]

Odontosyllis undecimdonta Imajima and Hartman, 1964

[JN: Kuroeri-shirisu]

Opisthodonta morena Hartmann-Schröder, 1960 *

Ref: Uchida (1988).

Opisthodonta uraga Imajima, 1966 *

[JN: Habahiro-shirisu] Opisthosyllis australis Augener, 1913 * Ref: Uchida (2002). Opisthosyllis brunnea Langerhans, 1879 [JN: Okuba-shirisu] Opisthosyllis corallicola Hartmann-Schröder, 1965 * Ref: Uchida (2008). Opisthosyllis japonica Imajima, 1966 [JN: Nihon-okuba-shirisu] Opisthosyllis longicirrata Monro, 1939 [JN: Higenagaokuba-shirisu] Opisthosyllis viridis Langerhans, 1879 [JN: Ibookuba-shirisy] Parasphaerosyllis ezoensis Imajima and Hartman, 1964 [JN: Ezohukuro-shirisu] Parasphaerosyllis indica Monro, 1937 * Ref: Uchida (1988). Parasphaerosyllis setoensis Imajima, 1966 [JN: Setohukuro-shirisu] Paraehlersia ehlersiaeformis (Augener, 1913) * Ref: Aguado et al. (2008). Paraehlersia ferrugina (Langerhans, 1881) * Ref: Uchida (1988). Paraproceraea tamana (Imajima, 1966) * [JN: Tamano-shirisu] Remarks: Nygren (2004) transferred this species from Autolytus Grube, 1850 to Paraproceraea Nygren, 2004 . Pinosyllis magnifica Moore, 1906 Ref : Uchida (1995). Proceraea boreata (Imajima, 1966) [JN: Kita-shirisu] Proceraea cornuta Agassiz, 1863 [JN: Maru-shirisu] Proceraea kiiensis (Imajima, 1966) [JN: Yosuji-shirisu] Proceraea longicirrata (Imajima, 1966) [JN: Nagahige-shirisu] Proceraea longiplappeta (Imajima, 1966) [JN: Nagamizo-shirisu] Proceraea misakiensis (Imajima, 1966) [JN: Tsuruhige-shirisu] Proceraea mukaishimensis (Imajima, 1966) [JN: Mukaishima-shirisu] Proceraea okadai (Imajima, 1966) [JN: Hutasuji-shirisu] Proceraea prismatica (Fabricius, 1780) [JN: Misuji-shirisu] Proceraea setoensis (Imajima, 1966) [JN: Mitsukado-shirisu] Proceraea vulgaria (Imajima, 1966) [JN: Nani-shirisu] Ramisyllis kingghidorahi Aguado, Ponz-Segrelles, Glasby, Ribeiro, Jimi, and Miura in Aguado, Ponz-Segrelles, Glasby, Ribeiro, Nakamura, Oguchi, Omori, Kohtsuka, Fischer, Ise, Jimi, and Miura, 2022 * [JN: Kingugidora-shirisu] Salvatoria clavata (Claparède, 1863) * [JN: Hosote-shirisu]

Remarks: San Martín and Nishi (2003) transferred this species from Syllis Lamarck, 1818 to Salvatoria McIntosh, 1885 . Sphaerosyllis capensis Day, 1953 *

Ref: Ohwada (1988).

Sphaerosyllis hirsuta Ehlers, 1897

Streptospinigera alternocirrus Ohwada, 1988 *

Syllides japonica Imajima, 1966

[JN: Jyuzu-shirisu]

Syllides papillosa Hartmann-Schröder, 1960 *

Ref: Uchida (1988).

Syllis amica Quatrefages, 1865

[JN: Hitoge-shirisu]

Syllis armillaris (O. F. Müller, 1771) *

Ref: Aguado et al. (2008).

Syllis cornuta (Rathke, 1843)

[JN: Kenaga-shirisu]

Syllis exiliformis Imajima, 2003

[JN: Kagitsume-shirisu]

Syllis fasciata (Malmgern, 1867)

[JN: Mono-shirisu]

Syllis gracilis Grube, 1840

[JN: Hutamata-shirisu]

Syllis japonica Imajima, 1966

[JN: Nihon-kenaga-shirisu]

Syllis marugani Aguado, San Martín, and Nishi, 2006 * Syllis pectinans Haswell, 1920 *

Ref: Aguado et al. (2008).

Syllis pigmentata ( Chamberlin, 1919) *

[JN: Mono-shirisu]

Ref: Aguado et al. (2008).

Syllis pilosa Aguado, San Martín, and Nishi, 2008 *

Syllis ramosa McIntosh, 1879

[JN: Karakusa-shirisu]

Syllis rosea (Langerhans, 1879)

[JN: Okute-kenaga-shirisu]

Syllis rubicunda Aguado, San Martín, and Nishi, 2008 * Trypanedenta gemmipara (Johnson, 1901)

[JN: Misaki-shirisu]

Trypanedenta taeniaformis (Haswell, 1866)

[JN: Shima-shirisu]

Trypanobia asterobia (Okada, 1933)

[JN: Sunahitode-shirisu]

Trypanobia depressa (Augener, 1913)

[JN: Kuroshima-shirisu]

Trypanobia foliosa Imajima, 2003

[JN: Konoha-shirisu]

Trypanosyllis (Trypanosyllis) coeliaca nipponica Imajima and Hartman, 1964

[JN: Hirahime-shirisu]

Typosyllis aciculata Treadwell, 1945 *

Ref: Mukai (2006).

Typosyllis aciculata orientalis Imajima and Hartman, 1964 [JN: Kasuri-shirisu]

Typosyllis adamanteus kurilensis Chlebovitsch, 1959 [JN: Shiromadara-shirisu]

Typosyllis alternata (Moore, 1908)

[JN: Moore-shirisu]

Typosyllis armillaris (O. F. Müller, 1771)

Typosyllis cornuta (Rathke, 1843) Typosyllis ehlersioides Marenzeller, 1890 [JN: Ehler-shirisu] Typosyllis hyalina (Grube, 1863) [JN: Hutoakasuji-shirisu] Typosyllis lunaris Imajima, 1966 [JN: Buchi-shirisu] Typosyllis maculata Imajima, 1966 [JN: Kurohushi-shirisu] Typosyllis monilata Imajima, 1966 [JN: Kurokubi-shirisu] Typosyllis okadai (Fauvel, 1934) [JN: Okada-shirisu] Typosyllis prolifera (Krohn, 1852) [JN: Okabuto-shirisu] Typosyllis regulata Imajima, 1966 [JN: Onaji-shirisu] Typosyllis rosea (Langerhans, 1879) Typosyllis setoensis Imajima, 1966 [JN: Higebuto-shirisu] Typosyllis variegata (Grube, 1860) [JN: Tora-shirisu] Virchowia japonica (Imajima and Hartman, 1964) * [JN: Hutoude-shirisu] Remarks: Nygren (2004) transferred this species from Autosyllis Imajima and Hartman, 1964 to Virchowia Langerhans, 1879 .

Tomopteridae Grube, 1850

Tomopteris (Johnstonella) apsteini Rosa, 1908

Tomopteris (J.) pacifica ( Izuka, 1914) *

[JN: Oyogigokai]

Remarks: Hartman (1959) synonymized T. elegans Chun, 1887 with T. (J.) pacifica .

Tomopteris septentrionalis Steenstrup, 1849

[JN: Onashi-oyogigokai]

Typhloscolecidae Uljanin, 1878

Sagitella kowalewskii Wagner, 1872

[JN: Yamushigokai]

Travisiopsis lobifera Levinsen, 1885 *

Ref: Uschakov (1957).

Typhloscolex muelleri Busch, 1851

Spintheridae Augener, 1913

Spinther ericinus Yamamoto and Imajima, 1985 [JN: Kita-hireashigokai]

Spinther japonicus Imajima and Hartman, 1964 [JN: Toge-hireashigokai]

Spinther sagamiensis Imajima, 2003

[JN: Sagami-hireashigokai]

Oenonidae Kinberg, 1865

Arabella iricolor (Montagu, 1904)

[JN: Seguroisome]

Arabella mutans ( Chamberlin, 1919) *

[JN: Monnashi-seguroisome]

Ref: Iwase et al. (1990).

Arabella zonata ( Moore, 1903)

Drilonereis falcata japonica Imajima, 1964

Drilonereis filum (Claparède, 1868)

Drilonereis robustus ( Moore, 1903)

Halla okudai Imajima, 1967

[JN: Akamushi]

Notocirrus japonicus (Okuda, 1939)

[JN: Harigu-isome]

Oenone fulgida (Savigny, 1818)

[JN: Hime-akamushi]

Dorvilleidae Chamberlin, 1919

Dorvillea matsushimaensis (Okuda, 1950)

[JN: Akasuji-isome]

Dorvillea rubrovittata (Grube, 1855)

[JN: Maruatama-isome]

Dorvillea similis (Crossland, 1924)

[JN: Oome-isome]

Iphitime doederleini Marenzeller, 1902

[JN: Mino-isome]

Remarks: Recent molecular phylogenetic studies indicated Iphitime Marenzeller, 1902 is congeneric with Ophryotrocha Claparède and Mecznikow, 1869 (e.g., Wiklund et al. 2009).

Ophryotrocha japonica Paxton and Åkesson, 2010 *

Ophryotrocha kagoshimaensis Miura, 1997 *

Ophryotrocha labronica pacifica Paxton and Åkesson, 2007 *

[JN: Agochibi-isome]

Remarks: Sudzuki and Sekiguchi (1972) reported this species from Japan as O. labronica La Greca and Bacci, 1962 without any establishment of subspecies. Subsequently, Paxton and Åkesson (2007) described this subspecies from Japan.

Ophryotrocha notoglandulata Pfannenstiel, 1972 *

Ophryotrocha urbis Jimi, Taru, and Imura, 2019 *

[JN: Namiuchi-komochi-koisome]

Ophryotrocha wubaolingi Miura, 1997 *

Papilliodorvillea australiensis ( McIntosh, 1885)

[JN: Minamikobuhana-isome]

Papillidorvillea gardineri (Crossland, 1924)

[JN: Kobuhana-isome]

Protodorvillea gracilis (Hartman, 1938)

Protodorvillea kefersteini Pettibone, 1961

[JN: Nagahige-isome]

Schistomeringos anoculata Jumars, 1974

[JN: Nagaude-isome]

Schistomeringos caeca (Webster and Benedict, 1884)

[JN: Jitte-isome]

Schistomeringos japonica (Annenkova, 1937)

[JN: Nihon-koisome]

Schistomeringos rudolphi (Delle Chiaje, 1828)

[JN: Rudolph-isome]

Eunicidae Berthold, 1827

Eunice aequabilis Grube, 1878

[JN: Huhen-isome]

Eunice afra Peters, 1854

[JN: Konbou-isome] Eunice afra paupera Grube, 1878

[JN: Okuteera-isome]

Eunice alata Miura, 1977

[JN: Alata-isome]

Eunice annulicirrata Miura, 1986

[JN: Jyuzuki-isome]

Eunice annulicornis Johnston, 1865 [JN: Jyuzukuro-isome]

Eunice antennata (Lamarck, 1818) [JN: Jyuzu-isome]

Eunice aphroditois (Pallas, 1788)

[JN: Oni-isome]

Eunice australis Quatrefages, 1866 [JN: Minami-isome]

Eunice congesta Marenzeller, 1879 Eunice curticirrus Knox, 1960

[JN: Akanamako-isome]

Eunice dilatata Grube, 1877

[JN: Chugata-isome]

Eunice fauchaldi Miura, 1986

[JN: Fauchald-isome]

Eunice fauveli Gravier, 1900

[JN: Hikari-isome]

Eunice flavopicta Izuka, 1912

[JN: Choboera-isome]

Eunice gracilicirrata (Treadwell, 1922) [JN: Nagaito-isome]

Eunice indica Kinberg, 1865

[JN: Yaribusuma]

Eunice japonica Fauchald, 1992

[JN: Hosomi-isome]

Eunice kobiensis McIntosh, 1885

[JN: Aka-isome]

Eunice laticeps Ehlers, 1868

[JN: Unmon-isome]

Eunice longicirris Grube, 1869

[JN: Chiriera-isome]

Eunice masudai Miura, 1986

[JN: Masuda-isome]

