| Nominal Species (n = 328) | Present allocation (n = 275) | Ref. |
|---|---|---|
| Porogadus abyssalis Nybelin, 1957 | Porogadus abyssalis | 3686 |
| Barathrites abyssorum Roule, 1916 | Barathrites iris | 34024 |
| Homostolus acer Smith & Radcliffe, 1913 | Homostolus acer | 34024 |
| Bassogigas aequatoris Smith & Radcliffe, 1913 | Holcomycteronus aequatoris | 4103 |
| Dicromita agassizii Goode & Bean, 1896 | Monomitopus agassizii | 12965 |
| Neobythites alcocki Nielsen, 2002 | Neobythites alcocki | 46206 |
| Spottobrotula amaculata Cohen & Nielsen, 1982 | Sirembo amaculata | 34024 |
| Selachophidium americanum Nielsen, 1971 | Monomitopus americanus | 26282 |
| Neobythites analis Barnard, 1927 | Neobythites analis | 34024 |
| Neobythites andamanensis Nielsen, 2002 | Neobythites andamanensis | 46206 |
| Ophidion antipholus Lea & Robins, 2003 | Ophidion antipholus | 81834 |
| Lepophidium aporrhox Robins, 1961 | Lepophidium aporrhox | 34024 |
| Glyptophidium argenteum Alcock, 1889 | Glyptophidium argenteum | 34024 |
| Brotula armata Temminck & Schlegel, 1846 | Hoplobrotula armata | 7300 |
| Pteridium armatum Döderlein, 1886 | Benthocometes robustus | 3686 |
| Pycnocraspedum armatum Gosline, 1954 | Pycnocraspedum armatum | 27116 |
| Acanthonus armatus Günther, 1878 | Acanthonus armatus | 3686 |
| Otophidium asiro Jordan & Fowler, 1902 | Ophidion asiro | 43544 |
| Leucicorus atlanticus Nielsen, 1975 | Leucicorus atlanticus | 126178 |
| Porogadus atripectus Garman, 1899 | Porogadus atripectus | 34024 |
| Apagesoma australe Nielsen, King & Møller, 2008 | Apagesoma australe | 123477 |
| Benthocometes australiensis Nielsen, 2010 | Benthocometes australiensis | 85058 |
| Neobythites australiensis Nielsen, 2002 | Neobythites australiensis | 88876 |
| Genypterus australis Castelnau, 1872 | Genypterus blacodes | 7300 |
| Hoplobrotula badia Machida, 1990 | Hoplobrotula badia | 34024 |
| Ophidion barbatum Linnaeus, 1758 | Ophidion barbatum | 34024 |
| Enchelyopus barbatus Bloch & Schneider, 1801 | Brotula barbata | 3686 |
| Luciobrotula bartschi Smith & Radcliffe, 1913 | Luciobrotula bartschi | 34024 |
| Luciobrotula bartschi (non Smith & Radcliffe, 1913) | Luciobrotula corethromycter | 3686 |
| Ophidion beani Jordan & Gilbert, 1883 | Ophidion holbrookii | 81834 |
| Ophidion beani (non Jordan & Gilbert, 1883) | Ophidion antipholus | 81834 |
| Neobythites bimaculatus Nielsen, 1997 | Neobythites bimaculatus | 34024 |
| Neobythites bimarginatus Fourmanoir & Rivaton, 1979 | Neobythites bimarginatus | 34024 |
| Ventichthys biospeedoi Nielsen, Møller & Segonzac, 2006 | Ventichthys biospeedoi | 57890 |
| Ophidium blacodes Forster, 1801 | Genypterus blacodes | 7300 |
| Ophidium brasiliense Kaup, 1856 | Raneya brasiliensis | 37274 |
| Genypterus brasiliensis Regan, 1903 | Genypterus brasiliensis | 9358 |
| Luciobrotula brasiliensis Nielsen, 2009 | Luciobrotula brasiliensis | 83453 |
| Neobythites braziliensis Nielsen, 1999 | Neobythites braziliensis | 34024 |
| Ophidium brevibarbe Cuvier, 1829 | Lepophidium brevibarbe | 12965 |
