Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Genera in the family or subfamily Ophichthidae: [ 127 ] records

Acanthenchelys Norman [J. R.] 1922:296 Fem. Acanthenchelys spinicauda Norman 1922. Type by subsequent designation. Type designated by Jordan 1923:133 [ref. 2421] with author of type wrongly as Regan. •Synonym of Ophichthus Thunberg 1787 -- (Kottelat 2013:46 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:80 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Achirophichthys Bleeker [P.] 1864:35, 39 Masc. Achirophichthys typus Bleeker 1864. Type by original designation (also by monotypy and use of typus). Misspelled Achirophthichthys in Zoological Record for 1864. Auchenichthys Kaup in Duméril 1856:198 [ref. 1154] apparently the same but not available. Also in Bleeker 1865:41 [ref. 408]. •Valid as Achirophichthys Bleeker 1864 -- (McCosker 1977:65 [ref. 6836], Allen 1991:42 [ref. 21090]). •Synonym of Brachysomophis Kaup 1856 -- (McCosker & Randall 2001:3 [ref. 25635], Kottelat 2013:44 [ref. 32989]). Current status: Synonym of Brachysomophis Kaup 1856. Ophichthidae: Ophichthinae.

Ahlia Jordan [D. S.] & Davis [B. M.] 1891:639 Fem. Myrophis egmontis Jordan 1884. Type by original designation (also monotypic). •Valid as Ahlia Jordan & Davis 1891 -- (McCosker et al. 1989:272 [ref. 13288], McCosker 2003:732 [ref. 26993], McCosker et al. 2012:1191 [ref. 32371]). Current status: Valid as Ahlia Jordan & Davis 1891. Ophichthidae: Myrophinae.

Allips McCosker [J. E.] 1972:116 Masc. Allips concolor McCosker 1972. Type by original designation (also monotypic). •Valid as Allips McCosker 1872 -- (McCosker 1977:70 [ref. 6836], McCosker et al. 1989:298 [ref. 13288], Smith & McCosker 1999:1666 [ref. 24715], McCosker et al. 2006:265 [ref. 29006], McCosker et al. 2006:265 [ref. 29006], Kottelat 2013:43 [ref. 32989]). Current status: Valid as Allips McCosker 1972. Ophichthidae: Ophichthinae.

Anepistomon Gistel [J.] 1848:IX Neut. Leptorhynchus capensis Smith 1840. Type by being a replacement name. Replacement for Leptorhynchus Smith 1840, preoccupied by Leptorhynchus Clift 1828 in Reptilia, Du Bus 1835 and Ménetriés 1835 in Aves. •Synonym of Ophisurus Lacepède 1800 -- (Blache et al. 1973:249 [ref. 7185], McCosker 1977:82 [ref. 6836]). Current status: Synonym of Ophisurus Lacepède 1800. Ophichthidae: Ophichthinae.

Anguisurus Kaup [J. J.] 1856:50 Masc. Anguisurus punctulatus Kaup 1856. Type by monotypy. Also in Kaup 1857:24 [ref. 2573] and with genus and species as name only in Kaup in Duméril 1856:199 [ref. 1154]. •Synonym of Lamnostoma Kaup 1856 -- (McCosker 1977:68 [ref. 6836], Kottelat 2013:44 [ref. 32989], Chiu et al. 2018:20 [ref. 36033]). Current status: Synonym of Lamnostoma Kaup 1856. Ophichthidae: Ophichthinae.

Antobrantia Pinto [S. Y.] 1970:13 Fem. Antobrantia ribeiroi Pinto 1970. Type by original designation (also monotypic). •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:46 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (McCosker 1977:80 [ref. 6836], Böhlke & Menezes 1977:786 [ref. 5524], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:575 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Aotea Phillipps [W. J.] 1926:533 Fem. Aotea acus Phillipps 1926. Type by monotypy. •Synonym of Muraenichthys Bleeker 1853 -- (Castle 1976:365 [ref. 11394], McCosker 1977:58 [ref. 6836] with question, McCosker et al. 1989:256 [ref. 13288]). •Synonym of Scolecenchelys Ogilby 1897 -- (Castle & McCosker 1999:121 [ref. 24075]). Current status: Synonym of Scolecenchelys Ogilby 1897. Ophichthidae: Myrophinae.