Eunice medicina Moore, 1903

[JN: Yabu-isome]

Eunice microprion Marenzeller, 1879 [JN: Nakaheri-isome]

Eunice mindanavensis McIntosh, 1885 [JN: Mindana-isome]

Eunice misakiensis (Miura, 1987)

[JN: Misaki-isome]

Eunice mucronata Moore, 1903

[JN: Kensaki-isome]

Eunice northioidea Moore, 1903

[JN: Oosezaki-isome]

Eunice n. brevibranchiata Miura, 1986 Eunice ovalifera Fauvel, 1936

Eunice palauensis Okuda, 1937

[JN: Kunojikuda-isome]

Eunice petersi Fauchald, 1992

[JN: Tosaka-isome]

Eunice profunda Miura, 1987

Eunice pusilla Imajima, 2001

[JN: Himeera-isome]

Eunice quinquifida Moore, 1903

[JN: Ohaguro-isome]

Eunice tanseiae Miura, 1986

[JN: Tansei-isome]

Eunice tibiana (Pourtalès, 1863)

Eunice torresiensis McIntosh, 1885

Eunice unibranchiata Imajima, 2006

[JN: Ichiera-isome]

Eunice vittata (Delle Chiaje, 1828)

[JN: Oshare-isome]

Eunice yamamotoi Miura, 1986

[JN: Yamamoto-isome]

Euniphysa spinea ( Miura, 1977)

[JN: Hhihumiera-isome]

Lysidice ninetta Audouin and Milne-Edwards, 1833

[JN: Shibori-isome]

Marphysa bifurcata Kott, 1951

[JN: Hutamata-iwamushi]

Marphysa depressa (Schmarda, 1861)

[JN: Hosonagaeramushi]

Marphysa macintoshi Crossland, 1903

[JN: Maru-iwamushi]

Marphysa mortenseni Monro, 1928

[JN: Mortenmushi]

Marphysa sanguinea (Montagu, 1815)

[JN: Iwamushi]

Remarks: Abe et al. (2019a) indicated that previous records of “ M. sanguinea ” from Japan are doubtful.

Marphysa tamurai Okuda, 1934

[JN: Tamura-isome]

Marphysa victori Lavesque, Daffe, Bonifácio, and Hutchings, 2017 *

Ref: Lavesque et al. (2020).

Nematonereis hebes Verrill, 1900

[JN: Hana-isome]

Nematonereis unicornis (Grube, 1840)

[JN: Hitomoto-isome]

Nicidion cariboea (Grube, 1865)

Nicidion cincta Kinberg, 1865

[JN: Higeera-isome]

Palola siciliensis (Grube, 1840)

[JN: Himo-isome]

Paucibranchia bellii (Audouin and Milne-Edwards, 1833) *

[JN: Momiagemushi]

Remarks: Molina-Acevedo (2018) transferred Marphysa bellii , M. conferta Moore, 1911 , M. kinbergi McIntosh, 1910 , and M. stragulum (Grube, 1878) to Paucibranchia Molina-Acevedo, 2018 .

Paucibranchia conferta (Moore, 1911) *

Remarks: See P. bellii .

Paucibranchia disjuncta (Hartman, 1961)

Paucibranchia kinbergi (McIntosh, 1910) *

[JN: Kinberumushi]

Remarks: See P. bellii .

Paucibranchia stragulum (Grube, 1878) *

Remarks: See P. bellii .

Hartmaniellidae Imajima, 1977 Hartmaniella erecta Imajima, 1977

Lumbrineridae Schmarda, 1861

Augeneria bidens (Ehlers, 1887)

[JN: Hutamata-giboshiisome]

Augeneria polytentaculata Imajima and Higuchi, 1975

[JN: Husa-giboshiisome]

Errano abyssicola ( Uschakov, 1950)

[JN: Ankoku-giboshiisome]

Errano bifrons Kinberg, 1865

[JN: Wasekagi-giboshiisome]

Errano bifurcata ( McIntosh, 1885)

[JN: Naga-ashi-giboshiisome]

Errano tosaensis Imajima, 2001

[JN: Tosa-giboshiisome]

Kuwaita heteropoda ( Marenzeller, 1879)

Lumbrinerides acutus japonicus Imajima, 1985

[JN: Tsukushi-giboshiisome]

Lumbrinerides dayi Perkins, 1979 *

[JN: Day-giboshiisome]

Remarks: Lumbrinerides hayashii Imajima, 1985 was synonymized with this species by Miura (2017).

Lumbrinerides kristiani Miura, 2017

Lumbrinerides shimodaensis Imajima, 1985 *

[JN: Shimoda-giboshiisome]

Remarks: Lumbrinerides bidentatus Imajima, 1985 and L. lineatus Imajima, 1895 in Imajima (2001) were identified as this species in Miura (2017).

Lumbrinerides tamaii Miura, 2017

Lumbrinerides yoshioi Miura, 2017

Lumbrineriopsis paucidentata Imajima, 2011

[JN: Araba-giboshiisome]

Lumbrineriopsis tsushimaensis Imajima and Higuchi, 1975

[JN: Tsushima-giboshiisome]

Lumbrineris amboinensis (Grube, 1877)

[JN: Ambon-giboshiisome]

Lumbrineris bifurcata ( McIntosh, 1885)

Lumbrineris brevicirra (Schmarda, 1861)

Lumbrineris flabellicola (Fage, 1936)

Lumbrineris higuchiae Carrera-Parra, 2006

Lumbrineris imajimai Carrera-Parra, 2006

Lumbrineris inflata Moore, 1911

[JN: Tama-giboshiisome]

Lumbrineris japonica ( Marenzeller, 1879)

[JN: Giboshiisome]

Lumbrineris latreilli (Audouin and Milne-Edwards, 1834)

[JN: Hutsu-giboshiisome]

Lumbrineris nishii Carrera-Parra, 2006

Lumbrineris sphaerocephala Imajima and Higuchi, 1975

[JN: Hutoashi-giboshiisome]

Lumbrineris tetraura (Schmarda, 1861)

Ninoe japonica Imajima and Higuchi, 1975

[JN: Nihon-era-giboshiisome]

Ninoe palmata Moore, 1903

[JN: Era-giboshiisome]

Paraninoe hartmanae Levenstein, 1973

Paraninoe simpla Moore, 1905

[JN: Shinkai-giboshiisome]

Scoletoma fragilis (O. F. Müller, 1776)

[JN: Habahiro-giboshiisome]

Scoletoma longifolia (Imajima and Higuchi, 1975)

[JN: Katamagari-giboshiisome]

Scoletoma nipponica (Imajima and Higuchi, 1975)

[JN: Koashi-giboshiisome]

Onuphidae Kinberg, 1865 Anchinothria cirrobranchiata ( Moore, 1903) [JN: Kushiera-isome] Anchinothria crassisetosa ( Chamberlin, 1919) [JN: Hitoera-isome] Anchinothria macrobranchiata ( McIntosh, 1885) [JN: Rasenera-isome] Anchinothria tosaensis Imajima, 1999 [JN: Tosa-isome] Diopatra nishii Paxton, 2015 * Diopatra sugokai Izuka, 1907 * [JN: Sugokai-isome] Remarks: Diopatra bilobata (Imajima, 1967) described from

Japan was synonymized with this species by Paxton (1998). Epidiopatra rugosa Kucheruk, 1979 [JN: Nise-sugokai] Hyalinoecia abranchiata Lechapt, 1997 [JN: Eranashi-isome] Hyalinoecia acuta Imajima, 1999 [JN: Hokosaki-isome] Hyalinoecia papillata Imajima, 1999 [JN: Tamasudare-isome] Hyalinoecia tubicola (O. F. Müller, 1776) [JN: Tsuno-isome] Kinbergonuphis bathyalis Kirkegaard, 1995 [JN: Naga-isome] Kinbergonuphis enoshimaensis Imajima, 1986 [JN: Enoshima-isome] Kinbergonuphis proalopus ( Chamberlin, 1919) [JN: Nagaera-isome] Longibrachium arariensis Nishi and Kato, 2009 * Nothria atlantica (Hartman, 1965) * Ref: Imajima and Takeda (1975). Nothria conchylega (M. Sars, 1835) Nothria grossa Imajima, 1989 [JN: Habahiro-isome] Nothria itoi Maekawa and Hayashi, 1989 [JN: Ito-isome] Nothria oblonga Imajima, 1999 [JN: Sasa-isome] Nothria otsuchiensis otsuchiensis Imajima, 1986 [JN: Otsuchi-isome] Nothria o. binoculata Maekawa and Hayashi, 1989 Nothria paxtonae Imajima, 1999 [JN: Paxton-isome] Onuphis amakusaensis Maekawa and Hayashi, 1999 [JN: Amakusa-isome] Onuphis eremita oculata Hartman, 1951 * Ref: Maekawa and Hayashi (1999). Onuphis e. parva Berkeley and Berkeley, 1941

[JN: Motonaga-isome]

Onuphis fuscata Imajima, 1986

[JN: Akasuji-isome]

Onuphis geophiliformis ( Moore, 1903)

[JN: Moore-isome]

Onuphis hokkaiensis Maekawa and Hayashi, 1999

[JN: Hokkai-isome]

Onuphis holobranchiata ( Marenzeller, 1879)

[JN: Kanabutsu-isome]

Onuphis imajimai Maekawa and Hayashi, 1999

[JN: Sakibuto-isome]

Onuphis iridescens (Johnson, 1901)

Onuphis iriei Maekawa and Hayashi, 1999

[JN: Irie-isome]

Onuphis kammurijimaensis Maekawa and Hayashi, 1999

[JN: Kanmuri-isome]

Onuphis longisetosa Imajima, 1986

[JN: Kenaga-isome]

Onuphis nakaoi Maekawa and Hayashi, 1999

[JN: Nakao-isome]

Onuphis nonpectinata Imajima, 1986

[JN: Kushinashi-isome]

Onuphis opalina (Verrill, 1873)

[JN: Hutsu-isome]

Onuphis rullieriana (Amoureux, 1977) *

Ref: Maekawa and Hayashi (1989).

Onuphis shijikiensis Maekawa and Hayashi, 1989

[JN: Shijiki-isome]

Onuphis shirikishinaiensis (Imajima, 1960)

[JN: Kita-isome]

Onuphis taraba Maekawa and Hayashi, 1989

[JN: Taraba-isome]

Onuphis tetradentata Imajima, 1986

[JN: Sanriku-isome]

Onuphis tosaensis Maekawa and Hayashi, 1999

[JN: Nangoku-isome]

Onuphis wakasaensis ( Maekawa and Hayashi, 1989)

[JN: Wakasa-isome]

Paradiopatra abyssalis ( Imajima, 1999) *

Remarks: This species was originally described by Imajima (1999) as Notonuphis abyssalis . Subsequently, Budaeva and Fauchald (2011) synonymized Notonuphis Kucheruk, 1978 with Paradiopatra Ehlers, 1887 .

Paradiopatra crassa Imajima, 1999

[JN: Hutokesaki-isome]

Paradiopatra glacilis Imajima, 2009

[JN: Hutokesaki-isome]

Paradiopatra okai Imajima, 1999

[JN: Oka-isome]

Paradiopatra pyricirra Budaeva and Fauchald, 2011 *

Ref: Budaeva and Fauchald (2011).

Paradiopatra simplex Imajima, 1999

[JN: Yajiri-isome]

Paradiopatra striata ( Uschakov, 1950)

[JN: Himo-isome]

Paradiopatra unica Imajima, 1999

[JN: Koumori-isome]

Paradiopatra yasudai ( Maekawa and Hayashi, 1989)

[JN: Yasuda-isome] Protodiopatra willemoesii ( McIntosh, 1885) [JN: Ibara-isome] Rhamphobrachium diversosetosum Monro, 1937 * Ref: Maekawa and Hayashi (1989). Rhamphobrachium (Spinigerium) brevibrachiatum (Ehlers,

1875) * [JN: Erakumade-isome] Remarks: Imajima (1999) synonymized R. brevicornuta

Moore, 1903 from Japan with this species. Rhamphobrachium (S.) hutchingsae Paxton, 1986 [JN: Kumade-isome]

Orbiniidae Hartman, 1942

Califia calida Hartman, 1957

Leitoscoloplos bifurcatus Day, 1977

Leitoscoloplos pugettensis (Pettibone, 1957)

[JN: Naga-hokomushi]

Naineris dendritica (Kinberg, 1867)

Naineris japonica Imajima, 2009

Naineris quadricuspida (Fabricius, 1780)

Naineris uncinata Hartman, 1957

Phylo felix Kinberg, 1866

Phylo fe. asiaticus Wu, 1962

Phylo fimbriatus ( Moore, 1903)

[JN: Yatsude-hokomushi]

Phylo nudus (Moore, 1911)

Protoariciella australiensis Hartmann-Schröder, 1981 * Ref: Uchida (2008).