| Brotulotaenia brevicauda Cohen, 1974 | Brotulotaenia brevicauda | 34024 |
| Porogadus breviceps Garman, 1899 | Porogadus promelas | 125143 |
| Leptobrotula breviventralis Nielsen, 1986 | Leptobrotula breviventralis | 34024 |
| Ophidion broussoneti Müller, 1845 | Ophidion rochei | 34024 |
| Neobythites brucei Dollo, 1906 | Holcomycteronus brucei | 5178 |
| Bassobythites brunswigi Brauer, 1906 | Lamprogrammus brunswigi | 7435 |
| Brotula burbonensis Kaup, 1858 | Brotula multibarbata | 34024 |
| Porogadus caboverdensis Schwarzhans & Møller, 2021 | Porogadus caboverdensis | 125143 |
| Hypopleuron caninum Smith & Radcliffe, 1913 | Hypopleuron caninum | 34024 |
| Xiphiurus capensis Smith, 1847 | Genypterus capensis | 3686 |
| Bathyonus catena Goode & Bean, 1885 | Porogadus catena | 26282 |
| Mixonus caudalis Garman, 1899 | Bathyonus caudalis | 31524 |
| Leptophidium cervinum Goode & Bean, 1885 | Lepophidium profundorum | 93826 |
| Otophidium chickcharney Böhlke & Robins, 1959 | Otophidium chickcharney | 5521 |
| Conger chilensis Guichenot, 1848 | Genypterus chilensis | 26282 |
| Brotula clarkae Hubbs, 1944 | Brotula clarkae | 34024 |
| Bassogigas coheni Mayer & Nalbant, 1972 | Spectrunculus crassus | 80689 |
| Luciobrotula coheni Nielsen, 2009 | Luciobrotula coheni | 83453 |
| Lepophidium collettei Robins, Robins & Brown, 2012 | Lepophidium collettei | 91765 |
| Bathynectes compressus Günther, 1878 | Bassozetus compressus | 6993 |
| Ophidion congrus Gronow, 1854 | Ophidion barbatum | 26282 |
| Neobythites conjugator Alcock, 1896 | Monomitopus conjugator | 26282 |
| Luciobrotula corethromycter Cohen, 1964 | Luciobrotula corethromycter | 34024 |
| Brotulotaenia crassa Parr, 1934 | Brotulotaenia crassa | 34024 |
| Bythites crassus Vaillant, 1888 | Spectrunculus crassus | 80689 |
| Neobythites crosnieri Nielsen, 1995 | Neobythites crosnieri | 34024 |
| Lepophidium crossotum Robins, Robins & Brown, 2012 | Lepophidium crossotum | 91765 |
| Lepophidium cultratum Robins, Robins & Brown, 2012 | Lepophidium cultratum | 91765 |
| Typhlonus delosommatus Hureau, Staiger & Nielsen, 1979 | Apagesoma delosommatum | 3686 |
| Holcomycteronus digittatus Garman, 1899 | Holcomycteronus digittatus | 34024 |
| Otophidium dormitator Böhlke & Robins, 1959 | Otophidium dormitator | 34024 |
| Porogadus dracocephalus Schwarzhans & Møller, 2021 | Porogadus dracocephalus | 125143 |
| Ophidion dromio Lea & Robins, 2003 | Ophidion dromio | 81834 |
| Apagesoma edentatum Carter, 1983 | Apagesoma edentatum | 34024 |
| Glyptophidium effulgens Nielsen & Machida, 1988 | Glyptophidium argenteum | 94700 |
| Bassozetus elongatus Smith & Radcliffe, 1913 | Bassozetus elongatus | 34024 |
| Neobythites elongatus Nielsen & Retzer, 1994 | Neobythites elongatus | 34024 |
| Leptophidium emmelas Gilbert, 1890 | Cherublemma emmelas | 26282 |
| Brotula ensiformis Günther, 1862 | Brotula multibarbata | 58267 |
| Lepophidium entomelan Robins, Robins & Brown, 2012 | Lepophidium entomelan | 91765 |
| Sirembo everriculi Whitley, 1936 | Sirembo imberbis | 34024 |