Aplatophis Böhlke [J. E.] 1956:1 Masc. Aplatophis chauliodus Böhlke 1956. Type by original designation (also monotypic). •Valid as Aplatophis Böhlke 1956 -- (McCosker 1977:74 [ref. 6836], McCosker et al. 1989:354 [ref. 13288], McCosker & Robertson 2001:14 [ref. 25776], McCosker 2003:732 [ref. 26993]). Current status: Valid as Aplatophis Böhlke 1956. Ophichthidae: Ophichthinae.

Aprognathodon Böhlke [J. E.] 1967:99 Masc. Aprognathodon platyventris Böhlke 1967. Type by original designation (also monotypic). •Valid as Aprognathodon Böhlke 1967 -- (McCosker 1977:62 [ref. 6836], Leiby 1984:401 [ref. 12859], McCosker et al. 1989:300 [ref. 13288], McCosker 2003:732 [ref. 26993]). Current status: Valid as Aprognathodon Böhlke 1967. Ophichthidae: Ophichthinae.

Apterichthys Kaup [J. J.] in Duméril 1856:201 Masc. Not available, name only without description or indication as "Apterichthys caecus" in list of genera and species taken from Kaup manuscript. Apparently intended for Apterichtus. This spelling used by Bleeker 1864:36 [ref. 4860]. •In the synonymy of Apterichtus Duméril 1805. Nomen Nudum. Current status: Synonym of Apterichtus Duméril 1805. Ophichthidae: Ophichthinae.

Apterichtus Duméril [A. M. C.] 1805:112, 331 Masc. Caecilia branderiana Lacepède 1800 (= Muraena caeca Linnaeus 1758). Type by being a replacement name. Replacement for Caecilia Lacepède 1800, preoccupied. As Aptérichthe Duméril on p. 112, but latinized on p. 331. Spelled Apterichtes and Apterichthys by authors. •Valid as Apterichtus Duméril 1805 -- (Blache et al. 1973:248 [ref. 7185], McCosker 1977:65 [ref. 6836], Bauchot in Whitehead et al. 1986:578 [ref. 13676], McCosker & Castle 1986:177 [ref. 5690], McCosker et al. 1989:317 [ref. 13288], McCosker & Randall 1993:190 [ref. 20826], Machida & Ohta 1994:1 [ref. 21444], Smith & McCosker 1999:1665 [ref. 24715], McCosker 2003:732 [ref. 26993], McCosker et al. 2006:266 [ref. 29006], Fricke et al. 2009:18 [ref. 30213], Lipej & Dulčić 2010:18 [ref. 36649] as Apterichthus, Hibino et al. 2014:[1] [ref. 33212], McCosker & Hibino 2015:50 [ref. 33725], McCosker & Stewart 2015:251 [ref. 34235], Hibino et al. 2016:146 [ref. 34475], Hibino 2018:219 [ref. 36341], Brown et al. 2019:156 [ref. 36444]). Current status: Valid as Apterichtus Duméril 1805. Ophichthidae: Ophichthinae.

Asarcenchelys McCosker [J. E.] 1985:12 Fem. Asarcenchelys longimanus McCosker 1985. Type by original designation (also monotypic). •Valid as Asarcenchelys McCosker 1985 -- (McCosker et al. 1989:276 [ref. 13288], McCosker 2003:732 [ref. 26993], McCosker et al. 2012:1191 [ref. 32371]). Current status: Valid as Asarcenchelys McCosker 1985. Ophichthidae: Myrophinae.

Auchenichthys Kaup [J. J.] in Duméril 1856:198 Masc. Auchenichthys typus Duméril 1856. Not available; name only as "Auchenichthys typus" in list of genera and species taken from Kaup manuscript. Later named Achirophichthys by Bleeker 1864. •In the synonymy of Brachysomophis Kaup 1856. Nomen Nudum. Current status: Synonym of Brachysomophis Kaup 1856. Ophichthidae: Ophichthinae.

