| Nominal Species (n = 291) | Present allocation (n = 224) | Ref. |
|---|---|---|
| Ophisoma acuta Swainson, 1839 | Ariosoma balearicum | 4453 |
| Bathycongrellus adenensis Klausewitz, 1991 | Promyllantor adenensis | 54804 |
| Congermuraena aequorea Gilbert & Cramer, 1897 | Bathycongrus aequoreus | 80565 |
| Congermuraena aequorea (non Gilbert & Cramer, 1897) | Bathycongrus guttulatus | 26165 |
| Leptocephalus affinis Facciolà, 1883 | Ariosoma balearicum | 4453 |
| Congermuraena africana Poll, 1953 | Japonoconger africanus | 4453 |
| Congermuraena albescens Barnard, 1923 | Bassanago albescens | 5323 |
| Bathycongrus albimarginatus Huang, Smith, Chang & Chen, 2018 | Bathycongrus albimarginatus | 129367 |
| Bathyuroconger albus Smith, Ho & Tashiro, 2018 | Bathyuroconger albus | 129617 |
| Promyllantor alcocki Gilbert & Cramer, 1897 | Acromycter alcocki | 40789 |
| Conger altipinnis Kaup, 1856 | Conger cinereus | 33390 |
| Conger anago Temminck & Schlegel, 1846 | Ariosoma anago | 26282 |
| Conger anagoides Bleeker, 1853 | Ariosoma anagoides | 36656 |
| Conger analis Poey, 1860 | Ariosoma anale | 4453 |
| Gnathophis andriashevi Karmovskaya, 1990 | Gnathophis andriashevi | 41744 |
| Lumiconger arafura Castle & Paxton, 1984 | Lumiconger arafura | 33451 |
| Rhechias armiger Jordan, 1921 | Bathycongrus aequoreus | 36324 |
| Gnathophis asanoi Karmovskaya, 2004 | Gnathophis asanoi | 54804 |
| Acromycter atlanticus Smith, 1989 | Acromycter atlanticus | 40789 |
| Promyllantor atlanticus Karmovskaya, 2006 | Promyllantor atlanticus | 57752 |
| Xenomystax atrarius Gilbert, 1891 | Xenomystax atrarius | 2850 |
| Conger auratus Costa, 1844 | Ariosoma balearicum | 4453 |
| Castleichthys auritus Smith, 2004 | Castleichthys auritus | 76855 |
| Congermuraena australis Barnard, 1923 | Gnathophis capensis | 5323 |
| Xenomystax austrinus Smith & Kanazawa, 1989 | Xenomystax austrinus | 40789 |
| Muraena balearica Delaroche, 1809 | Ariosoma balearicum | 4453 |
| Heteroconger balteatus Castle & Randall, 1999 | Heteroconger balteatus | 33408 |
| Bathycongrus baranesi Ben-Tuvia, 1993 | Bathycongrus wallacei | 36324 |
| Gorgasia barnesi Robison & Lancraft, 1984 | Gorgasia barnesi | 33408 |
| Gnathophis bathytopos Smith & Kanazawa, 1977 | Gnathophis bathytopos | 7251 |
| Ariosoma bauchotae Karrer, 1983 | Ariosoma bauchotae | 40966 |
| Congermuraena bertini Poll, 1953 | Bathycongrus bertini | 4453 |
| Rhynchoconger bicoloratus Kodeeswaran, Mohapatra, Kumar & Lal, 2023 | Rhynchoconger bicoloratus | 130611 |
| Paraxenomystax bidentatus Reid, 1940 | Xenomystax bidentatus | 5217 |
| Bathycongrus bimaculatus Smith & Ho, 2018 | Bathycongrus bimaculatus | 129368 |
| Bathycongrus bleekeri Fowler, 1934 | Bathycongrus bleekeri | 36324 |
| Congrellus bowersi Jenkins, 1903 | Ariosoma marginatum | 50838 |
| Gnathophis bracheatopos Smith & Kanazawa, 1977 | Gnathophis bracheatopos | 7251 |
| Macrocephenchelys brachialis Fowler, 1934 | Macrocephenchelys brachialis | 245 |
| Rhynchoconger brachuata Chu & Chen, 1958 | Rhynchoconger ectenurus | 106140 |
| Ariosoma brachyrhynchus Fowler, 1934 | Parabathymyrus brachyrhynchus | 89686 |