| Ophidion exul Robins, 1991 | Ophidion exul | 34024 |
| Lamprogrammus exutus Nybelin & Poll, 1958 | Lamprogrammus exutus | 34024 |
| Neobythites fasciatus (non Smith & Radcliffe, 1913) | Neobythites multistriatus | 33390 |
| Neobythites fasciatus Smith & Radcliffe, 1913 | Neobythites fasciatus | 34024 |
| Neobythites fijiensis Nielsen, 2002 | Neobythites fijiensis | 46206 |
| Dicrolene filamentosa Garman, 1899 | Dicrolene filamentosa | 34024 |
| Brotula flaviviridis Greenfield, 2005 | Brotula flaviviridis | 58267 |
| Lepophidium fluminense Miranda Ribeiro, 1903 | Raneya brasiliensis | 37274 |
| Brotula formosae Jordan & Evermann, 1902 | Brotula multibarbata | 34024 |
| Lamprogrammus fragilis Alcock, 1892 | Lamprogrammus fragilis | 26165 |
| Neobythites franzi Nielsen, 2002 | Neobythites franzi | 46206 |
| Epetriodus freddyi Cohen & Nielsen, 1978 | Epetriodus freddyi | 34024 |
| Otophidium fulvum Hildebrand & Barton, 1949 | Ophidion fulvum | 26282 |
| Pycnocraspedum fulvum Machida, 1984 | Pycnocraspedum fulvum | 34024 |
| Abyssobrotula galatheae Nielsen, 1977 | Abyssobrotula galatheae | 3686 |
| Bassozetus galatheae Nielsen & Merrett, 2000 | Bassozetus galatheae | 84269 |
| Otophidium galeoides Gilbert, 1890 | Ophidion galeoides | 26282 |
| Monomeropus garmani Smith & Radcliffe, 1913 | Monomitopus garmani | 31524 |
| Otophidium genyopus Ogilby, 1897 | Ophidion genyopus | 34024 |
| Leucicorus gerringerae Schwarzhans, Nielsen & Mundy, 2022 | Leucicorus gerringerae | 126178 |
| Neobythites gilli Goode & Bean, 1885 | Neobythites gilli | 32505 |
| Bassogigas gillii Goode & Bean, 1896 | Bassogigas gillii | 86400 |
| Lepophidium gilmorei Robins, Robins & Brown, 2012 | Lepophidium gilmorei | 91765 |
| Neobythites gloriae Uiblein & Nielsen, 2018 | Neobythites gloriae | 117295 |
| Bathyonus glutinosus Alcock, 1890 | Bassozetus glutinosus | 31524 |
| Sirembo gnathopus Regan, 1921 | Hoplobrotula gnathopus | 33021 |
| Enchelybrotula gomoni Cohen, 1982 | Enchelybrotula gomoni | 34024 |
| Bathynectes gracilis Günther, 1878 | Porogadus gracilis | 6993 |
| Ophidium graellsi Poey, 1861 | Lepophidium brevibarbe | 50838 |
| Sirembo grandis Günther, 1877 | Spectrunculus grandis | 3686 |
| Otophidium grayi Fowler, 1948 | Ophidion grayi | 12965 |
| Dicrolene gregoryi Trotter, 1926 | Dicrolene gregoryi | 34024 |
| Porogadus guentheri Jordan & Fowler, 1902 | Porogadus guentheri | 34024 |
| Selachophidium guentheri Gilchrist, 1903 | Selachophidium guentheri | 34024 |
| Sirembo guentheri Vaillant, 1888 | Bathyonus laticeps | 3686 |
| Ophidion guianense Lea & Robins, 2003 | Ophidion guianense | 81834 |
| Abyssobrotula hadropercularis Ohashi & Nielsen, 2016 | Abyssobrotula hadropercularis | 110276 |
| Umalius heraldi Herre, 1953 | Sirembo jerdoni | 27116 |
| Tauredophidium hextii Alcock, 1890 | Tauredophidium hextii | 34024 |
| Ophidion holbrookii Putnam, 1874 | Ophidion holbrookii | 46206 |
| Dicrolene hubrechti Weber, 1913 | Dicrolene hubrechti | 34024 |