Bascanichthys Jordan [D. S.] & Davis [B. M.] 1891:621 Masc. Caecula bascanium Jordan 1884. Type by original designation. •Valid as Bascanichthys Jordan & Davis 1891 -- (McCosker 1977:70 [ref. 6836], McCosker & Castle 1986:177 [ref. 5690], McCosker et al. 1989:329 [ref. 13288], Smith & McCosker 1999:1666 [ref. 24715], McCosker 2003:732 [ref. 26993], McCosker et al. 2006:266 [ref. 29006], Zhang et al. 2010:373 [ref. 31511], Kottelat 2013:44 [ref. 32989], Moreno et al. 2016:7 [ref. 35398], Fricke et al. 2018:42 [ref. 35805], Hibino et al. 2022:103 [ref. 39627]). Current status: Valid as Bascanichthys Jordan & Davis 1891. Ophichthidae: Ophichthinae.

Benthenchelys Fowler [H. W.] 1934:267 Fem. Benthenchelys cartieri Fowler 1934. Type by original designation (also monotypic). •Valid as Benthenchelys Fowler 1934 -- (Castle 1972 [ref. 6968], McCosker 1977:57 [ref. 6836], McCosker et al. 1989:271 [ref. 13288], Smith & McCosker 1999:1663 [ref. 24715], McCosker et al. 2012:1190 [ref. 32371]). Current status: Valid as Benthenchelys Fowler 1934. Ophichthidae: Myrophinae.

Bertinulus Whitley [G. P.] 1948:73 Masc. Oxystomus hyalinus Rafinesque 1810. Type by being a replacement name. •Not a serrivomerid -- (Tighe 1989:618 [ref. 13291]). Current status: Uncertain. Ophichthidae: Ophichthinae.

Brachycheirophis Fowler [H. W.] 1944:190 Masc. Pisoodonophis daspilotus Gilbert 1898. Type by original designation (also monotypic). Correct spelling for genus of type species is Pisodonophis. •Synonym of Pisodonophis Kaup 1856 -- (McCosker 1977:83 [ref. 6836], Castle 1984:38 [ref. 6171], Castro-Aguirre et al. 1999:98 [ref. 24550]). Current status: Synonym of Pisodonophis Kaup 1856. Ophichthidae: Ophichthinae.

Brachysomophis Kaup [J. J.] 1856:45 Masc. Brachysomophis horridus Kaup 1856. Type by monotypy. Also appeared in Kaup 1857:9 [ref. 2573]. See also Dendrophis. •Valid as Brachysomophis Kaup 1856 -- (McCosker 1977:74 [ref. 6836], Asano in Masuda et al. 1984:31 [ref. 6441], McCosker & Castle 1986:178 [ref. 5690], Paxton et al. 1989:116 [ref. 12442], McCosker et al. 1989:298 [ref. 13288], Smith & McCosker 1999:1665 [ref. 24715], McCosker & Randall 2001:3 [ref. 25635], McCosker et al. 2006:266 [ref. 29006], Fricke et al. 2009:19 [ref. 30213], Zhang et al. 2010:361 [ref. 31511], Kottelat 2013:44 [ref. 32989], McCosker & Ho 2014:96 [ref. 33573], Fricke et al. 2018:42 [ref. 35805], Golani & Fricke 2018:27 [ref. 36273], Fricke et al. 2019:53 [ref. 36673]). Current status: Valid as Brachysomophis Kaup 1856. Ophichthidae: Ophichthinae.