| Uroconger braueri Weber & de Beaufort, 1916 | Bathyuroconger vicinus | 4453 |
| Rhynchoconger brevirostris Chen & Weng, 1967 | Macrocephenchelys brevirostris | 5978 |
| Bathycongrus brunneus Huang, Ho & Chen, 2018 | Bathycongrus brunneus | 129367 |
| Bassanago bulbiceps Whitley, 1948 | Bassanago bulbiceps | 9563 |
| Rhechias bullisi Smith & Kanazawa, 1977 | Bathycongrus bullisi | 13608 |
| Paraconger californiensis Kanazawa, 1961 | Paraconger californiensis | 9292 |
| Taenioconger camelopardalis Lubbock, 1980 | Heteroconger camelopardalis | 86997 |
| Taenioconger canabus Cowan & Rosenblatt, 1974 | Heteroconger canabus | 26282 |
| Leptocephalus candidissimus Costa, 1832 | Conger conger | 4453 |
| Leptocephalus capensis Kaup, 1856 | Gnathophis capensis | 5323 |
| Japonoconger caribbeus Smith & Kanazawa, 1977 | Japonoconger caribbeus | 40789 |
| Muraena cassini Risso, 1810 | Ariosoma balearicum | 4453 |
| Bathycongrus castlei Smith & Ho, 2018 | Bathycongrus castlei | 129368 |
| Gnathophis castlei Karmovskaya & Paxton, 2000 | Gnathophis castlei | 54804 |
| Rhynchocymba catalinensis Wade, 1946 | Gnathophis cinctus | 50838 |
| Echelus caudilimbatus Poey, 1867 | Paraconger caudilimbatus | 12965 |
| Taenioconger chapmani Herre, 1923 | Heteroconger chapmani | 40966 |
| Atopichthys cinctus Garman, 1899 | Gnathophis cinctus | 12965 |
| Conger cinereus Rüppell, 1830 | Conger cinereus | 33390 |
| Conger cinereus (non Rüppell, 1830) | Conger marginatus | 86689 |
| Echelus ciuciara Rafinesque, 1810 | Ariosoma balearicum | 4453 |
| Heteroconger cobra Böhlke & Randall, 1981 | Heteroconger cobra | 6993 |
| Gnathophis codoniphorus Maul, 1972 | Gnathophis codoniphorus | 6521 |
| Thalassenchelys coheni Castle & Raju, 1975 | Congriscus megastoma | 37502 |
| Conger communis Costa, 1844 | Conger conger | 4453 |
| Muraena conger Linnaeus, 1758 | Conger conger | 4453 |
| Leptocephalus congroides D'Ancona, 1928 | Heteroconger congroides | 12541 |
| Xenomystax congroides Smith & Kanazawa, 1989 | Xenomystax congroides | 37039 |
| Ariosoma coquettei Smith & Kanazawa, 1977 | Ariosoma coquettei | 13608 |
| Leptocephalus cotroneii D'Ancona, 1928 | Gorgasia cotroneii | 12541 |
| Atopichthys dentatus Garman, 1899 | Chiloconger dentatus | 50529 |
| Helmichthys diaphanus Costa, 1844 | Ariosoma balearicum | 4453 |
| Taenioconger digueti Pellegrin, 1923 | Heteroconger digueti | 26282 |
| Ariosoma dolichopterum Karmovskaya, 2015 | Ariosoma dolichopterum | 128691 |
| Bathyuroconger dolichosomus Smith, Ho & Tashiro, 2018 | Bathyuroconger dolichosomus | 129617 |
| Paruroconger drachi Blache & Bauchot, 1976 | Uroconger drachi | 4453 |
| Pseudoxenomystax dubius Breder, 1927 | Bathycongrus dubius | 36656 |
| Bathymyrus echinorhynchus Alcock, 1889 | Bathymyrus echinorhynchus | 11854 |
| Leptocephalus eckmani Strömman, 1896 | Ariosoma balearicum | 56787 |
| Leptocephalus ectenurus Jordan & Richardson, 1909 | Rhynchoconger ectenurus | 7300 |
| Ariosoma emmae Smith & Ho, 2018 | Ariosoma emmae | 123550 |
| Leptocephalus enchodon Lea, 1913 | Rhynchoconger flavus | 123477 |
| Heteroconger enigmaticus Castle & Randall, 1999 | Heteroconger enigmaticus | 33408 |