| Lamprogrammus illustris Garman, 1899 | Lamprogrammus niger | 34024 |
| Brotula imberbis Temminck & Schlegel, 1846 | Sirembo imberbis | 43544 |
| Ophidion imitator Lea, 1997 | Ophidion imitator | 34024 |
| Mastigopterus imperator Smith & Radcliffe, 1913 | Mastigopterus imperator | 43943 |
| Otophidium indefatigabile Jordan & Bollman, 1890 | Otophidium indefatigabile | 34024 |
| Dicrolene introniger Goode & Bean, 1883 | Dicrolene introniger | 46206 |
| Barathrites iris Zugmayer, 1911 | Barathrites iris | 34024 |
| Ophidion iris Breder, 1936 | Ophidion iris | 9329 |
| Brotula japonica Steindachner & Döderlein, 1887 | Brotula multibarbata | 34024 |
| Glyptophidium japonicum Kamohara, 1936 | Glyptophidium japonicum | 34024 |
| Homostolus japonicus Matsubara, 1943 | Homostolus acer | 34024 |
| Penopus japonicus Nielsen & Ohashi, 2011 | Penopus japonicus | 87601 |
| Neobythites javaensis Nielsen, 2002 | Neobythites javaensis | 46206 |
| Brotula jayakari Günther, 1909 | Brotula multibarbata | 58267 |
| Lepophidium jeannae Fowler, 1941 | Lepophidium jeannae | 34024 |
| Brotula jerdoni Day, 1888 | Sirembo jerdoni | 7300 |
| Ophidion josephi Girard, 1858 | Ophidion josephi | 34024 |
| Lepophidium kallion Robins, 1959 | Lepophidium kallion | 34024 |
| Dicrolene kanazawai Grey, 1958 | Dicrolene kanazawai | 34024 |
| Neobythites kenyaensis Nielsen, 1995 | Neobythites kenyaensis | 34024 |
| Bassogigas koefoedi Nybelin, 1954 | Holcomycteronus squamosus | 6555 |
| Monomitopus kumae Jordan & Hubbs, 1925 | Monomitopus kumae | 34024 |
| Porogadus lacrimatus Schwarzhans & Møller, 2021 | Porogadus lacrimatus | 125143 |
| Parophidion lagochila Böhlke & Robins, 1959 | Ophidion lagochila | 26282 |
| Hoplophycis lalandi Kaup, 1858 | Genypterus capensis | 4103 |
| Bathynectes laticeps Günther, 1878 | Bathyonus laticeps | 3686 |
| Cherublemma lelepris Trotter, 1926 | Cherublemma emmelas | 34024 |
| Leucicorus lentibus Schwarzhans, Nielsen & Mundy, 2022 | Leucicorus lentibus | 126178 |
| Bassozetus levistomatus Machida, 1989 | Bassozetus levistomatus | 34024 |
| Volcanus lineatus Gosline, 1954 | Luciobrotula lineata | 26282 |
| Neobythites lombokensis Uiblein & Nielsen, 2018 | Neobythites lombokensis | 117295 |
| Monomitopus longiceps Smith & Radcliffe, 1913 | Monomitopus longiceps | 34024 |
| Porogadus longiceps Garman, 1899 | Porogadus longiceps | 34024 |
| Dicrolene longimana Smith & Radcliffe, 1913 | Dicrolene longimana | 34024 |
| Glyptophidium longipes Norman, 1939 | Glyptophidium longipes | 34024 |
| Neobythites longipes Smith & Radcliffe, 1913 | Neobythites longipes | 34024 |
| Neobythites longispinis Nielsen, 2002 | Neobythites longispinis | 46206 |
| Neobythites longiventralis Nielsen, 1997 | Neobythites longiventralis | 34024 |
| Ophidion lozanoi Matallanas, 1990 | Ophidion lozanoi | 34024 |
| Glyptophidium lucidum Smith & Radcliffe, 1913 | Glyptophidium lucidum | 34024 |
| Leucicorus lusciosus Garman, 1899 | Leucicorus lusciosus | 34024 |
| Penopus macdonaldi Goode & Bean, 1896 | Penopus microphthalmus | 34024 |