Branderius Rafinesque [C. S.] 1815:93 Masc. Caecilia branderiana Lacepède 1800 (= Muraena caeca Linnaeus 1758). Type by being a replacement name. As "Branderius R. [Rafinesque] Cecilia Lac. [Lacepède]." Available replacement for Caecilia Lacepède 1800 (preoccupied by Caecilia Linnaeus 1758 in Amphibia); earlier replaced by Typhlotes Fischer von Waldheim 1813. •Synonym of Apterichtus Duméril 1805 -- (Blache et al. 1973:248 [ref. 7185], McCosker 1977:65 [ref. 6836], McCosker et al. 1989:318 [ref. 13288], McCosker & Hibino 2015:50 [ref. 33725]). Current status: Synonym of Apterichtus Duméril 1805. Ophichthidae: Ophichthinae.

Caecilia Lacepède [B. G. E.] 1800:134 Fem. Caecilia branderiana Lacepède 1800 (= Muraena caeca Linnaeus 1758). Type by monotypy. Objectively invalid; preoccupied by Caecilia Linnaeus 1758 in Amphibia; replaced by Typhlotes Fischer von Waldheim 1813 and by Branderius Rafinesque 1815. •Synonym of Apterichtus Duméril 1805 -- (Blache et al. 1973:248 [ref. 7185], McCosker 1977:65 [ref. 6836], McCosker et al. 1989:317 [ref. 13288], McCosker et al. 2006:266 [ref. 29006], McCosker & Hibino 2015:50 [ref. 33725]). 1°Homonym. Current status: Synonym of Apterichtus Duméril 1805. Ophichthidae: Ophichthinae.

Caecula Vahl [M.] 1794:149 Fem. Caecula pterygera Vahl 1794. Type by subsequent designation. Type designated by Jordan 1917:52 [ref. 2407] or Smith 1965 [ref. 4132]; for discussion of type species and a translation of Vahl's original description see Smith 1965:715-717. •Valid as Caecula Vahl 1794 -- (Böhlke & McCosker 1975:3 [ref. 607], McCosker 1977:66 [ref. 6836], McCosker et al. 1989:297 [ref. 13288], Smith & McCosker 1999:1665 [ref. 24715], Zhang et al. 2010:371 [ref. 31511]). Current status: Valid as Caecula Vahl 1794. Ophichthidae: Ophichthinae.

Calamuraena Whitley [G. P.] 1944:261 Fem. Ophichthys calamus Günther 1870. Type by original designation (also monotypic). •Synonym of Cirrhimuraena Kaup 1856 -- (McCosker 1977:75 [ref. 6836], Kottelat 2013:44 [ref. 32989]). Current status: Synonym of Cirrhimuraena Kaup 1856. Ophichthidae: Ophichthinae.

Callechelys Kaup [J. J.] 1856:51 Fem. Callechelys guichenoti Kaup 1856. Type by monotypy. Also in Kaup 1857:28 [ref. 2573] and as name only in Kaup in Duméril 1856:199 [ref. 1154]. •Valid as Callechelys Kaup 1856 -- (McCosker 1977:62 [ref. 6836], Asano in Masuda et al. 1984:30 [ref. 6441], Leiby 1984:404 [ref. 12859], McCosker & Castle 1986:178 [ref. 5690], Paxton et al. 1989:116 [ref. 12442], McCosker et al. 1989:303 [ref. 13288], McCosker 1998:188 [ref. 23298], Castro-Aguirre et al. 1999:98 [ref. 24550], Smith & McCosker 1999:1665 [ref. 24715], McCosker 2003:732 [ref. 26993], McCosker et al. 2006:267 [ref. 29006], Fricke et al. 2009:19 [ref. 30213], Zhang et al. 2010:375 [ref. 31511], McCosker et al. 2011:273 [ref. 31452], Fricke et al. 2018:43 [ref. 35805], Golani & Fricke 2018:27 [ref. 36273], Brown et al. 2019:156 [ref. 36444]). Current status: Valid as Callechelys Kaup 1856. Ophichthidae: Ophichthinae.

Caralophia Böhlke [J. E.] 1955:1 Fem. Caralophia loxochila Böhlke 1955. Type by original designation (also monotypic). •Valid as Caralophia Böhlke 1955 -- (McCosker 1977:71 [ref. 6836], McCosker et al. 1989:338 [ref. 13288], McCosker 2003:732 [ref. 26993]). Current status: Valid as Caralophia Böhlke 1955. Ophichthidae: Ophichthinae.