| Leptocephalus erebennus Jordan & Snyder, 1901 | Conger erebennus | 26282 |
| Uroconger erythraeus Castle, 1982 | Uroconger erythraeus | 9942 |
| Conger esculentus Poey, 1861 | Conger esculentus | 12965 |
| Congrosoma evermanni Garman, 1899 | Congrosoma evermanni | 9292 |
| Poeciloconger fasciatus Günther, 1872 | Ariosoma fasciatum | 1602 |
| Cynoponticus ferox (non Costa, 1846) | Ariosoma anale | 4453 |
| Parabathymyrus fijiensis Karmovskaya, 2004 | Parabathymyrus fijiensis | 54804 |
| Congermuraena flava Goode & Bean, 1896 | Rhynchoconger flavus | 12965 |
| Conger flavipinnatus Bennett, 1832 | Conger cinereus | 33390 |
| Thalassenchelys foliaceus Castle & Raju, 1975 | Congriscus maldivensis | 118507 |
| Bathyuroconger fowleri Smith, Ho & Tashiro, 2018 | Bathyuroconger fowleri | 129617 |
| Heteroconger fugax Koeda, Fujii & Motomura, 2018 | Heteroconger fugax | 121479 |
| Gorgasia galzini Castle & Randall, 1999 | Gorgasia galzini | 33408 |
| Congrellus gilberti Ogilby, 1898 | Ariosoma gilberti | 26282 |
| Ariosoma gnanadossi Talwar & Mukherjee, 1977 | Ariosoma gnanadossi | 86975 |
| Ariosoma gracile Kodeeswaran, Kathirvelpandian, Mohapatra, Kumar & Sarkar, 2024 | Ariosoma gracile | 130865 |
| Bathycongrus graciliceps Smith & Ho, 2018 | Bathycongrus graciliceps | 129368 |
| Congrina gracilior Ginsburg, 1951 | Rhynchoconger gracilior | 12965 |
| Gnathophis grahami Karmovskaya & Paxton, 2000 | Gnathophis grahami | 46206 |
| Paraconger guianensis Kanazawa, 1961 | Paraconger guianensis | 26938 |
| Congromuraena guppyi Norman, 1925 | Rhynchoconger guppyi | 12965 |
| Leptocephalus gussoni Cocco, 1829 | Conger conger | 4453 |
| Heteroconger guttatus Allen, Erdmann & Mongdong, 2020 | Heteroconger guttatus | 121836 |
| Congromuraena guttulata Günther, 1887 | Bathycongrus guttulatus | 26165 |
| Congrus habenatus Richardson, 1848 | Gnathophis habenatus | 5323 |
| Nystactes halis Böhlke, 1957 | Heteroconger longissimus | 35505 |
| Xarifania hassi Klausewitz & Eibl-Eibesfeldt, 1959 | Heteroconger hassi | 7300 |
| Bathyuroconger hawaiiensis Smith, Ho & Tashiro, 2018 | Bathyuroconger hawaiiensis | 129617 |
| Gorgasia hawaiiensis Randall & Chess, 1980 | Gorgasia hawaiiensis | 33408 |
| Kenyaconger heemstrai Smith & Karmovskaya, 2003 | Kenyaconger heemstrai | 50529 |
| Thyreoconger hemiaspidus Wade, 1946 | Ariosoma hemiaspidus | 130576 |
| Myrophis heterognathos Bleeker, 1858 | Gnathophis heterognathos | 54804 |
| Lemkea heterolinea Kotthaus, 1968 | Gnathophis heterolinea | 40966 |
| Pseudoxenomystax hirsutus Castle, 1960 | Bassanago hirsutus | 7300 |
| Congermuraena howensis McCulloch & Waite, 1916 | Ariosoma howensis | 54804 |
| Conger impressus Poey, 1860 | Ariosoma balearicum | 4453 |
| Leptocephalus inaequalis Facciolà, 1883 | Conger conger | 4453 |
| Gnathophis incognitus Castle, 1963 | Gnathophis umbrellabius | 7300 |
| Ariosoma indicum Kodeeswaran, Kathirvelpandian, Acharya, Mohanty, Mohapatra, Kumar & Lal, 2022 | Ariosoma indicum | 130193 |
| Leptocephalus inferomaculatus Blache, 1977 | Gorgasia inferomaculata | 36656 |