Scoloplos armiger (O. F. Müller, 1776)

[JN: Yoroi-hokomushi]

Scoloplos a. alaskensis (Hartman, 1948) *

Ref: Imajima (1988).

Scoloplos similis Mackie, 1987

Scoloplos (Leodamas) robustus (Kinberg, 1866) Scoloplos (L.) rubra (Webster, 1879)

Paraonidae Cerruti, 1909

Aricidea (Acmira) catherinae Laubier, 1967 *

Ref: Imajima (2009).

Aricidea (A.) cerrutii pacifica Imajima, 1973

[JN: Konbou-himeeragokai]

Aricidea (A.) eximia Imajima, 1973

[JN: Sankaku-himeeragokai]

Aricidea (A.) foliata Imajima, 1973

[JN: Nagaera-himeeragokai]

Aricidea (A.) horikoshii Imajima, 1973

[JN: Horikoshi-himeeragokai]

Aricidea (A.) pacifica (Hartman, 1944)

[JN: Hukuro-himeeragokai]

Aricidea (A.) simplex Day, 1963

[JN: Bouzu-himeeragokai]

Aricidea (A.) trilobata Imajima, 1973

[JN: Kizami-himeeragokai]

Aricidea (A.) wassi Pettibone, 1965

Aricidea (Strelzovia) antennata Annenkova, 1934 *

[JN: Tsuruhige-himeeragokai]

Remarks: Aguirrezabalaga (2012) transferred this species to the subgenus Strelzovia Aguirrezabalaga, 2012 .

Aricidea (S.) belgicae ( Fauvel, 1936) *

[JN: Hukuro-himeeragokai]

Remarks: Aguirrezabalaga (2012) transferred this species to the subgenus Strelzovia .

Aricidea (S.) elongata Imajima, 1973 *

[JN: Nagaera-himeeragokai]

Remarks: Aguirrezabalaga (2012) replaced Allia Strelzov, 1973 with Strelzovia due to its junior homonym with the lepidopteran genus-group name Allia Walker, 1868 .

Aricidea (S.) hartleyi Blake, 1996

[JN: Komachi-himeeragokai]

Aricidea (S.) suecica Eliason, 1920 *

Remarks: Strelzov (1979) synonymized A. uschakowi Zachs, 1925 with this species.

Cirrophorus branchiatus Ehlers, 1908

[JN: Muchi-himeeragokai]

Cirrophorus miyakoensis Imajima, 1973

[JN: Miyako-himeeragokai]

Levinsenia gracilis (Tauber, 1879)

[JN: Ito-himeeragokai]

Levinsenia g. japonica Imajima, 1973

[JN: Togari-himeeragokai]

Paradoneis lyra (Southern, 1914)

[JN: Hutaeda-himeeragokai]

Paradoneis nipponica (Imajima, 1973)

[JN: Nihon-himeeragokai]

Apistobranchidae Mensnil and Caullery, 1898 Apistobranchus ornatus Hartman, 1965

[JN: Kazari-hagurumagokai]

Apistobranchus tullbergi (Théel, 1879)

[JN: Tosaka-hagurumagokai]

Longosomatidae Hartman, 1944 Heterospio longissima Ehlers, 1875

Poecilochaetidae Hannerz, 1956

Poecilochaetus bifurcatus Imajima, 1989

[JN: Hutamata-tokkurigokai]

Poecilochaetus clavatus Imajima, 1989

[JN: Kumade-tokkurigokai]

Poecilochaetus elongatus Imajima, 1989

[JN: Kazari-tokkurigokai]

Poecilochaetus granulatus Imajima, 1989

[JN: Kobu-tokkurigokai]

Poecilochaetus ishikariensis Imajima, 1989

[JN: Ishikari-tokkurigokai]

Poecilochaetus japonicus Kitamori, 1965

[JN: Nihon-tokkurigokai]

Poecilochaetus koshikiensis Miura, 1988

[JN: Koshiki-tokkurigokai]

Poecilochaetus magnus Imajima, 1989

[JN: Daimyou-tokkurigokai]

Poecilochaetus tokyoensis Imajima, 1989

[JN: Tokyo-tokkurigokai]

Poecilochaetus trilobatus Imajima, 1989

[JN: Nobori-tokkurigokai]

Poecilochaetus tropicus Okuda, 1935

[JN: Minami-tokkurigokai]

Spionidae Grube, 1850

Aonidella cirrobranchiata Day, 1961

Aonidella dayi Maciolek in López-Jamar, 1989

[JN: Heragata-supio]

Aonides oxycephala (M. Sars, 1862)

[JN: Kensaki-supio]

Atherospio aestuarii Abe and Kan, 2022 *

Boccardia perata (Khlebovich, 1959) *

Ref: Sato-Okoshi (2000).

Boccardia polybranchia (Haswell, 1885)

Boccardia proboscidea Hartman, 1940

[JN: Tokiwa-supio]

Boccardia pseudonatrix Day, 1961 *

Ref: Abe et al. (2019b) reported this species from Japan. This species is considered to be a potential alien species ( Abe et al. 2019b).

Boccardiella hamata (Webster, 1879)

[JN: Kaginote-supio]

Boccardiella ligerica (Ferribbuere, 1898)

Carazziella spongilla Sato-Okoshi, 1998 *

Carazziella reishi (Woodwick, 1964) *

Ref: Sato-Okoshi (1999).

Dipolydora alborectalis (Radashevsky, 1993) *

Ref: Sato-Okoshi (1999).

Dipolydora armata (Langerhans, 1880)

Dipolydora bidentata (Zachs, 1933) *

Ref: Sato-Okoshi et al. (1990).

Dipolydora cardalia (Berkeley, 1927) *

Ref: Sato-Okoshi (2000).

Dipolydora carunculata Radashevsky, 1993 *

Dipolydora concharum (Verrill, 1880) *

Ref: Mori et al. (1985).

Dipolydora flava orientalis (Imajima and Hartman, 1964)

Dipolydora giardi (Mesnil, 1896) *

Ref: Kojima and Imajima (1982).

Dipolydora socialis (Schmarda, 1861) *

Ref: Sato-Okoshi (2000).

Dipolydora trilobata (Radashevsky, 1993) *

Dispio oculata Imajima, 1990

[JN: Hotei-supio]

Dispio uncinata Hartman, 1951

[JN: Yajiri-supio]

Laonice cirrata (M. Sars, 1851)

Malacoceros indicus (Fauvel, 1928)

[JN: Tsuno-supio]

Microspio mecznikowianus (Claparède, 1869) *

Ref: Okuda (1937b).

Paraprionospio coora Wilson, 1990

[JN: Subesube-haneera-supio]

Paraprionospio cordifolia Yokoyama, 2007

[JN: Hukuro-haneera-supio]

Paraprionospio oceanensis Yokoyama, 2007

[JN: Sotoumi-haneera-supio]

Paraprionospio patiens Yokoyama, 2007

[JN: Shinobu-haneera-supio]

Polydora aura Sato-Okoshi, 1998 *

Polydora brevipalpa Zachs, 1933

Polydora cornuta Bosc, 1802 *

Ref: Sato-Okoshi (2000).

Polydora curiosa Radashevsky, 1994 *

Ref: Sato-Okoshi (1999).

Polydora glycymerica Radashevsky, 1993 *

Ref: Sato-Okoshi (1999).

Polydora hoplura Claparède, 1868 *

Remarks: Sato-Okoshi (1998) reported P. uncinata Sato-Okoshi, 1998 from Japan. Subsequently, Sato-Okoshi et al. (2017) synonymized P. uncinata with P. hoplura .

Polydora lingulicola Abe and Sato-Okoshi, 2020 *

Polydora neocaeca Williams and Radashevsky, 1999 *

Remarks: Malan et al. (2020) reported this species which previously identified as P. haswelli Blake and Kudenov, 1978 in Japan (e.g., Sato-Okoshi and Abe 2013).

Polydora onagawaensis Teramoto, Sato-Okoshi, Abe, Nishitani, and Endo, 2013 *

Polydora tunicola Abe, Hoshino, and Yamada in Abe, Hoshino, Yamada, Ogino, Kawaida, and Sato-Okoshi, 2022 *

[JN: Hoya-no-poridora]

Polydora websteri Hartman, 1943 *

Ref: Kojima and Imajima (1982).

Polydorella dawydoffi Radashevsky, 1996 *

Ref: Yamada and Hoshino (2014).

Prionospio (Aquilaspio) convexa Imajima, 1990

[JN: Bingata-supio]

Prionospio (A.) grossa Imajima, 1990

[JN: Tengu-supio]

Prionospio (A.) krusadensis Fauvel, 1929

[JN: Mitsubane-supio]

Prionospio (A.) sexoculata Augener, 1918

[JN: Hutaera-supio]

Prionospio (Minuspio) elegantula Imajima, 1990

[JN: Nagaera-supio]

Prionospio (M.) japonica Okuda, 1935

[JN: Yamato-supio]

Prionospio (M.) multibranchiata Berkeley, 1927

[JN: Magata-supio]

Prionospio (Minuspio) pulchra Imajima, 1990

[JN: Itoera-supio]

Prionospio anuncata Fauchald, 1972

[JN: Hitoeranaga-supio]

Prionospio aucklandica Augener, 1923 *

Ref: Nishi and Kupriyanova (2011).

Prionospio bocki Söderström, 1920

[JN: Sudare-supio]

Prionospio caspersi Laubier, 1962

[JN: Mimi-supio]

Prionospio dayi japonica ( Imajima, 1989)

[JN: Ita-supio]

Prionospio depauperata Imajima, 1990

[JN: Sodenaga-supio]

Prionospio dubia Day, 1961

[JN: Oka-supio]

Prionospio ehlersi Fauvel, 1928

[JN: Ehler-supio]

Prionospio lineata Imajima, 1990

[JN: Yakko-supio]

Prionospio membranacea Imajima, 1990

[JN: Eritate-supio]

Prionospio oshimensis Imajima, 1990

[JN: Oshima-supio]

Prionospio paradisea Imajima, 1990

[JN: Maku-supio]

Prionospio steenstrupi Malmgren, 1867

Prionospio tridentata Blake and Kudenov, 1978

[JN: Sankaku-supio]

Prionospio variegata Imajima, 1990

[JN: Beni-supio]

Pseudopolydora achaeta Radashevsky and Hsieh, 2000 *

[JN: Toraoni-supio]

Ref: Abe et al. (2016).

Pseudopolydora kempi japonica Imajima and Hartman, 1964

[JN: Dorooni-supio]

Pseudopolydora paucibranchiata (Okuda, 1937)

[JN: Kooni-supio]

Pseudopolydora tsubaki Simon, Sato-Okoshi, and Abe, 2017 *

Pseudopolydora ushioni Simon, Sato-Okoshi, and Abe, 2017 *

Rhynchospio foliosa Imajima, 1991

[JN: Hiroha-supio]

Rhynchospio glutaea (Ehlers, 1897)

[JN: Hige-supio]

Rhynchospio tuberculata Imajima, 1991

[JN: Shumoku-supio]

Scolelepis (Parascolelepis) geniculata Imajima, 1992

[JN: Koshiorimaku-supio]

Scolelepis (P.) texana Foster, 1971

[JN: Chigiremaku-supio]

Scolelepis (P.) yamaguchii (Imajima, 1959)

[JN: Yamaguchi-maku-supio]

Scolelepis (Scolelepis) branchia Imajima, 1992

[JN: Era-supio]

Scolelepis (S.) kudenovi Hartmann-Schröder, 1981

[JN: Togari-supio]

Scolelepis (S.) lefebvrei (Gravier, 1905)

[JN: Eboshi-supio]

Scolelepis (S.) lingulata Imajima, 1992

[JN: Shitadashi-supio]

Scolelepis (S.) planata Imajima, 1992

[JN: Hirata-supio]

Scolelepis (S.) sagittaria Imajima, 1992

[JN: Yamushi-supio]

Scolelepis (S.) variegata Imajima, 1992

[JN: Akaten-supio]

Spio arndti Meissner, Bick, and Bastrop, 2011 *

Ref: Abe et al. (2019c).