Centrurophis Kaup [J. J.] 1856:42 Masc. Ophisurus cephalozona Bleeker 1856. Type by subsequent designation. Type designated as spadiu by Jordan & Evermann 1896:381 [ref. 2443]. Also appeared in Kaup 1857:2 [ref. 2573] and as name only in Kaup in Duméril 1856 [ref. 1154]. Type species spadicus was misdentified; name dermined by Kottelat (2013) as cephalozona on Art. 70.3.2. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Ophichthus Ahl 1789, but a valid subgenus Centrurophis -- (McCosker 1977:79, 81 [ref. 6836]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Chauligenion McCosker [J. E.] & Okamoto [M.] 2016:322 Neut. Chauligenion camelopardalis McCosker & Okamoto 2016. Type by original designation (also monotypic). •Valid as Chauligenion McCosker & Okamoto 2016. Current status: Valid as Chauligenion McCosker & Okamoto 2016. Ophichthidae: Ophichthinae.

Chlevastes Jordan [D. S.] & Snyder [J. O.] 1901:867 Masc. Muraena colubrina Boddaert 1781. Type by original designation (also monotypic). •Synonym of Myrichthys Girard 1859 -- (McCosker 1977:78 [ref. 6836], McCosker et al. 1989:372 [ref. 13288], McCosker & Rosenblatt 1993:154 [ref. 21180], Zhang et al. 2010:366 [ref. 31511]). Current status: Synonym of Myrichthys Girard 1859. Ophichthidae: Ophichthinae.

Cirrhimuraena Kaup [J. J.] 1856:51 Fem. Cirrhimuraena chinensis Kaup 1856. Type by monotypy. Also in Kaup 1857:27 [ref. 2573] and as name only in Kaup in Duméril 1856:199 [ref. 1154]. •Valid as Cirrhimuraena Kaup 1856 -- (McCosker 1977:75 [ref. 6836], McCosker & Castle 1986:178 [ref. 5690], Paxton et al. 1989:116 [ref. 12442], McCosker et al. 1989:298 [ref. 13288], Kuang in Pan et al. 1991:59 [ref. 23876], Smith & McCosker 1999:1665 [ref. 24715], McCosker et al. 2006:268 [ref. 29006], Zhang et al. 2010:358 [ref. 31511], Kottelat 2013:44 [ref. 32989], Fricke et al. 2018:43 [ref. 35805], Golani & Fricke 2018:27 [ref. 36273], Mohapatra et al. 2021:1363 [ref. 38101], Mohanty et al. 2023:575 [ref. 40294]). Current status: Valid as Cirrhimuraena Kaup 1856. Ophichthidae: Ophichthinae.

Cirricaecula Schultz [L. P.] in Schultz et al. 1953:49 Fem. Cirricaecula johnsoni Schultz 1953. Type by original designation (also monotypic). •Valid as Cirricaecula Schultz 1953 -- (McCosker 1977:67 [ref. 6836], McCosker et al. 1989:297 [ref. 13288], McCosker & Randall 1993:189 [ref. 20826], Smith & McCosker 1999:1664 [ref. 24715]). Current status: Valid as Cirricaecula Schultz 1953. Ophichthidae: Ophichthinae.

Coecilophis Kaup [J. J.] 1856:44 Masc. Ophisurus compar Richardson 1848. Type by monotypy. Also appeared in Kaup 1857:6 [ref. 2573] and in Kaup in Duméril 1856:198 [ref. 1154]. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). •Synonym of Ophichthus Ahl 1789, but a valid subgenus Coecilophis -- (McCosker 1977:80, 81 [ref. 6836], McCosker 2010:2 [ref. 30840], McCosker et al. 2012:6 [ref. 31982]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Cogrus Rafinesque [C. S.] 1810:62 Fem. Cogrus maculatus Rafinesque 1810. Type by monotypy. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:79 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Colubrina Lacepède [B. G. E.] 1803:40 Fem. Colubrina chinensis Lacepède 1803. Type by monotypy. Colubrinus is a misspelling. Possibly fictitious, based on an unidentified Chinese painting. Current status: Uncertain. Ophichthidae.