| Leptocephalus inornatus Facciolà, 1883 | Ariosoma balearicum | 4453 |
| Gorgasia japonica Abe, Miki & Asai, 1977 | Gorgasia japonica | 33408 |
| Conger japonicus Bleeker, 1879 | Conger japonicus | 559 |
| Conger jordani Kanazawa, 1958 | Conger jordani | 40830 |
| Ariosoma kannani Kodeeswaran, Kathirvelpandian, Ray, Kumar, Mohapatra & Sarkar, 2024 | Ariosoma kannani | 130865 |
| Poeciloconger kapala Castle, 1990 | Ariosoma kapala | 75154 |
| Parabathymyrus karrerae Karmovskaya, 1991 | Parabathymyrus karrerae | 10907 |
| Gorgasia klausewitzi Quéro & Saldanha, 1995 | Gorgasia klausewitzi | 33408 |
| Taenioconger klausewitzi Eibl-Eibesfeldt & Köster, 1983 | Heteroconger klausewitzi | 12965 |
| Chiloconger labiatus Myers & Wade, 1941 | Chiloconger dentatus | 50529 |
| Pseudophichthys latedorsalis Roule, 1915 | Pseudophichthys splendens | 4453 |
| Scalanago lateralis Whitley, 1935 | Scalanago lateralis | 7300 |
| Heteroconger lentiginosus (non Böhlke & Randall, 1981) | Heteroconger fugax | 121479 |
| Heteroconger lentiginosus Böhlke & Randall, 1981 | Heteroconger lentiginosus | 33408 |
| Gnathophis leptosomatus Karrer, 1983 | Gnathophis leptosomatus | 40966 |
| Congrus lepturus Richardson, 1845 | Uroconger lepturus | 5323 |
| Leptocephalus lineatus Bonnaterre, 1788 | Conger conger | 4453 |
| Congromuraena longicauda (non Ramsay & Ogilby, 1888) | Bathycongrus guttulatus | 26165 |
| Congromuraena longicauda Alcock, 1889 | Bathycongrus macrocercus | 7446 |
| Congromuraena longicauda Ramsay & Ogilby, 1888 | Gnathophis longicauda | 7300 |
| Blachea longicaudalis Karmovskaya, 2004 | Blachea longicaudalis | 54804 |
| Bathycongrus longicavis Karmovskaya, 2009 | Bathycongrus longicavis | 80682 |
| Acromycter longipectoralis Karmovskaya, 2004 | Acromycter longipectoralis | 54804 |
| Heteroconger longissimus Günther, 1870 | Heteroconger longissimus | 4453 |
| Heteroconger luteolus Smith, 1989 | Heteroconger luteolus | 33408 |
| Conger macrocephalus Kanazawa, 1958 | Conger macrocephalus | 11039 |
| Congromuraena macrocercus (non Alcock, 1894) | Bathycongrus guttulatus | 26165 |
| Congromuraena macrocercus Alcock, 1894 | Bathycongrus macrocercus | 7446 |
| Parabathymyrus macrophthalmus Kamohara, 1938 | Parabathymyrus macrophthalmus | 559 |
| Gnathophis macroporis Karmovskaya & Paxton, 2000 | Gnathophis macroporis | 46206 |
| Conger macrops Günther, 1870 | Paraconger macrops | 6520 |
| Conger macrops (non Günther, 1870) | Paraconger notialis | 4453 |
| Rostroconger macrouriceps Smith, 2018 | Rostroconger macrouriceps | 129618 |
| Ophisoma macrurum Gilbert, 1891 | Bathycongrus macrurus | 26282 |
| Gorgasia maculata (non Klausewitz & Eibl-Eibesfeldt, 1959) | Gorgasia klausewitzi | 33390 |
| Gorgasia maculata Klausewitz & Eibl-Eibesfeldt, 1959 | Gorgasia maculata | 33164 |
| Leptocephalus maculatus Della Croce & Castle, 1966 | Heteroconger hassi | 33408 |
| Conger maldivensis Norman, 1939 | Congriscus maldivensis | 26165 |
| Conger marginatus Valenciennes, 1850 | Conger marginatus | 86689 |
| Congrogadus marginatus Vaillant & Sauvage, 1875 | Ariosoma marginatum | 36656 |
| Leptocephalus marginatus Kaup, 1856 | Ariosoma balearicum | 4453 |