| Neobythites machidai Ohashi, Nielsen & Yabe, 2012 | Neobythites machidai | 90264 |
| Neobythites macrocelli Nielsen, 2002 | Neobythites macrocelli | 46206 |
| Neobythites macrops Günther, 1887 | Neobythites macrops | 34024 |
| Neobythites macrops (non Günther, 1887) | Neobythites analis | 4103 |
| Lamprogrammus macropterus Smith & Radcliffe, 1913 | Lamprogrammus brunswigi | 34024 |
| Glyptophidium macropus Alcock, 1894 | Glyptophidium macropus | 34024 |
| Brotella maculata Kaup, 1858 | Sirembo imberbis | 27116 |
| Ophidion maculatum Rafinesque, 1810 | Ophidion barbatum | 34024 |
| Ophidium maculatum Tschudi, 1846 | Genypterus maculatus | 27116 |
| Monomitopus magnus Carter & Cohen, 1985 | Monomitopus magnus | 34024 |
| Spottobrotula mahodadi Cohen & Nielsen, 1978 | Spottobrotula mahodadi | 34024 |
| Neobythites malayanus Weber, 1913 | Neobythites malayanus | 5978 |
| Neobythites malhaensis Nielsen, 1995 | Neobythites malhaensis | 34024 |
| Monomeropus malispinosus Garman, 1899 | Monomitopus malispinosus | 26282 |
| Barathrodemus manatinus Goode & Bean, 1883 | Barathrodemus manatinus | 34024 |
| Brotula marginalis Jenkins, 1901 | Brotula multibarbata | 34024 |
| Ophidion marginatum DeKay, 1842 | Ophidion marginatum | 34024 |
| Neobythites marginatus Goode & Bean, 1886 | Neobythites marginatus | 34024 |
| Neobythites marianaensis Nielsen, 2002 | Neobythites marianaensis | 46206 |
| Leptophidium marmoratum Goode & Bean, 1885 | Lepophidium marmoratum | 33021 |
| Neobythites marquesaensis Nielsen, 2002 | Neobythites marquesaensis | 46206 |
| Dermatorus melampeplus Alcock, 1896 | Tenuicephalus melampeplus | 125143 |
| Dermatorus melanocephalus Alcock, 1891 | Porogadus melanocephalus | 33021 |
| Porogadus mendax Schwarzhans & Møller, 2021 | Porogadus mendax | 125143 |
| Dicrolene mesogramma Shcherbachev, 1980 | Dicrolene mesogramma | 34024 |
| Sirembo metachroma Cohen & Robins, 1986 | Sirembo metachroma | 34024 |
| Neobythites meteori Nielsen, 1995 | Neobythites meteori | 34024 |
| Ophidion metoecus Robins, 1991 | Ophidion metoecus | 34024 |
| Sirembo metriostoma Vaillant, 1888 | Monomitopus metriostoma | 2733 |
| Itatius microlepis Matsubara, 1943 | Pycnocraspedum microlepis | 26282 |
| Leptophidium microlepis Gilbert, 1890 | Lepophidium microlepis | 26282 |
| Monomitopus microlepis Smith & Radcliffe, 1913 | Monomitopus microlepis | 34024 |
| Lepophidium microlepis hubbsi Robins & Lea, 1978 | Lepophidium hubbsi | 91765 |
| Lepophidium microlepis inca Robins & Lea, 1978 | Lepophidium inca | 91765 |
| Sirembo microphthalmus Vaillant, 1888 | Penopus microphthalmus | 3686 |
| Barathrodemus microps Parr, 1933 | Barathrodemus manatinus | 34024 |
| Genypterus microstomus Regan, 1903 | Genypterus blacodes | 34024 |
| Porogadus miles Goode & Bean, 1885 | Porogadus miles | 34024 |
| Neobythites monocellatus Nielsen, 1999 | Neobythites monocellatus | 34024 |
| Spottobrotula mossambica Nielsen, Schwarzhans & Uiblein, 2014 | Spottobrotula mossambica | 98314 |
| Bassozetus mozambiquensis Tomiyama, Takami & Fukui, 2016 | Bassozetus mozambiquensis | 107887 |