Crotalopsis Kaup [J. J.] 1859:12 Fem. Crotalopsis punctifer Kaup 1859. Type by monotypy. Misspelled Crotalopis by Jordan 1919:297 [ref. 4904]. •Synonym of Echiophis Kaup 1856 -- (McCosker 1977:76 [ref. 6836], McCosker et al. 1989:357 [ref. 13288]). Current status: Synonym of Echiophis Kaup 1856. Ophichthidae: Ophichthinae.

Cryptopterenchelys (subgenus of Ophichthus) Fowler [H. W.] 1925:1 Fem. Cryptopterus puncticeps Kaup 1859. Type by being a replacement name. Apparently an unneeded replacement for Cryptopterus Kaup 1860; apparently not preoccupied by Cryptopterus Bleeker 1860 [relative dates in 1860 not researched], an emendation of Kryptopterus Bleeker 1858. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:46 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:80 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Cryptopterus Kaup [J. J.] 1859:11 Masc. Cryptopterus puncticeps Kaup 1859. Type by monotypy. See also Cryptopterus Bleeker 1860, perhaps an unjustified emendation of Kryptopterus Bleeker 1857; Cryptopterus Günther 1864 definitely is an unjustified emendation but is later than Cryptopterus Kaup. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:80 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Cryptopterygium Ginsburg [I.] 1951:482 Neut. Cryptopterygium holochroma Ginsburg 1951. Type by original designation (also monotypic). •Synonym of Callechelys Kaup 1856 -- (McCosker 1977:62 [ref. 6836], McCosker et al. 1989:303 [ref. 13288], McCosker 1998:188 [ref. 23298], Zhang et al. 2010:375 [ref. 31511], McCosker et al. 2011:273 [ref. 31452]). Current status: Synonym of Callechelys Kaup 1856. Ophichthidae: Ophichthinae.

Cyclophichthys (subgenus of Malvoliophis) Whitley [G. P.] 1951:392 Masc. Ophichthus cyclorhinus Fraser-Brunner 1934. Type by original designation (also monotypic). •Synonym of Elapsopis Kaup 1856 -- (McCosker 1977:77 [ref. 6836]). •Synonym of Leiuranus Bleeker 1852 based on placement of the type species. Current status: Synonym of Leiuranus Bleeker 1852. Ophichthidae: Ophichthinae.

Dalophis Rafinesque [C. S.] 1810:68 Masc. Dalophis serpa Rafinesque 1810. Type by subsequent designation. Spelled Dalaphis on legend page (p. 100) and on Pl. VII. Two species; earliest first reviser not researched; perhaps type first designated by Jordan 1917:81 [ref. 2407], but Fowler (MS) says type is bimaculata. •Valid as Dalophis Rafinesque 1810 -- (Blache et al. 1973:249 [ref. 7185], McCosker 1977:71 [ref. 6836], Castle 1984:38 [ref. 6171], Bauchot in Whitehead et al. 1986:579 [ref. 13676], McCosker et al. 1989:298 [ref. 13288], Bauchot in Lévêque et al. 1990:92 [ref. 21589], Vreven & De Vos 2007:181 [ref. 30015], Lipej & Dulčić 2010:18 [ref. 36649] as Dalophys). Current status: Valid as Dalophis Rafinesque 1810. Ophichthidae: Ophichthinae.

Dendrophis Kaup [J. J.] in Duméril 1856:199 Masc. Dendrophis horridus Kaup 1856. Not available; name only, as Dendrophis horridus, apparently for Brachysomophis horridus. •In the synonymy of Brachysomophis Kaup 1856 -- (Kottelat 2013:44 [ref. 32989]). Nomen Nudum. Current status: Synonym of Brachysomophis Kaup 1856. Ophichthidae: Ophichthinae.