| Congriscus marquesaensis Karmovskaya, 2004 | Congriscus marquesaensis | 54804 |
| Leptocephalus mauritianus Pappenheim, 1914 | Ariosoma mauritianum | 33390 |
| Congrellus meeki Jordan & Snyder, 1900 | Ariosoma meeki | 40789 |
| Ariosoma megalops Fowler, 1938 | Ariosoma megalops | 11039 |
| Congromuraena megastoma Günther, 1877 | Congriscus megastoma | 26282 |
| Gnathophis melanocoelus Karmovskaya & Paxton, 2000 | Gnathophis melanocoelus | 46206 |
| Ariosoma melanospilos Kodeeswaran, Jayakumar, Akash, Kumar & Lal, 2021 | Ariosoma melanospilos | 124214 |
| Bathycongrus melanostomus Huang, Ho, Chen & Chan, 2022 | Bathycongrus melanostomus | 127460 |
| Congromuraena mellissii Günther, 1870 | Ariosoma mellissii | 4453 |
| Heteroconger mercyae Allen & Erdmann, 2009 | Heteroconger mercyae | 82435 |
| Leptocephalus microphthalmus Beebe & Tee-Van, 1928 | Ariosoma balearicum | 4453 |
| Gnathophis microps Karmovskaya & Paxton, 2000 | Gnathophis microps | 46206 |
| Ariosoma minor Howell Rivero, 1934 | Ariosoma balearicum | 4453 |
| Leptocephalus morrisii Gmelin, 1789 | Conger conger | 4453 |
| Conger multidens Castelnau, 1855 | Conger orbignianus | 4453 |
| Ariosoma multivertebratum Karmovskaya, 2004 | Ariosoma multivertebratum | 54804 |
| Congromuraena musteliceps Alcock, 1894 | Gnathophis musteliceps | 40790 |
| Anguilla myriaster Brevoort, 1856 | Conger myriaster | 26282 |
| Muraena mystax Delaroche, 1809 | Gnathophis mystax | 6520 |
| Taenioconger naeocepaeus Böhlke, 1951 | Gorgasia naeocepaea | 33408 |
| Ariosoma nancyae Shen, 1998 | Ariosoma fasciatum | 34175 |
| Congromuraena nasica Alcock, 1894 | Bathycongrus nasicus | 7446 |
| Gnathophis nasutus Karmovskaya & Paxton, 2000 | Gnathophis nasutus | 46206 |
| Gnathophis neocaledoniensis Karmovskaya, 2004 | Gnathophis neocaledoniensis | 54804 |
| Promyllantor nezumi Asano, 1958 | Acromycter nezumi | 26282 |
| Pseudoxenomystax nielseni Karmovskaya, 1990 | Bassanago nielseni | 41744 |
| Muraena nigra Risso, 1810 | Conger conger | 6520 |
| Ariosoma nigrimanum Norman, 1939 | Ariosoma nigrimanum | 54621 |
| Macrocephenchelys nigriventris Lin, Shao & Smith, 2018 | Macrocephenchelys nigriventris | 129313 |
| Ophisoma nitens Jordan & Bollman, 1890 | Rhynchoconger nitens | 26282 |
| Paraconger notialis Kanazawa, 1961 | Paraconger notialis | 4453 |
| Leptocephalus nystromi Jordan & Snyder, 1901 | Gnathophis nystromi | 58302 |
| Rhynchocymba nystromi ginanago Asano, 1958 | Gnathophis ginanago | 26282 |
| Arisoma nystromi xenica Matsubara & Ochiai, 1951 | Gnathophis xenica | 26282 |
| Xarifania obscura Klausewitz & Eibl-Eibesfeldt, 1959 | Heteroconger obscurus | 33408 |
| Anguilla obtusa Swainson, 1839 | Conger conger | 56787 |
| Atopichthys obtusus Garman, 1899 | Chiloconger dentatus | 50529 |
| Ariosoma obud Herre, 1923 | Ariosoma obud | 12748 |
| Anguilla oceanica Mitchill, 1818 | Conger oceanicus | 12965 |
| Uranoconger odontostomus Fowler, 1934 | Bathycongrus odontostomus | 36324 |
| Conger oligoporus Kanazawa, 1958 | Conger oligoporus | 40789 |
| Atopichthys ophichthys Garman, 1899 | Paraconger ophichthys | 46206 |