| Brotula muelleri Günther, 1909 | Brotula multibarbata | 58267 |
| Brotula multibarbata Temminck & Schlegel, 1846 | Brotula multibarbata | 34024 |
| Brotula multicirrata Vaillant & Sauvage, 1875 | Brotula multibarbata | 34024 |
| Neobythites multidigitatus Nielsen, 1999 | Neobythites multidigitatus | 34024 |
| Paradicrolene multifilis Alcock, 1889 | Dicrolene multifilis | 4103 |
| Neobythites multiocellatus Nielsen, Uiblein & Mincarone, 2009 | Neobythites multiocellatus | 82372 |
| Bassozetus multispinis Shcherbachev, 1980 | Bassozetus multispinis | 34024 |
| Neobythites multistriatus Nielsen & Quéro, 1991 | Neobythites multistriatus | 34024 |
| Tenuicephalus multitrabs Schwarzhans & Møller, 2021 | Tenuicephalus multitrabs | 125143 |
| Ophidion muraenolepis Günther, 1880 | Ophidion muraenolepis | 34024 |
| Sirembo muraenolepis Vaillant, 1888 | Benthocometes robustus | 3686 |
| Neobythites musorstomi Nielsen, 2002 | Neobythites musorstomi | 46206 |
| Xyelacyba myersi Cohen, 1961 | Xyelacyba myersi | 34024 |
| Bassozetus nasus Garman, 1899 | Bassozetus nasus | 34024 |
| Typhlonus nasus Günther, 1878 | Typhlonus nasus | 34024 |
| Barathrodemus nasutus Smith & Radcliffe, 1913 | Barathrodemus nasutus | 34024 |
| Neobythites natalensis Nielsen, 1995 | Neobythites natalensis | 34024 |
| Lepophidium negropinna Hildebrand & Barton, 1949 | Lepophidium negropinna | 34024 |
| Neobythites neocaledoniensis Nielsen, 1997 | Neobythites neocaledoniensis | 34024 |
| Bassozetus nielseni Tomiyama, Takami & Fukui, 2018 | Bassozetus nielseni | 119401 |
| Brotulotaenia nielseni Cohen, 1974 | Brotulotaenia nielseni | 34024 |
| Lamprogrammus niger Alcock, 1891 | Lamprogrammus niger | 34024 |
| Brotulotaenia nigra Parr, 1933 | Brotulotaenia nigra | 34024 |
| Dicrolene nigra Garman, 1899 | Dicrolene nigra | 34024 |
| Ophidion nigracauda Breder, 1936 | Ophidion iris | 33021 |
| Genypterus nigricans Philippi, 1857 | Genypterus chilensis | 34024 |
| Paradicrolene nigricaudis Alcock, 1891 | Dicrolene nigricaudis | 33021 |
| Sirembo nigripinnis Alcock, 1889 | Monomitopus nigripinnis | 4103 |
| Neobythites nigriventris Nielsen, 2002 | Neobythites nigriventris | 46206 |
| Neobythites nigromaculatus Kamohara, 1938 | Neobythites unimaculatus | 34024 |
| Ophidion nocomis Robins & Böhlke, 1959 | Ophidion nocomis | 5521 |
| Luciobrotula nolfi Cohen, 1981 | Luciobrotula nolfi | 34024 |
| Bassozetus normalis Gill, 1883 | Bassozetus normalis | 34024 |
| Ophidion novaculum Harry, 1951 | Chilara taylori | 26282 |
| Porogadus nudus Vaillant, 1888 | Porogadus nudus | 34024 |
| Glyptophidium oceanium Smith & Radcliffe, 1913 | Glyptophidium oceanium | 34024 |
| Eretmichthys ocella Garman, 1899 | Eretmichthys pinnatus | 33021 |
| Neobythites ocellatus Günther, 1887 | Neobythites ocellatus | 34024 |
| Genypterus omostigma Jordan & Gilbert, 1882 | Otophidium omostigma | 12965 |
| Sirembo oncerocephalus Vaillant, 1888 | Bassozetus oncerocephalus | 3686 |
| Brotula ordwayi Hildebrand & Barton, 1949 | Brotula ordwayi | 34024 |