Spio blakei Maciolek, 1990 *

Remarks: Ohwada (1988) reported Sp. pacifica Blake and Kudenov, 1978 from Japan. Maciolek (1990) redescribed and replaced the name to Sp. blakei because the name was preoccupied by Sp. martinensis pacifica Berkeley, 1927 .

Spio borealis Okuda, 1937

[JN: Kita-supio]

Spio filicornis (O. F. Müller, 1776)

[JN: Madoka-supio]

Spio kurilensis Buzhinskaya, 1990 *

[JN: Chishima-supio]

Ref: Abe et al. (2019c).

Spio unidentata Chlebovitsch, 1959 *

[JN: Homura-supio]

Ref: Abe et al. (2019c).

Spiophanes berkeleyorum Pettibone, 1962 * Ref: Imajima and Takeda (1975).

Spiophanes bombyx (Claparède, 1870)

[JN: Eranashi-supio]

Spiophanes cirrata M. Sars, 1872

Spiophanes japonicum Imajima, 1991

[JN: Nihoneranashi-supio]

Spiophanes kroyeri Grube, 1860

[JN: Suzueranashi-supio]

Spiophanes wigleyi Pettibone, 1962

[JN: Tsuriganeeranashi-supio]

Streblospio benedicti japonica Imajima, 1990 [JN: Hosoeritate-supio]

Tripolydora spinosa Woodwick, 1964 *

Ref: Uchida (2008).

Trochochaetidae Pettibone, 1963

Remarks: Radashevsky et al. (2018) discussed about synonymization of Trochochaetidae with Spionidae .

Trochochaeta japonica Imajima, 1989

[JN: Nihon-tsumegokai]

Cirratulidae Ryckholt, 1851

Aphelochaeta monilaris (Hartman, 1960) *

Ref: Imajima (1994).

Aphelochaeta multifilis (Moore, 1909) *

Ref: Kawabe (1975).

Caulleriella apicula Blake, 1996 *

Ref: Yamada (2009).

Caulleriella hamata (Hartman, 1948) *

Ref: Imajima (2006).

Cirratulus cirratus (O. F. Müller, 1776)

[JN: Chigusa-mizuhiki]

Cirratulus longicephalus Imajima, 1964

Cirratulus robustus Johnson, 1901 *

Ref: Yamada (2009).

Cirriformia abyssalis Jimi, Fujiwara, and Kajihara, 2024 *

[JN: Hukaba-mizuhiki]

Cirriformia afer (Ehlers, 1908) *

Ref: Uchida (1968).

Cirriformia akiyoae Jimi, Fujiwara, and Kajihara, 2024 *

[JN: Akiyo-mizuhiki]

Cirriformia capensis (Schmarda, 1861) *

Ref: Imajima (1980).

Cirriformia comosa Marenzeller, 1879 *

[JN: Mizuhikigokai]

Remarks: Marenzeller (1879) described C. comosa from Japan. After Imajima and Hartman (1964b), the species was taxonomically confused and often misidentified with C. tentaculata (Montagu, 1808) (type locality: England) (e.g., Imajima 2006). Petersen (1999) considered C. comosa was valid without any reason. This confusion should be solved with examinations of type specimens of C. comosa and a topotype of C. tentaculata .

Cirriformia ogasawaraensis Jimi, Fujiwara, and Kajihara, 2024 *

[JN: Ogasawara-mizuhiki]

Cirriformia okudai Jimi, Fujiwara, and Kajihara, 2024 *

[JN: Iso-mizuhiki]

Cirriformia petersenae Jimi, Fujiwara, and Kajihara, 2024 *

[JN: Higata-mizuhiki]

Cirriformia posterotentaculata Jimi, Fujiwara, and Kajihara, 2024 *

[JN: Ushiro-mizuhiki]

Cirriformia ryukyuensis Jimi, Fujiwara, and Kajihara, 2024 *

[JN: Okinawa-mizuhiki]

Cirriformia satoi Jimi, Fujiwara, and Kajihara, 2024 *

[JN: Doro-mizuhiki]

Cirriformia saxatilis (Gravier, 1906)

Remarks: Imajima (1980) reported this species from Japan.

Cirriformia saxicola Jimi, Fujiwara, and Kajihara, 2024 *

[JN: Iwa-mizuhiki]

Cirriformia septentrionalis Jimi, Fujiwara, and Kajihara, 2024 *

[JN: Kita-mizuhiki]

Chaetozone abranchiata (Hansen, 1878)

Remarks: Moore (1903) reported this species from Japan.

Chaetozone setosa Malmgren, 1867

Chaetozone spinosa Moore, 1903

Ctenodrilus japonicus Jimi, Fujimoto, Fujiwara, Oguchi, and Miura, 2022 *

[JN: Nihon-kushiitogokai]

Ctenodrilus serratus (Schmidt, 1857) *

[JN: Kushiitogokai]

Ref: Sudzuki and Sekiguchi (1972).

Dodecaceria concharum Örsted, 1843 *

Ref: Imajima (1980).

Dodecaceria fistulicola Ehlers, 1901

Dodecaceria laddi Hartman, 1954 *

Ref: Uchida (2008).

Kirkegaardia annulosa (Hartman, 1965) *

Ref: Hayashi (1983).

Kirkegaardia tesselata (Hartman, 1960) *

Ref: Imajima (1997b).

Protocirrineris antarctica (Monro, 1930)

Protocirrineris chrysoderma (Claparède, 1868)

Raphidrilus misakiensis Jimi, Fujimoto, Fujiwara, Oguchi, and Miura, 2022 *

[JN: Misaki-era-kushiitogokai]

Raphidrilus okinawaensis Jimi, Fujimoto, Fujiwara, Oguchi, and Miura, 2022 *

[JN: Okinawa-era-kushiitogokai]

Raricirrus anubis Jimi, Fujimoto, Fujiwara, Oguchi , and

Miura, 2022 *

[JN: Hakamori-kushiitogokai]

Timarete dasylophia ( Marenzeller, 1879)

Timarete gibbosa ( Moore, 1903) *

Ref: Imajima (1988).

Timarete japonica Zachs, 1933 *

Timarete luxuriosa ( Moore, 1904) *

Remarks: Iwasaki et al. (2004) reported this species as an invasive species.

Timarete punctata (Grube, 1859) *

[JN: Madara-mizuhiki]

Ref: Iwase et al. (1990).

Cossuridae Day, 1963

Cossura coasta Kitamori, 1960

Cossura duplex Tamai, 1986

Cossura pygodactylata Jones, 1956

Fauveliopsidae Hartman, 1971 Fauveliopsis antri Jimi in Jimi, Fujimoto, Ogawa, Fujita,

Shigenobu, and Imura, 2020 * [JN: Doukutsu-yadokari-imomushi-gokai] Fauveliopsis challengeriae McIntosh, 1922 Fauveliopsis glabra (Hartman, 1960) Laubieriopsis brevis japonica Imajima, 2009 Laubieriopsis hartmanae ( Levenstein, 1970) Laubieriopsis soyoae Jimi in Jimi, Fujimoto, Ogawa,

Fujita, Shigenobu, and Imura, 2020 * [JN: Soyo-sube-imomushi-gokai] Laubieriopsis verrucosa Jimi, Hookabe, Fujimoto, Kise ,

Ogawa, and Tsuchiya, 2023 * [JN: Ibo-sube-imomushi-gokai]

Siboglinidae Caullery, 1914 *

Lamellibrachia columna Southward, 1991 *

[JN: Sagami-haorimushi]

Remarks: Kobayashi et al. (2015) described L. sagami Kobayashi, Miura, and Kojima, 2015 from Japan. McCowin et al. (2019) synonymized L. sagami with L. columna based on genetic evidences.

Lamellibrachia satsuma Miura, Tsukahara, and Hashimoto, 1997 *

[JN: Satsuma-haorimushi]

Oligobrachia mashikoi Imajima, 1973 *

[JN: Mashiko-higemushi]

Osedax japonicus Fujikura, Fujiwara, and Kawato, 2006 *

[JN: Honekuihanamushi]

Acrocirridae Banse, 1969

Acrocirrus heterochaetus Annenkova, 1934 *

Ref: Imajima (2009).

Acrocirrus muroranensis Okuda, 1934

[JN: Ezo-kumanoashitsuki]

Acrocirrus uchidai Okuda, 1934

Acrocirrus validus Marenzeller, 1879

[JN: Kumanoashitsuki]

Actaedrilus yanbarensis Jimi, Fujimoto, and Imura, 2020 * [JN: Chibi-kumanoasitsuki]

Flabelligeridae Saint-Joseph, 1894

Brada inhabilis (Rathke, 1843)

Brada kudenovi Salazar-Vallejo, 2017 *

[JN: Kudenov-zunguri-habouki]

Remarks: Jimi and Imura (2020) observed the single specimen of B. granulata Malmgren, 1867 sensu Imajima (2009) , and identified it as this species.

Bradabyssa nuda (Annenkova, 1922)

Bradabyssa ochotensis (Annenkova, 1922)

Bradabyssa sachalina (Annenkova, 1922)

Buskiella vitjasi (Buzhinskaja, 1977)

[JN: Shinkai-uneri-ukimushi]

Daylithos amamiensis Jimi, Fujita, and Woo, 2023 *

[JN: Amami-habouki]

Daylithos japonicus Jimi, Fujita, and Woo, 2023 *

[JN: Minami-habouki]

Remarks: Jimi et al. (2023) described this species and regarded “ Daylithos parmatus (Grube, 1877) ” from Japan as this species.

Daylithos sugashimaensis Jimi, Fujita, and Woo, 2023 *

[JN: Sugashima-habouki]

Diplocirrus asamushiensis Jimi, Fujiwara, and Kajihara, 2017 *

[JN: Asamushi-bouzu-habouki]

Diplocirrus imajimai Jimi, Fujiwara, and Kajihara, 2017 *

[JN: Imajima-bouzu-habouki]

Diplocirrus mamoi Jimi, Fujiwara, and Kajihara, 2017 *

[JN: Mamo-bouzu-habouki]

Diplocirrus nicolaji (Buzhinskaja, 1994) *

[JN: Bouzu-habouki]

Ref: Jimi et al. (2016).

Diplocirrus ohtsukai Jimi, Fujiwara, and Kajihara, 2017 *

[JN: Ohtsuka-bouzu-habouki]

Diplocirrus seisuiae Jimi, Fujiwara, and Kajihara, 2017 *

[JN: Seisui-bouzu-habouki]

Diplocirrus tohokuensis Jimi, Fujiwara, and Kajihara, 2017 *

[JN: Tohoku-bouzu-habouki]

Diplocirrus toyoshioae Jimi, Fujiwara, and Kajihara, 2017 *

[JN: Toyoshio-bouzu-habouki]

Lamispina ammophila Jimi and Kajihara, 2018 *

[JN: Suna-sasanoha-habouki]

Lamispina miurai Higashida, Jimi, and Kajihara, 2020 *

[JN: Miura-sasanoha-habouki]

Pherusa moorei Salazar-Vallejo, 2014 *

Pherusa nipponica Salazar-Vallejo, 2014 *

[JN: Haboukigokai]

Piromis suni Salazar-Vallejo, 2011 *

Poeobius meseres Heath, 1930

[JN: Ukinagamushi]

Semiodera nishii Salazar-Vallejo, 2012 *

Stylarioides longisetosa (Haswell, 1892)

Trophoniella hephaistos Jimi and Fujiwara, 2016 *

Sternaspidae Carus, 1863

Petersenaspis capillata (Nonato, 1966) *

[JN: Tsubutsubumarii-darumagokai]

Ref: Mukai and Miura (2016).

Petersenaspis palpallatoci Sendall and Salazar-Vallejo, 2013 *

[JN: Kubomimarii-darumagokai]

Ref: Mukai and Miura (2016).

Sternaspis affinis Stimpson, 1864 *

[JN: Gotaba-darumagokai]

Ref: Mukai and Miura (2016).