| Ariosoma ophidiophthalmus Karmovskaya, 1991 | Ariosoma ophidiophthalmus | 10907 |
| Conger opistophthalmus Ranzani, 1839 | Ariosoma opistophthalmum | 56787 |
| Conger orbignianus Valenciennes, 1837 | Conger orbignianus | 58462 |
| Parabathymyrus oregoni Smith & Kanazawa, 1977 | Parabathymyrus oregoni | 26282 |
| Myrus pachyrhynchus (non Vaillant, 1888) | Pseudophichthys splendens | 4453 |
| Bathycongrus parapolyporus Karmovskaya, 2009 | Bathycongrus parapolyporus | 80682 |
| Gnathophis parini Karmovskaya, 1990 | Gnathophis parini | 41744 |
| Silvesterina parvibranchialis (non Fowler, 1934) | Bathyuroconger fowleri | 129617 |
| Silvesterina parvibranchialis Fowler, 1934 | Bathyuroconger parvibranchialis | 36656 |
| Bathycongrus parviporus Karmovskaya, 2011 | Bathycongrus parviporus | 87633 |
| Heteroconger pellegrini Castle, 1999 | Heteroconger pellegrini | 33408 |
| Ophidium pellucidum Couch, 1832 | Conger conger | 4453 |
| Heteroconger perissodon Böhlke & Randall, 1981 | Heteroconger perissodon | 8912 |
| Ariosoma perturbator Parr, 1932 | Acromycter perturbator | 40966 |
| Chiloconger philippinensis Smith & Karmovskaya, 2003 | Chiloconger philippinensis | 50529 |
| Parabathymyrus philippinensis Ho, Smith & Shao, 2015 | Parabathymyrus philippinensis | 106113 |
| Conger philippinus Kanazawa, 1958 | Conger philippinus | 11039 |
| Rhechias polypora Smith & Kanazawa, 1977 | Bathycongrus polyporus | 40789 |
| Diploconger polystigmatus Kotthaus, 1968 | Diploconger polystigmatus | 7300 |
| Heteroconger polyzona Bleeker, 1868 | Heteroconger polyzona | 33408 |
| Gorgasia preclara Böhlke & Randall, 1981 | Gorgasia preclara | 33408 |
| Ophisoma prorigerum Gilbert, 1891 | Ariosoma prorigerum | 40789 |
| Gorgasia punctata Meek & Hildebrand, 1923 | Gorgasia punctata | 9292 |
| Promyllantor purpureus Alcock, 1890 | Promyllantor purpureus | 40790 |
| Bathycongrus randalli Ben-Tuvia, 1993 | Bathycongrus retrotinctus | 36324 |
| Rhynchoconger randalli Acharya, Mohanty, Ray, Mishra & Mohapatra, 2022 | Rhynchoconger randalli | 129532 |
| Leptocephalus retrotinctus Jordan & Snyder, 1901 | Bathycongrus retrotinctus | 7446 |
| Leptocephalus rex Eigenmann & Kennedy, 1902 | Ariosoma balearicum | 4453 |
| Congrellus roosendaali Weber & de Beaufort, 1916 | Bathycongrus guttulatus | 36324 |
| Conger rubescens Ranzani, 1839 | Conger conger | 6520 |
| Leptocephalus sanzoi D'Ancona, 1928 | Ariosoma sanzoi | 93002 |
| Ariosoma sazonovi Karmovskaya, 2004 | Ariosoma sazonovi | 54804 |
| Leptocephalus scheelei (non Strömman, 1896) | Ariosoma balearicum | 4453 |
| Leptocephalus scheelei Strömman, 1896 | Ariosoma scheelei | 7300 |
| Promyllantor schmitti Hildebrand, 1940 | Pseudophichthys splendens | 4453 |
| Ariosoma selenops Reid, 1934 | Ariosoma selenops | 5217 |
| Ariosoma sereti Karmovskaya, 2004 | Ariosoma sereti | 54804 |
| Alloconger shiroanago major Asano, 1958 | Ariosoma majus | 26282 |
| Alloconger shiroanago shiroanago Asano, 1958 | Ariosoma shiroanago | 26282 |
| Gorgasia sillneri Klausewitz, 1962 | Gorgasia sillneri | 33408 |
| Chiloconger similis Wade, 1946 | Paraconger similis | 9292 |