| Dicrolene pallidus Hureau & Nielsen, 1981 | Dicrolene pallidus | 34024 |
| Monomitopus pallidus Smith & Radcliffe, 1913 | Monomitopus pallidus | 34024 |
| Neobythites pallidus Nielsen, 1997 | Neobythites pallidus | 34024 |
| Brotula palmietensis Smith, 1935 | Brotula multibarbata | 34024 |
| Leptophidium pardale Gilbert, 1890 | Lepophidium pardale | 26282 |
| Barathrites parri Nybelin, 1957 | Barathrites parri | 34024 |
| Enchelybrotula paucidens (non Smith & Radcliffe, 1913) | Enchelybrotula gomoni | 27746 |
| Enchelybrotula paucidens Smith & Radcliffe, 1913 | Enchelybrotula paucidens | 34024 |
| Bathyonus pectoralis Goode & Bean, 1885 | Bathyonus pectoralis | 34024 |
| Spottobrotula persica Nielsen, Schwarzhans & Uiblein, 2014 | Spottobrotula persica | 98314 |
| Brotula phenax Prokofiev, 2007 | Brotula phenax | 130577 |
| Lepophidium pheromystax Robins, 1960 | Lepophidium pheromystax | 34024 |
| Umalius philippinus Herre & Herald, 1950 | Sirembo jerdoni | 27116 |
| Neobythites phyllosoma Parr, 1933 | Pycnocraspedum phyllosoma | 33021 |
| Eretmichthys pinnatus Garman, 1899 | Eretmichthys pinnatus | 34024 |
| Mastigopterus praetor Smith & Radcliffe, 1913 | Mastigopterus imperator | 43943 |
| Grimaldichthys profundissimus Roule, 1913 | Holcomycteronus profundissimus | 3686 |
| Leptophidium profundorum Gill, 1863 | Lepophidium profundorum | 12965 |
| Porogadus promelas Gilbert, 1892 | Porogadus promelas | 125143 |
| Leptophidium prorates Jordan & Bollman, 1890 | Lepophidium prorates | 26282 |
| Neobythites pterotus Alcock, 1890 | Holcomycteronus pterotus | 33021 |
| Ophidion puck Lea & Robins, 2003 | Ophidion puck | 81834 |
| Dicrolene pullata Garman, 1899 | Dicrolene pullata | 34024 |
| Neobythites purus Smith & Radcliffe, 1913 | Neobythites purus | 34024 |
| Pteroidonus quinquarius Günther, 1887 | Dicrolene quinquarius | 56809 |
| Spectrunculus radcliffei Jordan & Thompson, 1914 | Spectrunculus grandis | 34024 |
| Eretmichthys remifer Smith & Radcliffe, 1913 | Eretmichthys pinnatus | 34024 |
| Ophidion robinsi Fahay, 1992 | Ophidion robinsi | 34024 |
| Lepophidium robustum Robins, Robins & Brown, 2012 | Lepophidium robustum | 91765 |
| Bassozetus robustus Smith & Radcliffe, 1913 | Bassozetus robustus | 34024 |
| Neobythites robustus Goode & Bean, 1886 | Benthocometes robustus | 3686 |
| Ophidion rochei Müller, 1845 | Ophidion rochei | 34024 |
| Porogadus rostratus Günther, 1887 | Alcockia rostrata | 34024 |
| Ophidion saldanhai Matallanas & Brito, 1999 | Ophidion saldanhai | 34017 |
| Otophidium schmidti Woods & Kanazawa, 1951 | Parophidion schmidti | 12965 |
| Otophidium scrippsae Hubbs, 1916 | Ophidion scrippsae | 10937 |
| Ophidion selenops Robins & Böhlke, 1959 | Ophidion selenops | 34024 |
| Neobythites sereti Nielsen, 2002 | Neobythites sereti | 46206 |
| Neobythitoides serratus Nielsen & Machida, 2006 | Neobythitoides serratus | 78399 |
| Lamprogrammus shcherbachevi Cohen & Rohr, 1993 | Lamprogrammus shcherbachevi | 34024 |
| Porogadus silus Carter & Sulak, 1984 | Tenuicephalus silus | 34024 |