Sternaspis costata Marenzeller, 1879

[JN: Darumagokai]

Sternaspis islandica Malmgren, 1867 *

[JN: Kirekomi-darumagokai]

Ref: Mukai and Miura (2016).

Sternaspis scutata (Ranzani, 1817) *

[JN: Subesube-umidaruma]

Ref: Mukai and Miura (2016).

Sternaspis thalassemoides Otto, 1821 *

[JN: Tsubushiwa-umidaruma]

Ref: Mukai and Miura (2016).

Arenicolidae Johnston, 1835

Abarenicola claparedi oceanica (Healy and Wells, 1959) [JN: Bouzuiso-tamashikigokai]

Abarenicola pacifica Healy and Wells, 1959

[JN: Iso-tamashikigokai]

Arenicola brasiliensis Nonato, 1958

[JN: Tamashikigokai]

Arenicola cristata Stimpson, 1856

Branchiomaldane simplex (Berkeley and Berkeley, 1932) [JN: Hime-tamashikigokai]

Capitellidae Grube, 1862

Barantolla orientalis Yabe and Mawatari, 1998

[JN: Chouyou-itogokai]

Capitella capitata (Fabricius, 1780)

[JN: Nami-itogokai]

Capitella c. floridana Hartman, 1959

Capitella giardi (Mesnil, 1897)

Capitella jonesi ( Hartman, 1959)

[JN: Mitsui-itogokai]

Capitella minima Langerhans, 1880

[JN: Hime-itogokai]

Capitella teleta Blake, Grassle, and Eckelbarger, 2009 Capitellethus cinctus Thomassin, 1970

[JN: Madaraobi-itogokai]

Dasybranchus glabrus Moore, 1909

[JN: Bouzu-itogokai]

Dasybranchus lumbricoides Grube, 1878

[JN: Amigasa-itogokai]

Heteromastus filiformis (Claparède, 1864) Heteromastus similis Southern, 1921

[JN: Hoso-itogokai]

Heteromastus tohbaiensis Yabe and Mawatari, 1998 Leiocapitella glabra Hartman, 1947

[JN: Hartman-itogokai]

Leiochrides australis Augener, 1914

[JN: Zunguri-itogokai]

Leiochrides hemipodus Hartman, 1960 Mastobranchus uru Tomioka, Yoshida, and Kajihara, 2017 * Mastobranchus variabilis Ewing, 1984 Mediomastus californiensis Hartman, 1944 [JN: Obi-itogokai] Mediomastus duobalteus Tomioka, Nishi, and Kajihara, 2014 * Mediomastus hanedaensis Tomioka, Nishi, and Kajihara, 2014 * Mediomastus opertaculeus Tomioka, Hiruta, and Kajihara, 2013 * [JN: Tsumekakushi-itogokai] Mediomastus warrenae Green, 2002 [JN: Warren-itogokai] Neoheteromastus lineus Hartman, 1960 [JN: Hari-itogokai] Notomastus fauveli Day, 1961 [JN: Minami-itogokai] Notomastus hemipodus Hartman, 1945 Notomastus latericeus M. Sars, 1851 [JN: Shidare-itogokai] Notomastus torquatus Hutchings and Rainer, 1979 [JN: Hireashi-itogokai] Notomastus variegatus Berkeley and Berkeley, 1950 Parheteromastus tenuis Monro, 1937 [JN: Nihachi-itogokai] Pseudocapitella incerta Fauvel, 1913 [JN: Chinki-itogokai] Scyphoproctus gravieri Okuda, 1940

Maldanidae Malmgren, 1867

Asychis auritus Uschakov, 1950

[JN: Mimi-takehushigokai]

Asychis shaccotanus Uchida, 1968 *

Asychis tosaensis Imajima, 2001

[JN: Tosa-takehushigokai]

Axiothella quadrimaculata Augener, 1914

[JN: Rappa-takehushigokai]

Axiothella rubrocincta (Johnson, 1901)

[JN: Orochi-takehushigokai]

Chirimia biceps (M. Sars, 1861) *

[JN: Hutamizo-takehushigokai]

Remarks: Light (1991) transferred this species from Asychis Kinberg, 1867 to Chirimia Light, 1991 .

Clymenella collaris Imajima and Shiraki, 1982

[JN: Eri-takehushigokai]

Clymenella complanata Hartman, 1969

[JN: Nichirin-takehushigokai]

Clymenella enshuense Imajima and Shiraki, 1982

[JN: Enshu-takehushigokai]

Clymenella koellikeri ( McIntosh, 1885)

[JN: Hiroobi-takehushigokai]

Clymenopsis cingulata (Ehlers, 1887)

[JN: Hitoera-takehushigokai]

Clymenura aciculata Imajima and Shiraki, 1982 *

[JN: Kagitate-takehushigokai]

Remarks: Read (2011) concluded that subgeneric classification of Clymenura Verrill, 1900 by Imajima and Shiraki (1982) is unworkable, because the accuracy of the taxonomic characters used in Imajima and Shiraki (1982) is deemed to be unreliable. See Read (2011) for the detail explanation.

Clymenura columbiana Berkeley, 1929

[JN: Marutate-takehushigokai]

Clymenura lankesteri ( McIntosh, 1885)

[JN: Tate-takehushigokai]

Clymenura longicaudata Imajima and Shiraki, 1982

[JN: Hakamatate-takehushigokai]

Euclymene oerstedii (Claparède, 1863)

[JN: Jyougo-takehushi]

Euclymene uncinata Imajima and Shiraki, 1982

[JN: Zara-takehushigokai]

Isocirrus mirabilonga ( Moore, 1903)

Isocirrus planiceps (M. Sars, 1872)

[JN: Karakasa-takehushigokai]

Lumbriclymene japonica ( McIntosh, 1885)

[JN: Naga-takehushigokai]

Leiochone japonica ( Imajima and Shiraki, 1982) *

[JN: Nihon-tate-takehushigokai]

Remarks: Read (2011) transferred this species from Clymenura to Leiochone Grube, 1868 .

Maldane cristata Treadwell, 1923

[JN: Hoso-takehushigokai]

Maldane pigmentata ( Imajima and Shiraki, 1982)

[JN: Hyoumon-takehushi]

Maldanella harai (Izuka, 1902)

[JN: Hanabira-takehushigokai]

Maldanella niijimense Imajima and Shiraki, 1982

[JN: Niijima-takehushigokai]

Metasychis disparidentata ( Moore, 1904) *

[JN: Kutsugata-takehushigokai]

Metasychis gotoi (Izuka, 1902) *

[JN: Goto-takehushigokai]

Remarks: Light (1991) transferred this species from Asychis to Metasychis Light, 1991 .

Microclymene caudata Imajima and Shiraki, 1982

[JN: Hitomoto-takehushigokai]

Nicomache (Loxochona) quadrispinata Arwidsson, 1906

[JN: Yotsutoge-takehushigokai]

Nicomache (Nicomache) minor (Arwidsson, 1906)

[JN: Kita-takehushigokai]

Nicomache inornata Moore, 1903

Nicomache japonica McIntosh, 1885

Nicomache lumbricalis (Fabricius, 1780)

[JN: Uzumaki-takehushigokai]

Nicomache ohtai Miura and Hashimoto, 1991

[JN: Shinkai-takehushigokai]

Nicomache personata Johnson, 1901

[JN: Shirosuzi-takehushigokai]

Notoproctus pacificus (Moore, 1906)

[JN: Hirata-takehushigokai]

Petaloproctus borealis Arwidsson, 1906

[JN: Hiragutsu-takehushigokai]

Petaloproctus dentatus Imajima and Shiraki, 1982

[JN: Nokogiri-takehushigokai]

Praxillella affinis (M. Sars, 1872)

Praxillella challengeriae ( McIntosh, 1885) *

Ref: Moore (1903).

Praxillella gracilis (M. Sars, 1861)

[JN: Nagahana-takehushigokai]

Praxillella pacifica Berkeley, 1929

[JN: Nagao-takehushigokai]

Praxillella praetermissa (Malmgren, 1866)

[JN: Urizane-takehushigokai]

Praxillura tanseiana Imajima and Shiraki, 1982

[JN: Tora-takehushigokai]

Opheliidae Malmgren, 1867

Armandia amakusaensis Saito, Tamaki, and Imajima, 2001 *

[JN: Tsutsuo-ophelia]

Armandia lanceolata Willey, 1905

Armandia melanura Gravier, 1905 *

[JN: Kurojiri-ophelia]

Ref: Iwase et al. (1990).

Armandia simodaensis Takahashi, 1938

[JN: Gapen-ophelia]

Ophelia limacina (Rathke, 1843)

Ophelina acuminata Örsted, 1843 *

Remarks: Records of Ophelina aulogaster (Rathke, 1843) in Japan (e.g., Imajima and Hartman 1964b) were based on misidentification of this species.

Ophelina arctica (McIntosh, 1879) *

Ref: Imajima (2009).

Ophelina breviata (Ehlers, 1913) *

Ref: Imajima (2009).

Polyophthalmus pictus (Dujardin, 1839)

[JN: Kasuri-ophelia]

Thoracophelia arcticus Grube, 1866 *

[JN: Sakura-ophelia]

Remarks: KANSO (2018) listed this species as Euzonus articus Grube, 1866. Actually, however, Blake (2011) indicated Euzonus Grube, 1866 is a junior homonym of the diplopod Euzonus Menge, 1854 , and thus proposed Thorachophelia Blake, 2011 as a replacement name for Euzonus Grube.

Thoracophelia ezoensis ( Okuda, 1936) *

[JN: Ezo-ophelia]

Thoracophelia japonicus (Misaka and Sato, 2003) *

Thoracophelia minuta Jimi in Jimi, Fujimoto, Takehara, and Imura, 2021 *

Travisiidae Hartmann-Schröder, 1971

Travisia brevis Moore, 1903

Travisia forbesii Johnston, 1840 *

Ref: Levenstein (1970).

Travisia fusus ( Chamberlin, 1919) *

Ref: Levenstein (1973).

Travisia glandulosa McIntosh, 1879 *

Ref: Levenstein (1970).

Travisia japonica Fujiwara, 1933

[JN: Nippon-ophelia]

Travisia kerguelensis intermedia Annenkova, 1937 * Ref: Imajima (2001).

Travisia profundi Chamberlin, 1919 *

Ref: Levenstein (1970).

Travisia pupa Moore, 1906 *

Ref: Levenstein (1970).

Travisia sanrikuensis Kobayashi and Kojima, 2021 *

Scalibregmatidae Malmgren, 1867

Asclerochelius beringianus Uschakov, 1955 *

Ref: Imajima (2009).

Hyboscolex longiseta Schmarda, 1861

Ref: Uchida and Hirano (1996).

Hyboscolex pacificus borealis Imajima and Hartman, 1964 *

Remarks: Day (1967) synonymized Oncoscolex Schmarda, 1861 with Hyboscolex Schmarda, 1861 .

Parasclerochelius branchiatus Fauvel, 1928 *

[JN: Kiboshi-tonosamagokai]

Ref: Uchida (1992).

Polyphysia caulleryi (McIntosh, 1922)

Pseudoscalibregma orientalis Imajima, 2009 *

Ref: Imajima (2009).

Scalibregma inflatum Rathke, 1843

[JN: Tonosamagokai]

Nerillidae Levinsen, 1883 *

Nerilla mediterranea Schlieper, 1925 *

[JN: Chibi-mukashigokai]

Ref: Uchida (1979).

Nipponerilla irabuensis Worsaae, Hansen, and Fujita in Worsaae, Hansen, Axelsen, Kakui, MØller, Osborn, Martínez, Gonzalez, Miyamoto, and Fujimoto, 2021 *

[JN: Irabu-doukutsu-usamimi-gokai]

Dinophilidae Macalister, 1876 *

Dimorphilus gyrociliatus (O. Schmidt, 1857) *

[JN: Akame-hirata-mukashigokai]

Ref: Sudzuki and Sekiguchi (1972).

Trilobodrilus itoi Kajihara, Ikoma, Yamasaki, and Hiruta, 2015 *

Trilobodrilus nipponicus Uchida and Okuda, 1943 *

[JN: Suna-mukashigokai]

Ref: Uchida and Okuda (1943).