| Bathymyrus simus Smith, 1965 | Bathymyrus simus | 11039 |
| Arisoma sivicola Matsubara & Ochiai, 1951 | Japonoconger sivicolus | 36656 |
| Bathymyrus smithi Castle, 1968 | Bathymyrus smithi | 5323 |
| Gnathophis smithi Karmovskaya, 1990 | Gnathophis smithi | 41744 |
| Rhynchoconger smithi Mohapatra, Ho, Acharya, Ray & Mishra, 2022 | Rhynchoconger smithi | 130180 |
| Macrocephenchelys soela Castle, 1990 | Macrocephenchelys soela | 87005 |
| Ariosoma sokotranum Karmovskaya, 1991 | Ariosoma sokotranum | 10907 |
| Ariosoma somaliense Kotthaus, 1968 | Ariosoma balearicum | 4453 |
| Leptocephalus spallanzani Risso, 1810 | Conger conger | 4453 |
| Leptocephalus splendens Lea, 1913 | Pseudophichthys splendens | 4453 |
| Congromuraena squaliceps Alcock, 1894 | Rhynchoconger squaliceps | 40790 |
| Leptocephalus stenops Kaup, 1856 | Conger conger | 4453 |
| Bathycongrus stimpsoni Fowler, 1934 | Bathycongrus guttulatus | 36324 |
| Macrocephenchelys sumodi Kodeeswaran, Smith, Kumar & Sarkar, 2023 | Macrocephenchelys sumodi | 129311 |
| Uroconger syringinus Ginsburg, 1954 | Uroconger syringinus | 4453 |
| Leptocephalus taenia Kaup, 1856 | Ariosoma balearicum | 4453 |
| Gorgasia taiwanensis Shao, 1990 | Gorgasia taiwanensis | 33408 |
| Congrhynchus talabonoides Fowler, 1934 | Congrhynchus talabonoides | 40789 |
| Heteroconger taylori Castle & Randall, 1995 | Heteroconger taylori | 33408 |
| Gorgasia thamani Greenfield & Niesz, 2004 | Gorgasia thamani | 58269 |
| Congrina thysanochila Reid, 1934 | Bathycongrus thysanochilus | 26282 |
| Heteroconger tomberua Castle & Randall, 1999 | Heteroconger tomberua | 33408 |
| Rhynchoconger trewavasae Ben-Tuvia, 1993 | Rhynchoconger trewavasae | 7446 |
| Heteroconger tricia Castle & Randall, 1999 | Heteroconger tricia | 33408 |
| Leptocephalus trilineatus Castle, 1964 | Bathycongrus trilineatus | 40790 |
| Bathycongrus trimaculatus Karmovskaya & Smith, 2008 | Bathycongrus trimaculatus | 79665 |
| Conger triporiceps Kanazawa, 1958 | Conger triporiceps | 7251 |
| Gnathophis tritos Smith & Kanazawa, 1977 | Gnathophis tritos | 40828 |
| Xenomystax trucidans Alcock, 1894 | Xenomystax trucidans | 30828 |
| Bathycongrus unimaculatus Karmovskaya, 2009 | Bathycongrus unimaculatus | 80682 |
| Uroconger varidens Garman, 1899 | Bathycongrus varidens | 26282 |
| Conger verreauxi Kaup, 1856 | Conger verreauxi | 9285 |
| Conger verus Risso, 1827 | Conger conger | 6520 |
| Uroconger vicinalis Garman, 1899 | Bathycongrus vicinalis | 40789 |
| Uroconger vicinus (non Vaillant, 1888) | Bathycongrus vicinalis | 40828 |
| Uroconger vicinus Vaillant, 1888 | Bathyuroconger vicinus | 4453 |
| Uroconger vicinus (non Vaillant, 1888) | Uroconger syringinus | 4453 |
| Bathycongrus villosus Smith, Karmovskaya & da Silva, 2020 | Bathycongrus villosus | 123144 |
| Leptocephalus vitreus Kölliker, 1853 | Conger conger | 4453 |
| Conger vulgaris Yarrell, 1832 | Conger conger | 6520 |
| Congrina wallacei Castle, 1968 | Bathycongrus wallacei | 5323 |
| Gymnothorax wilsoni Bloch & Schneider, 1801 | Conger wilsoni | 5323 |
| Blachea xenobranchialis Karrer & Smith, 1980 | Blachea xenobranchialis | 56403 |