| Neobythites sinensis Nielsen, 2002 | Neobythites sinensis | 46206 |
| Watasea sivicola Jordan & Snyder, 1901 | Neobythites sivicola | 43544 |
| Otophidium smithi Fowler, 1934 | Ophidion smithi | 10685 |
| Neobythites soelae Nielsen, 2002 | Neobythites soelae | 46206 |
| Porogadus solomonensis Schwarzhans & Møller, 2021 | Porogadus solomonensis | 125143 |
| Neobythites somaliaensis Nielsen, 1995 | Neobythites somaliaensis | 34024 |
| Acanthonus spinifer Garman, 1899 | Acanthonus armatus | 3686 |
| Tenuicephalus squamilabrus Schwarzhans & Møller, 2021 | Tenuicephalus squamilabrus | 125143 |
| Pycnocraspedum squamipinne Alcock, 1889 | Pycnocraspedum squamipinne | 34024 |
| Grimaldichthys squamosus Roule, 1916 | Holcomycteronus squamosus | 2733 |
| Lepophidium staurophor Robins, 1959 | Lepophidium staurophor | 34024 |
| Neobythites steatiticus Alcock, 1894 | Neobythites steatiticus | 34024 |
| Neobythites stefanovi Nielsen & Uiblein, 1993 | Neobythites stefanovi | 34024 |
| Neobythites stelliferoides Gilbert, 1890 | Neobythites stelliferoides | 34024 |
| Leptophidium stigmatistium Gilbert, 1890 | Lepophidium stigmatistium | 26282 |
| Neobythites stigmosus Machida, 1984 | Neobythites stigmosus | 34024 |
| Porogadus subarmatus Vaillant, 1888 | Porogadus catena | 125143 |
| Bathyonus taenia Günther, 1887 | Bassozetus taenia | 3686 |
| Ophidion taylori Girard, 1858 | Chilara taylori | 12965 |
| Genypterus tigerinus Klunzinger, 1872 | Genypterus tigerinus | 7300 |
| Monomitopus torvus Garman, 1899 | Monomitopus torvus | 34024 |
| Brotula townsendi Fowler, 1900 | Brotula townsendi | 34024 |
| Dermatorus trichiurus Alcock, 1890 | Porogadus trichiurus | 26282 |
| Neobythites trifilis Kotthaus, 1979 | Neobythites trifilis | 34024 |
| Dicrolene tristis Smith & Radcliffe, 1913 | Dicrolene tristis | 34024 |
| Porogadus turgidus Schwarzhans & Møller, 2021 | Porogadus turgidus | 125143 |
| Dannevigia tusca Whitley, 1941 | Dannevigia tusca | 9563 |
| Neobythites unicolor Nielsen & Retzer, 1994 | Neobythites unicolor | 34024 |
| Neobythites unimaculatus Smith & Radcliffe, 1913 | Neobythites unimaculatus | 34024 |
| Paradicrolene vaillanti Alcock, 1890 | Dicrolene vaillanti | 33021 |
| Ophidium vassali Risso, 1810 | Parophidion vassali | 12965 |
| Selachophidium vitiazi Nielsen, 1971 | Monomitopus vitiazi | 26282 |
| Neobythites vityazi Nielsen, 1995 | Neobythites vityazi | 34024 |
| Bassogigas walkeri Nielsen & Møller, 2011 | Bassogigas walkeri | 86400 |
| Sirembo wami Nielsen, Schwarzhans & Uiblein, 2014 | Sirembo wami | 98314 |
| Otophidium welshi Nichols & Breder, 1922 | Ophidion josephi | 50811 |
| Bassozetus werneri Nielsen & Merrett, 2000 | Bassozetus werneri | 84269 |
| Lepophidium wileyi Robins, Robins & Brown, 2012 | Lepophidium wileyi | 91765 |
| Bassozetus zenkevitchi Rass, 1955 | Bassozetus zenkevitchi | 34024 |
| Neobythites zonatus Nielsen, 1997 | Neobythites zonatus | 34024 |
| Lepophidium zophochir Robins, Robins & Brown, 2012 | Lepophidium zophochir | 91765 |