Diurodrilidae Kristensen and Niilonen, 1982 *

Diurodrilus kunii Kajihara, Ikoma, Yamasaki, and Hiruta, 2019 *

Parergodrilidae Reisinger, 1925 *

Stygocapitella budaevae Cerca, Meyer, Purschke, and Struck, 2020 *

[JN: Kita-sunaito-gokai]

Ref: Hookabe et al. (2024).

Stygocapitella itoi Hookabe, Jimi, Fujimoto, and Kajihara, 2024 *

[JN: Ito-sunaito-gokai]

Polygordiidae Czerniavsky, 1881

Polygordius ijimai Izuka, 1903

[JN: Ijima-mukashigokai]

Polygorgius pacificus Uchida, 1935

[JN: Yurine-mukashigokai]

Protodrilidae Hatschek, 1888 *

Protodrilus puniceus Sato-Okoshi, Okoshi, and Fujiwara, 2015

[JN: Hiiro-mukashigokai]

Saccocirridae Czerniavsky, 1881

Pharyngocirrus krusadensis (Alikuhni, 1948) *

[JN: Hime-mukashigokai]

Ref: Uchida (1992).

Pharyngocirrus labilis (Yamanishi, 1973) *

[JN: Nihon-mukashigokai]

Remarks: Domenico et al. (2014) established Pharyngocirrus Domenico, Martínez, Lana, and Worsaae, 2014 , and transferred this species and Saccocirrus uchidai Sasaki, 1981 to the genus.

Pharyngocirrus uchidai (Sasaki, 1981) *

Oweniidae Rioja, 1917

Galathowenia oculata (Zachs, 1923) *

Remarks: Kirkegaard (1983) transferred the species from Myriochele Malmgren, 1867 to Galathowenia Kirkegaard, 1959 .

Galathowenia scotiae (Hartman, 1978) *

Remarks: Imajima (2009) identified Japanese specimens of “ Galathowenia wilsoni ” as this species.

Myriochele danielsseni Hansen, 1879

[JN: Daniel-chimakigokai]

Myriochele heeri Malmgren, 1867

[JN: Bouzu-chimakigokai]

Myrioglobula japonica Imajima and Morita, 1987

[JN: Nihon-chimakigokai]

Owenia fusiformis Delle Chiaje, 1842

[JN: Chimakigokai]

Owenia gomsoni Koh and Bhaud, 2001 *

Ref: Nishi et al. (2004a).

Alvinellidae Desbruyères and Laubier, 1986 *

Paralvinella hessleri Desbruyères and Laubier, 1989 * [JN: Mariana-itoeragokai]

Ref: Miura and Ohta (1991).

Ampharetidae Malmgren, 1866

Amage arienticorunta Moore, 1923 *

Ref: Imajima (2006).

Amage auricula Malmgren, 1866

[JN: Amage-gokai]

Amage delus ( Chamberlin, 1919)

[JN: Ooamage-gokai]

Amage ehlersi Reuscher, Fiege, and Imajima, 2015

[JN: Tsuno-kazarigokai]

Amage imajimai Reuscher, 2015 *

Amage longitorus Reuscher, Fiege, and Imajima, 2015 [JN: Nagabero-kazarigokai]

Amagopsis cirratus Kucheruk, 1976

[JN: Kubinaga-kazarigokai]

Ampharete acutifrons (Grube, 1860)

[JN: Hari-kazarigokai]

Ampharete ampullata Imajima, Reuscher, and Fiege, 2012

[JN: Tokkuri-kazarigokai]

Ampharete arctica Malmgren, 1866

Ampharete cinnamomea Imajima, Reuscher, and Fiege, 2012

[JN: Hitosuji-kazarigokai]

Ampharete cornuta (Hilbig, 2000)

[JN: Kanmuri-kazarigokai]

Ampharete falcata Eliason, 1955

[JN: Toge-kazarigokai]

Ampharete finmarchica (M. Sars, 1864)

[JN: Habahiro-kazarigokai]

Ampharete gagarae Uschakov, 1950

Ampharete lindstroemi Hessle, 1917

[JN: Ukekuchi-kazarigokai]

Ampharete longipaleolata Uschakov, 1950

[JN: Oogi-kazarigokai]

Ampharete orientalis (Annenkova, 1929)

[JN: Touyou-kazarigokai]

Amphicteis gunneri (M. Sars, 1835)

[JN: Kazarigokai]

Amphicteis mederi Annenkova, 1929

[JN: Kumade-kazarigokai]

Amphicteis posterobranchiata Fauvel, 1932

[JN: Zuriera-kazarigokai]

Amphicteis scaphobranchiata Moore, 1906

[JN: Kobuera-kazarigokai]

Amphicteis spinosa Reuscher, Fiege, and Imajima, 2014

[JN: Ibara-kazarigokai]

Amphicteis taurus Reuscher, Fiege, and Imajima, 2014

[JN: Oote-kazarigokai]

Amphicteis uncopalea Chamberlin, 1919

[JN: Hige-kazarigokai]

Amphisamytha bioculata (Moore, 1909)

[JN: Zunguri-kazarigokai]

Amphisamytha japonica Hessle, 1917

[JN: Nihon-kazarigokai]

Anobothrus dayi Imajima, Reuscher, and Fiege, 2013

[JN: Minami-kazarigokai]

Anobothrus fimbriatus Imajima, Reuscher, and Fiege, 2013

[JN: Husakuchi-kazarigokai]

Anobothrus flabelligerulus Imajima, Reuscher, and Fiege, 2013

[JN: Uchiwa-kazarigokai]

Anobothrus gracilis (Malmgren, 1866)

[JN: Katayose-kazarigokai]

Anobothrus wakatakamaruae Imajima, 2009

[JN: Wakataka-kazarigokai]

Auchenoplax crinita Ehlers, 1887

[JN: Haraashi-kazarigokai]

Glyphanostomum hesslei Reuscher, Fiege, and Imajima, 2015

[JN: Kubimaki-kazarigokai]

Glyphanostomum pallescens (Théel, 1879)

[JN: Hoso-kazarigokai]

Hobsonia florida (Hartman, 1951) *

Ref: Uchida (2009).

Isolda pulchella F. Müller in Grube, 1858 *

[JN: Kagi-kazarigokai]

Ref: Iwase et al. (1990).

Lysippe fragilis (Wollebaek, 1912)

[JN: Yawa-kazarigokai]

Lysippe labiata Malmgren, 1866

Lysippe nipponica Reuscher, Fiege, and Imajima, 2015

[JN: Yamato-kazarigokai]

Melinna cristata (M. Sars, 1851)

[JN: Kamatsume-kazarigokai]

Melinna elisabethae McIntosh, 1914

[JN: Kagitsume-kazarigokai]

Melinna oculata Hartman, 1969 *

Ref: Imajima (2006).

Melinnampharete gracilis Hartman, 1969

[JN: Erimaki-kazarigokai]

Melinnexis arctica Annenkova, 1931 *

Ref: Imajima (2005).

Melinnexis tetradentata Imajima, 2001 *

[JN: Tsumenashi-kazarigokai]

Melinnopsis atlantica McIntosh, 1885 *

Ref: Imajima (2009).

Melinnopsis augeneri Reuscher, Fiege, and Imajima, 2015 *

[JN: Erinashi-kazarigokai]

Ref: Reuscher et al. (2015).

Melinnopsis mcintoshi Reuscher, Fiege, and Imajima, 2015 *

[JN: Subesube-kazarigokai]

Ref: Reuscher et al. (2015).

Melinnopsis ochotica ( Uschakov, 1950) *

[JN: Hosokamatsume-kazarigokai]

Ref: Imajima (2015).

Neosabellides elongatus (Ehlers, 1913)

[JN: Onaga-kazarigokai]

Neosabellides oceanica (Fauvel, 1914)

[JN: Kotsubu-kazarigokai]

Orochi palacephalus Reuscher, Fiege, and Imajima, 2015

[JN: Orochi-kazarigokai]

Paramage scutata (Moore, 1923)

[JN: Tsuppari-kazarigokai]

Paramphicteis angustifolia (Grube, 1878) *

[JN: Heraera-kazarigokai]

Remarks: This species reported from Japan by Reuscher et al. (2014). According to Reuscher et al. (2014), “ Amphicteis angustifolia ” from Japan in the previous reports (e.g., Marenzeller 1884) should be identified as P. weberi (Caullery, 1944) .

Paramphicteis weberi (Caullery, 1944) *

[JN: Hutoera-kazarigokai]

Remarks: See P. angustifolia .

Samytha annenkovae Reuscher, Fiege, and Imajima, 2015

[JN: Sazanami-kazarigokai]

Samythella bathycola Uschakov, 1950

[JN: Motoyose-kazarigokai]

Samythella neglecta Wollebaek, 1912

[JN: Sudare-kazarigokai]

Samythella pacifica McIntosh, 1885 *

Schistocomus hiltoni Chamberlin, 1919

[JN: Sankaku-kazarigokai]

Schistocomus sovjecticus Annenkova, 1937

[JN: Kataberi-kazarigokai]

Sosane brevibranchiata Imajima, Reuscher, and Fiege, 2013 [JN: Himeera-kazarigokai]

Sosane occidentalis (Hartman, 1969) *

Ref: Imajima (2006).

Sosane sulcata Malmgren, 1866

[JN: Hutohude-kazarigokai]

Sosane trigintaduo Imajima, Reuscher, and Fiege, 2013 [JN: Shiha-kazarigokai]

Sosane uebelackerae Imajima, Reuscher, and Fiege, 2013 [JN: Kaen-kazarigokai]

Sosane wireni ( Hessle, 1917)

[JN: Hutamata-kazarigokai]

Tanseimaruana boninensis Imajima, Reuscher, and Fiege, 2013

[JN: Munin-kazarigokai]

Watatsumi grubei Reuscher, Fiege, and Imajima, 2014 [JN: Watatsumi-kazarigokai]

Zatsepinia jirkovi Imajima, Reuscher, and Fiege, 2013 [JN: Hutobero-kazarigokai]

Zatsepinia rittichae Jirkov, 1986

[JN: Hutaera-kazarigokai]

Terebellidae Johnston, 1846

Amaeana trilobata (M. Sars, 1863)

Amphitrite cirrata O. F. Müller, 1771

[JN: Obana-husagokai]

Amphitrite edwardsii (Quatrefages, 1865)

Amphitrite oculata Hessle, 1917

Amphitrite rubra (Risso, 1826) *

Ref: Okuda (1937a).

Artacama proboscidea Malmgren, 1866 *

Ref: Imajima (2009).

Eupolymnia congruens ( Marenzeller, 1884)

[JN: Mikan-husagokai]

Eupolymnia nebulosa (Montagu, 1818)

Eupolymnia triloba (Fischli, 1900) *

Ref: Iwase et al. (1990).

Lanice conchilega (Pallas, 1766)

[JN: Ganzeki-husagokai]

Lanice seticornis ( McIntosh, 1885) *

Ref: Imajima (2011).

Lanice socialis (Wiley, 1905)

Loimia arborea Moore, 1903

Loimia ingens (Grube, 1878) *

[JN: Oochinchiro-husagokai]

Ref: Iwase et al. (1990).

Loimia medusa (Savigny in Quatrefages, 1865)

[JN: Chinchiro-husagokai]

Loimia montagui (Grube, 1878)

Loimia ochracea (Grube, 1878) *

Ref: Uchida (2008).

Loimia verrucosa Caullery, 1944 *

[JN: Chinchiro-husagokai(?)]

Remarks: Iwase et al. (1990) reported this species from Japan. Similar to this species, the Japanese name “Chinchiro-husagokai” has also been applied to L. medusa .

Lysilla pacifica Hessle, 1917

[JN: Kataashi-husagokai]

Neoamphitrite ramosissima ( Marenzeller, 1884)

Neoamphitrite vigintipes ( Marenzeller, 1884)

[JN: Ominaeshi-husagokai]

Neoleprea japonica Hessle, 1917

[JN: Hime-husagokai]

Nicolea gracilibranchis (Grube, 1878)

Nicolea sinensis Fauvel, 1917 *

Ref: Nishi et al. (2004b).

Nicolea venustula (Montagu, 1818) *

Ref: Uchida and Hirano (1996).

Nicolea zostericola (Örsted, 1844) *

Ref: Imajima (2009).

Phisidia sagamica Hessle, 1917

Pista agassizi Hilbig, 2000 *

Ref: Imajima (2006).