Echelus Rafinesque [C. S.] 1810:63 Masc. Echelus punctatus Rafinesque 1810. Type by subsequent designation. Type designated by Bleeker 1864:20 [ref. 4860] and 1865:117 [ref. 409]. •Valid as Echelus Rafinesque 1810 -- (Blache et al. 1973:245 [ref. 7185], McCosker 1977:75 [ref. 6836], Karrer 1982:76 [ref. 5679], Asano in Masuda et al. 1984:30 [ref. 6441], Bauchot in Whitehead et al. 1986:580 [ref. 13676], McCosker et al. 1989:298 [ref. 13288], Smith & McCosker 1999:1667 [ref. 24715], McCosker et al. 2006:268 [ref. 29006], Lipej & Dulčić 2010:18 [ref. 36649], Zhang et al. 2010:326 [ref. 31511], Shinohara et al. 2011:39 [ref. 31715], McCosker & Ho 2015:71 [ref. 34123], Fricke et al. 2018:43 [ref. 35805]). Current status: Valid as Echelus Rafinesque 1810. Ophichthidae: Ophichthinae.

Echiophis Kaup [J. J.] 1856:46 Masc. Ophisurus intertinctus Richardson 1848. Type by monotypy. Also in Kaup 1857:13 [ref. 2573] and as Kaup in Duméril 1856:198 [ref. 1154] but as Echiopsis [which technically must be treated as a misspelling on p. 13 [ref. 2573]]; Echiopsis also preoccupied by Echiopsis Fitzinger 1843 in Reptilia. •Valid as Echiophis Kaup 1856 -- (McCosker 1977:76 [ref. 6836], McCosker et al. 1989:357 [ref. 13288], McCosker 2003:732 [ref. 26993]). Current status: Valid as Echiophis Kaup 1856. Ophichthidae: Ophichthinae.

Elapsopis Kaup [J. J.] 1856:45 Fem. Ophisurus versicolor Richardson 1848. Type by monotypy. Also appeared as Elapsopsis in Kaup 1857:10 [ref. 2573] and in Kaup in Duméril 1856:199 [ref. 1154]. •Valid as Elapsopis Kaup 1856 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:77 [ref. 6836], Paxton et al. 1989:116 [ref. 12442], Smith & McCosker 1999:1667 [ref. 24715]). •Synonym of Leiuranus Bleeker 1852 (often dated 1853) -- (McCosker et al. 1989:354 [ref. 13288], McCosker et al. 2006:269 [ref. 29006] based on placement of the type species). Current status: Synonym of Leiuranus Bleeker 1852. Ophichthidae: Ophichthinae.

Ethadophis Rosenblatt [R. H.] & McCosker [J. E.] 1970:498 Masc. Ethadophis byrnei Rosenblatt & McCosker 1970. Type by original designation. •Valid as Ethadophis Rosenblatt & McCosker 1970 -- (McCosker 1977:72 [ref. 6836], McCosker & Böhlke 1984:40 [ref. 5316], McCosker et al. 1989:341 [ref. 13288], McCosker 2003:732 [ref. 26993], •McCosker 2006:737 [ref. 29103]). Current status: Valid as Ethadophis Rosenblatt & McCosker 1970. Ophichthidae: Ophichthinae.

Evips McCosker [J. E.] 1972:113 Masc. Evips percinctus McCosker 1972. Type by original designation (also monotypic). •Valid as Evips McCosker 1972 -- (McCosker 1977:77 [ref. 6836], McCosker et al. 1989:298 [ref. 13288], Smith & McCosker 1999:1666 [ref. 24715]). Current status: Valid as Evips McCosker 1972. Ophichthidae: Ophichthinae.