Pista atypica Hessle, 1917

[JN: Minami-tsukushi-husagokai]

Pista brevibranchiata Moore, 1923 *

Remarks: Leontovich and Jirkov (2011) concluded that P. fasciata (Grube, 1869) sensu Imajima and Hartman (1964b) is P. brevibranchiata . They also synonymized P. shizugawaensis Nishi and Tanaka, 2006 with this species.

Pista cristata (O. F. Müller, 1776)

Pista elongata Moore, 1909

[JN: Nagaera-husagokai]

Pista microlobata Hessle, 1917

Pista robustiseta Caullery, 1915

Polycirrus aoandon Jimi in Jimi, Bessho-Uehara, Nakamura, Sakata, Hayashi, Kanie, Ohmiya, Tsuyuki, Ota, Woo, and Ogoh, 2023 *

[JN: Aoandon-husagokai]

Polycirrus ikeguchii Jimi in Jimi, Bessho-Uehara, Nakamura, Sakata, Hayashi, Kanie, Ohmiya, Tsuyuki, Ota, Woo, and Ogoh, 2023 *

[JN: Ikeguchi-husagokai]

Polycirrus medius Hessle, 1917

[JN: Akahoshi-husagokai]

Polycirrus nervosus Marenzeller, 1884

Polycirrus onibi Jimi in Jimi, Bessho-Uehara, Nakamura, Sakata, Hayashi, Kanie, Ohmiya, Tsuyuki, Ota, Woo, and Ogoh, 2023 *

[JN: Onibi-husagokai]

Reteterebella queenslandia Hartman, 1963 *

[JN: Kawari-husagokai]

Remarks: Iwase et al. (1990).

Scionella japonica Moore, 1903

Scionella vinogradovi (Uschakov, 1955) *

Remarks: Imajima (2009).

Spinosphaera pacifica Hessle, 1917

Spiroverma ononokomachii Uchida, 1968

Streblosoma abranchiata Day, 1963 *

Ref: Nishi et al. (2001).

Streblosoma bairdi (Malmgren, 1866) *

Ref: Imajima (2009).

Streblosoma japonica Hessle, 1917

[JN: Moba-husagokai]

Terebella ehrenbergi Grube, 1870

[JN: Hanasaki-husagokai]

Terebella punctata Hessle, 1917

Thelepus cincinnatus (Fabricius, 1780)

Thelepus japonicus Marenzeller, 1884

[JN: Hyakume-nippon-husagokai]

Thelepus marenzelleri McIntosh, 1885

Thelepus plagiostoma (Schmarda, 1861) *

Ref: Hessle (1917).

Thelepus setosus (Quatrefages, 1866)

[JN: Nippon-husagokai]

Thelepus toyamaensis Okuda, 1936

[JN: Toyama-husagokai]

Trichobranchidae Malmgren, 1866

Octobranchus japonicus Hessle, 1917

Terebellides brevis Imajima and Williams, 1985 [JN: Tsume-tamagushihusagokai]

Terebellides eurystethus Chamberlin, 1919 *

Ref: Levenstein (1973).

Terebellides horikoshii Imajima and Williams, 1985 [JN: Hutokubi-tamagushihusagokai]

Terebellides intoshi Caullery, 1915

[JN: Intoshi-tamagushihusagokai]

Terebellides japonica Moore, 1903

[JN: Nihon-tamagushihusagokai]

Terebellides kobei Hessle, 1917

[JN: Nise-tamagushihusagokai]

Terebellides lineata Imajima and Wiliams, 1985 [JN: Hoso-tamagushihusagokai]

Terebellides stroemii M. Sars, 1835

[JN: Tamgushihusagokai]

Trichobranchus bibranchiatus Moore, 1903 Trichobranchus glacialis Malmgren, 1866 *

Ref: Imajima (2009).

Pectinariidae Quatrefages, 1866

Amphictene hokkaido Nishi, Tomioka, Jimi, Fujiwara, and Kupriyanova, 2024

[JN: Ezo-umiisagomushi]

Amphictene japonica (Nilsson, 1928)

[JN: Nihon-umiisagomushi]

Cistenides granulata (Linneaus, 1767)

Cistenides hyperborea Malmgren, 1866

[JN: Kita-umiisagomushi]

Lagis bocki ( Hessle, 1917)

[JN: Umiisagomushi]

Lagis bocki naikaiensis Kitamori, 1965 *

[JN: Naikai-umiisagomushi]

Lagis koreni Malmgren, 1866 *

Ref: Okuda (1936).

Pectinaria aegyptia (Savigny, 1822)

Pectinaria belgica (Pallas, 1766) *

Ref: Kitamori (1965).

Pectinaria hiuchiensis Kitamori, 1965

[JN: Hiuchi-umiisagomushi]

Pectinaria okudai (Imajima and Hartman, 1964) *

[JN: Okuda-umiisagomushi]

Remarks: Nishi et al. (2014) transferred this species to Pectinaria Lamarck, 1818 from Cistenides Malmgren, 1866 .

Sabellariidae Johnston, 1865 Idanthyrsus boninensis Nishi and Kirtley, 1999 * [JN: Ogasawara-nagao-kanmurigokai] Idanthyrsus okinawaensis Nishi and Kirtley, 1999 * [JN: Uchina-kanmurigokai] Idanthyrsus okudai Kirtley, 1994 * [JN: Nagao-kanmuri] Remarks: Kirtley (1994) described this species based on

Okuda’s (1938) description of I. pennatus (Peters, 1854) . Idanthyrsus saxicavus (Baird, 1863) * [JN: Akkeshi-kanmurigokai] Ref: Imajima (1963). Lygdamis curvatus ( Johansson, 1922) * [JN: Bonin-kanmurigokai] Lygdamis japonicus Nishi and Kirtley, 1999 * [JN: Hana-kanmuri] Neosabellaria cementarium Moore, 1906 [JN: Kanmurigokai] Neosabellaria uschakovi Kirtley, 1994 * [JN: Kitano-kanmurigokai] Phalacrostemma elegans Fauvel, 1911 * Ref: Imajima (2006). Sabellaria intoshi Fauvel, 1914 * Ref: Imajima and Takeda (1975). Sabellaria ishikawai Okuda, 1938 Sabellaria isumiensis Nishi, Bailey-Brock, Santos ,

Tachikawa, and Kupriyanova, 2010 * Sabellaria tottoriensis Nishi, Kato, and Hayashi, 2004 *

Fabriciidae Rioja, 1925

Fabricia sabella (Ehrenberg, 1837)

Fabricinuda bikinii (Hartman, 1954) *

Ref: Nishi (1996b).

Fabriciola rubra Fitzhugh, 1998 *

Pseudoaugeneriella unirama Fitzhugh, 1998 *

Sabellidae Latreille, 1825

Acromegalomma acrophthalmos (Grube, 1878) *

[JN: Oome-keyari]

Ref: Uchida (1992).

Acromegalomma pacificum Johansson, 1922 *

Remarks: Imajima and Takeda (1975) reported this species from Japan. Gil and Nishi (2017) concluded that this species was a taxon inquirendum with the following explanation “The fact that the holotype has dried out and that the species has a remote type locality have likely prevented a formal redescription.”

Acromegalomma quadrioculatum (Willey, 1905) *

[JN: Minami-oomekeyari]

Ref: Iwase et al. (1990).

Acromegalomma vesiculosum (Montagu, 1815) *

Ref: Imajima (2006).

Amphicornia ascidicola Yoshihara, Hiruta, Katoh, and Kajihara, 2012 *

Amphicornia ezoensis Yoshihara, Hiruta, Katoh, and Kajiahra, 2012 *

Amphicornia mobilis (Rouse, 1990) *

Ref: Yoshihara et al. (2012).

Amphiglena nishii Capa and Rouse, 2007 *

[JN: Uron-keyarimushi]

Bispira crassicornis M. Sars, 1851 *

Ref: Johansson (1927).

Bispira melanostigma Schmarda, 1861 *

Ref: Johansson (1927).

Bispira porifera (Grube, 1878) *

[JN: Himehon-keyarimushi]

Ref: Iwase et al. (1990).

Bispira wireni ( Johansson, 1922) *

Branchiomma cingulata (Grube, 1870)

[JN: Murakumo-keyari]

Branchiomma picta ( McIntosh, 1885)

Branchiomma serratibranchis (Grube, 1878)

Chone duneri Malmgren, 1867 *

Ref: Johansson (1927).

Chone ecaudata (Moore, 1923) *

Ref: Imajima (2006).

Chone filicaudata Southern, 1914 *

Ref: Imajima and Takeda (1975).

Chone gracilis Moore, 1906 *

Ref: Imajima (2009).

Chone infundibuliformis KrØyer, 1856 *

Ref: Okuda (1934).

Chone magna (Moore, 1923) *

Ref: Imajima (2009).

Chone mollis (Busch in Moore, 1904) *

[JN: Kubiwa-keyari]

Ref: Uchida (1992).

Claviramus kyushuensis Nishi, Tanaka, and Tovar-Hernández, 2019 *

Desdemona ornata Banse, 1957 *

Ref: Yamanishi et al. (1998).

Dialychone okudai Nishi, Tanaka, Tovar-Hernandez, and Giangrande, 2009 *

Euchone alicaudata Moore and Bush, 1904

Euchone analis (KrØyer, 1856) *

Ref: Imajima (2009).

Euchone capensis Day, 1961 *

Ref: Imajima (2011).

Euchone limnicola Reish, 1959 *

Ref: Hayashi (1983).

Hypsicomus lyra Moore and Bush, 1904

Hypsicomus phaeotaenia (Schmarda, 1861)

[JN: Norikura-keyari]

Jasmineira filatovae Levenstein, 1961 *

Ref: Levenstein (1973).

Jasmineira kikuchii Nishi, Tanaka, Tovar-Hernández, and Giangrande, 2009 *

[JN: Kikuchi-keyarimushi]

Laonome albicingillum Hsieh, 1995 *

[JN: Higata-keyarimushi]

Ref: Nishi et al. (2005).

Laonome tridentata Moore and Bush, 1904

Myxicola infundibulum (Reiner, 1804)

[JN: Routo-keyari]

Notaulax phaeotaenia (Schmarda, 1861) *

Ref: Nishi (2003).

Notaulax yamasui Nishi, Gil, Tanaka, and Kupriyanova, 2017 *

Paradialychone cincta (Zachs, 1933) *

Ref: Nishi et al. (2009).

Paradialychone edomae Nishi, Tanaka, Tovar-Hernández, and Giangrande, 2009 *

[JN: Umetate-keyarimushi]

Paradialychone katsuuraensis Nishi, Tanaka, Tovar-Hernández, and Giangrande, 2009 *

[JN: Moba-keyarimushi]

Parasabella albicans ( Johansson, 1922) *

Remarks: Tovar-Hernández and Harris (2010) transferred Demonax albicans to Parasabella Bush, 1905 .

Parasabella aulaconota ( Marenzeller, 1884)

[JN: Azusa-keyari]

Parasabella fullo (Grube, 1878) *

Parasabella japonica (Moore and Bush, 1904)

Perkinsiana acuminata (Moore and Bush, 1904) *

Remarks: Knight-Jones (1983) transferred Potamilla acuminata to Perkinsiana Knight-Jones, 1983 .

Potamilla paulina (Grube, 1868)

Potamilla saxicava (Quatrefages, 1866) *

[JN: Kumade-keyari]

Ref: Uchida (1992).

Potamilla torelli Malmgren, 1866

Pseudopotamilla elegans ( Johansson, 1922)

Pseudopotamilla myriops ( Marenzeller, 1884)

[JN: Minami-erako]

Pseudopotamilla occelata Moore, 1905

[JN: Erako]

Pseudopotamilla reniformis (Linneaus, 1788)

Sabella fusca Grube, 1870 *

[JN: Hon-keyarimushi]

Ref: Uchida (1992).

Sabellastarte japonica ( Marenzeller, 1884)

[JN: Keyarimushi]

Sabellastarte spectabilis (Grube, 1878)

[JN: Indo-keyari]

Sabellastarte zebuensis ( McIntosh, 1885)

[JN: Dankai-keyari]

Spirographis tricyclia (Schmarda, 1861) *

[JN: Katamaki-keyarimushi]

Ref: Iwase et al. (1990).

Serpulidae Rafinesque, 1815

Apomatus enosimae Marenzellr, 1884 Apomatus geniculatus (Moore and Bush, 1904) Bushiella arguta (Bush, 1904)

Circeis spirillum (Linnaeus, 1758)

[JN: Subekawa-uzumakigokai]

Crucigera tricornis Gravier, 1906

[JN: Mitsuyubi-kanzashigokai]

Crucigera zygophora (Johnson, 1901)

[JN: Kubimagari-kanzashigokai]

Dasynema chrysogyrus (Grube, 1876) *

Ref: Nishi (1993b).

Ditrupa arietina (O. F. Müller, 1776)

Ditrupa gracillima Grube, 1878

[JN: Tsunogaidamashi]

Ficopomatus enigmaticus (Fauvel, 1923)

[JN: Kaniyadori-kanzashi]

Filograna implexa Berkeley, 1851

[JN: Shiraitogokai]

Filogranella elatensis Ben-Eliahu and Dafni, 1979 *

[JN: Oo-shiraitogokai]

Ref: Iwase et al. (1990).

Filogranula exilis Imajima, 1979

[JN: Hako-kanzashigokai]

Floriprotis sabiuraensis Uchida, 1978

[JN: Hananagare-kanzashi-damashi]

Hydroides albiceps (Grube, 1870)

[JN: Hukuro-kanzashigokai]

Hydroides bisectus Imajima and ten Hove, 1989

[JN: Kagi-kanzashigokai]

Hydroides brachyacantha Rioja, 1941

[JN: Hutomagari-kanzashigokai]

Hydroides dianthus (Verrill, 1873) *

Remarks: Link et al. (2009) reported this species from Japan. It is an alien species.

Hydroides dirampha Mörch, 1863

[JN: Yaguruma-kanzashigokai]

Hydroides elegans (Haswell, 1883)

[JN: Kasane-kanzashigokai]

Hydroides exaltata ( Marenzeller, 1884)

[JN: Kamagata-kanzashigokai]

Hydroides exa . vesiculosus Fauvel, 1919

Hydroides externispina Straughan, 1967

[JN: Pengin-kanzashigokai]

Hydroides ezoensis Okuda, 1934

[JN: Ezokasane-kanzashi]

Hydroides fusca Imajima, 1976

[JN: Kurotsuru-kanzashigokai]

Hydroides fusicola Mörch, 1863

[JN: Hosotoge-kanzashigokai]

Hydroides helmatus (Iroso, 1921) *

Ref: Imajima (1987).

Hydroides longispinosa Imajima, 1976

[JN: Nagatoge-kanzashigokai]

Hydroides minax (Grube, 1878)

[JN: Hanamagari-kanzashigokai]

Hydroides multispinosa Marenzeller, 1884

[JN: Toge-kanzashigokai]

Hydroides novaepommeraniae Augener, 1925

[JN: Tokkuri-kanzashigokai]

Hydroides tambalagamensis Pillai, 1961

[JN: Ningyou-kanzashigokai]

Hydroides tuberculata Imajima, 1976

[JN: Kinchaku-kanzashigokai]

Janita fimbriata (Delle Chiaje, 1822)

[JN: Owan-kanzashigokai]

Josephella marenzelleri Caullery and Mesnil, 1896

[JN: Hirakago-kanzashi]

Leodora coronata (Zachs, 1933)

Leodora multiplata Uchida, 1971

Metavermilia acanthophora (Augener, 1914)

[JN: Tsunohuchitori-kanzashigokai]

Metavermilia gravitesta Imajima, 1978

[JN: Oyayubi-kanzashigokai]

Metavermilia inflata Imajima, 1977

[JN: Fuusen-kanzashigokai]

Metavermilia nates Zibrowius, 1971

[JN: Huchitori-kanzashigokai]

Metavermilia ogasawaraensis Nishi, Kupriyanova, and Tachikawa, 2007 *

Metavermilia ovata Imajima, 1978

[JN: Haradashi-kanzashigokai]

Metavermilia spicata Imajima, 1977

[JN: Tsukushi-kanzashigokai]

Metavermilia truncata Imajima, 1978

[JN: Tenjiku-kanzashigokai]

Metavermilia yamazatoi Imajima and ten Hove, 1989

[JN: Yamazato-kanzashigokai]

Microprotula ovicellata Uchida, 1978

Neodexiospira alveolata (Zachs, 1933)

Neodexiospira brasiliensis (Grube, 1872)

Remarks: Knight-Jones (1984) replaced Dexiospira Caullery and Mensnil, 1897 with Neodexiospira Pillai, 1970 , as it was preoccupied by a protozoan genus Dexiospira Ehrenberg, 1858 .

Neodexiospira foraminosa (Bush, 1904)

Neodexiospira pseudocorrugata (Bush, 1905)

Omphalopomopsis langerhansii ( Marenzeller, 1884)

Paradexiospira (Spirobides) vitrea (Fabricius, 1780)

Remarks: Knight-Jones and Knight-Jones (1977) synonymized P. nakamurai Uchida, 1971 with this species.

Paraprotis dendrova Uchida, 1978

Paraprotis pulchra Imajima, 1979

[JN: Nagare-kanzashi-damashi]

Pileolaria aurita Rzhavsky and Nishi, 2011 *

Pileolaria berkeleyana (Rioja, 1942)

Remarks: See Rzhavsky et al. (2010).

Pileolaria pacifica (Uchida, 1971) *

Placostegus tridentatus (Fabricius, 1780)

[JN: Kizuchi-kanzashi]

Pomatoceros auritubis Moore and Bush, 1904

Pomatoceros helicoides Marenzeller, 1884

Pomatostegus stellatus (Abildgaard, 1789)

[JN: Haguruma-kanzashigokai]

Protula anomala Day, 1955 *

Ref: Uchida (2008).

Protula apomatoides ( Uchida, 1978) *

Remarks: ten Hove and Kupriyanova (2009) synonymized Paraprotula Uchida, 1978 with Protula Risso, 1826 .

Protula magnifica Straughan, 1967

Protula tubularia (Mongagu, 1803)

[JN: Nagare-kanzashi]

Protula t. caeca Imajima, 1977

[JN: Daidainagare-kanzashi]

Pseudochitinopoma pavimentata Nishi, 1999 *

Rhodopsis pusilla Bush, 1905 *

Ref: Nishi (1993a).

Rhodopsis simplex ( Uchida, 1978) *

Remarks: Ben-Eliahu and ten Hove (1989) synonymized Apomatolos Uchida, 1978 with Rhodopsis Bush, 1905 .

Salmacina amphidentata Jones, 1962 *

Ref: Nishi (1993a).

Salmacina dysteri (Huxley, 1855)

[JN: Sakibuto-kanzashigokai]

Salmacina tribranchiata (Moore, 1923) *

Ref: Nishi (1993a).

Semivermilia elliptica Imajima, 1978

Serpula concharum Langerhans, 1880 *

Ref: Uchida (1978).

Serpula hartmanae Reish, 1968

[JN: Hartman-kanzashigokai]

Serpula granulosa Marenzeller, 1884 *

Serpula japonica Imajima, 1979

[JN: Toguro-kanzashigokai]

Serpula jukesii Baird, 1865 *

[JN: Hitoe-kanzashi]

Ref: Marenzeller (1884).

Serpula longituba (Imajima, 1979) *

[JN: Hosonaga-kanzashigokai]

Ref: ten Hove (1994) synonymized Semiserpula Imajima, 1979 with Serpula Linnaeus, 1758 .

Serpula oshimae Imajima and ten Hove, 1984

[JN: Oshima-kanzashigokai]

Serpula pacificum Uchida, 1978 *

Serpula tetratropia Imajima and ten Hove, 1984

Serpula vittata Augener, 1914

[JN: Asagao-kanzashigokai]

Serpula watsoni Willey, 1905

[JN: Watson-kanzashigokai]

Simplaria pseudomilitaris (Thiriot-Quievreux, 1965)

Spirorbella tricornigera Rioja, 1942

[JN: Tsuno-uzumakigokai]

Spirobranchus akitsushima Nishi, Abe, Tanaka, Jimi, and Kupriyanova, 2022 *

Spirobranchus corrugatus Straughan, 1967 *

Ref: ten Hove and Nishi (1996).

Spirobranchus decoratus Imajima, 1982

[JN: Togehana-kanzashi]

Spirobranchus gaymardi (Quatrefages, 1866) *

Ref: Nishi (2003).

Spirobranchus corniculatus (Grube, 1862)

[JN: Ibara-kanzashi]

Spirobranchus latiscapus ( Marenzeller, 1884)

[JN: Entaku-kanzashigokai]

Spirobranchus polytrema (Philippi, 1884)

[JN: Hutakobu-kanzashi]

Spirobranchus tetraceros (Schmarda, 1861)

[JN: Mutsueda-kanzashigokai]

Spirobranchus tricornis (Mörch, 1863) *

Ref: Uchida (2008).

Vermiliopsis infundibulum / glandigera species group

[JN: Donguri-kanzashi]

Vermiliopsis labiata (Costa, 1861)

[JN: Chigire-kanzashigokai]

Vermiliopsis pluriannulata (Moore and Bush, 1904)

Asteriomyzostomidae Jägersten, 1940 Asteriomyzostomum hercules Jimi, Moritaki, and Kajihara, 2017 *

[JN: Kanmurihitode-suikuchimushi]

Asteriomyzostomum jinshou Jimi, Moritaki, and Kajihara, 2017 *

[JN: Udenagagokakuhitode-suikuchimushi]

Asteriomyzostomum monroeae Jimi, Moritaki, and Kajihara, 2017 *

[JN: Himehitode-suikuchimushi]

Eenymeenymyzostomatidae Summers and Rouse, 2015

Eenymeenymyzostoma cirripedium (Graff, 1885)

Remarks: Summers and Rouse (2015) established the genus Eenymeenymyzostoma Summers and Rouse, 2015 with transferring this species to the genus.

Endomyzostomatidae Perrier, 1897

Endomyzostoma clarki (McClendon, 1906) Endomyzostoma deformator (Graff, 1884) Endomyzostoma robustum (Hara and Okada, 1921) Endomyzostoma orientale (McClendon, 1906)

Myzostomatidae Benham, 1896

Remarks: See Imajima and Hartman (1964b) for previous records.

Mesomyzostoma katoi Okada, 1933

Mesomyzostoma okadai Rouse, Lanterbecq, Summers, and Eeckhaut, 2015 *

Myzostoma ambiguum Graff, 1877

Myzostoma antennatum Graff, 1877

Myzostoma bocki Jägersten, 1937

[JN: azuki-suikuchimushi]

Myzostoma brevicirrum Graff, 1877

Myzostoma brevilobatum Jägersten, 1937

Myzostoma chelonium McClendon, 1906

Myzostoma chelonoidium McClendon, 1906

Myzostoma cirricostatum Jägersten, 1937

Myzostoma cornutum Graff, 1877 *

Ref: Clark (1921).

Myzostoma elegans Graff, 1877 *

Ref: Iwase et al. (1990).

Myzostoma holotuberculatum Jägersten, 1940

Myzostoma insigne Atkins, 1927

Myzostoma japonica McClendon, 1906

Myzostoma lobata Graff, 1906 *

[JN: Panda-suikuchimushi]

Ref: Nishi et al. (2002).

Myzostoma longimanum Jägersten, 1937

Myzostoma maculatum Jägersten, 1937

Myzostoma nasonovi (Fedotov, 1938) *

Myzostoma nigrescens Graff, 1884

Myzostoma polycyclus Atkins, 1927 *

[JN: Mato-suikuchimushi]

Ref: Uchida (1992).

Myzostoma smithi McClendon, 1906

Myzostoma tentaculatum Jägersten, 1940

Myzostoma terminale Jägersten, 1937

Myzostoma tuberculatum Jägersten, 1937

Myzostoma vastum Graff, 1883

Myzostoma wheeleri McClendon, 1906 Notopharyngoides ijimai (Hara and Okada, 1921)

[JN: Ijima-suikuchimushi]

Notopharyngoides platypus (Graff, 1887) *

Ref: Grygier and Nomura (1998).

Protomyzostomidae Stummer-Traunfels, 1926 Protomyzostomum astrocladi Fedotov, 1925 Protomyzostomum sagamiense Okada, 1922