Giscenchelys (subgenus of Ophichthus) Fowler [H. W.] 1944:188 Fem. Ophichthys zophochir Jordan & Gilbert 1882. Type by original designation (also monotypic). Spelled Giscenchelys in main heading; as Gisenchelys on p. 60 and in index; first reviser not researched. Based on the derivation given by Fowler, Giscenchelys is probably correct. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:46 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 [as Gisenchelys] -- (McCosker 1977:80 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:575 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Glenoglossa McCosker [J. E.] 1982:60 Fem. Glenoglossa wassi McCosker 1982. Type by original designation (also monotypic). •Valid as Glenoglossa McCosker 1982 -- (McCosker et al. 1989:271 [ref. 13288], Castle & McCosker 1999:116 [ref. 24075], Smith & McCosker 1999:1664 [ref. 24715], McCosker et al. 2012:1192 [ref. 32371]). Current status: Valid as Glenoglossa McCosker 1982. Ophichthidae: Myrophinae.

Gordiichthys Jordan [D. S.] & Davis [B. M.] 1891:644 Masc. Gordiichthys irretitus Jordan & Davis 1891. Type by original designation (also monotypic). •Valid as Gordiichthys Jordan & Davis 1891 -- (McCosker 1977:72 [ref. 6836], McCosker & Böhlke 1984:34 [ref. 5316], McCosker et al. 1989:343 [ref. 13288], McCosker & Lavenberg 2001:8 [ref. 25775], McCosker 2003:732 [ref. 26993]). Current status: Valid as Gordiichthys Jordan & Davis 1891. Ophichthidae: Ophichthinae.

Hemerorhinus Weber [M.] & de Beaufort [L. F.] 1916:281 Masc. Sphagebranchus heyningi Weber 1913. Type by monotypy. •Valid as Hemerorhinus Weber & de Beaufort 1916 -- (McCosker 1977:67 [ref. 6836], McCosker et al. 1989:297 [ref. 13288], Smith & McCosker 1999:1665 [ref. 24715]). Current status: Valid as Hemerorhinus Weber & de Beaufort 1916. Ophichthidae: Ophichthinae.

Herpetoichthys Kaup [J. J.] 1856:44 Masc. Herpetoichthys ornatissimus Kaup 1856. Type by subsequent designation. Type designated by Jordan & Evermann 1896:381 [ref. 2443]. Also appeared in Kaup 1857:7 [ref. 2573] and as name only in Kaup in Duméril 1856:199 [ref. 1154]. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:80 [ref. 6836]). •Valid as Herpetoichthys Kaup 1856 -- (McCosker et al. 1989:364 [ref. 13288], Brown et al. 2019:157 [ref. 36444]). Current status: Valid as Herpetoichthys Kaup 1856. Ophichthidae: Ophichthinae.

Hesperomyrus Myers [G. S.] & Storey [M. H.] 1939:157 Masc. Hesperomyrus fryi Myers & Storey 1939. Type by monotypy. •Synonym of Myrophis Lütken 1852 -- (McCosker 1977:59 [ref. 6836], McCosker et al. 1989:279 [ref. 13288], Castro-Aguirre et al. 1999:99 [ref. 24550]). Current status: Synonym of Myrophis Lütken 1852. Ophichthidae: Myrophinae.

Holopterura Cope [E. D.] 1871:482 Fem. Holopterura plumbea Cope 1871. Type by monotypy. •Synonym of Myrophis Lütken 1852 -- (McCosker et al. 1989:279 [ref. 13288]). Current status: Synonym of Myrophis Lütken 1852. Ophichthidae: Myrophinae.

Hyphalophis McCosker [J. E.] & Böhlke [J. E.] 1982:116 Masc. Hyphalophis devius McCosker & Böhlke 1982. Type by original designation (also monotypic). •Valid as Hyphalophis McCosker & Böhlke 1982 -- (McCosker et al. 1989:367 [ref. 13288], McCosker 2003:732 [ref. 26993]). Current status: Valid as Hyphalophis McCosker & Böhlke 1982. Ophichthidae: Ophichthinae.

Ichthyapus Brisout de Barneville [C. N. F.] 1847:219 Masc. Ichthyapus acutirostris Brisout de Barneville 1847. Type by monotypy. •Valid as Ichthyapus Brisout de Barneville 1847 -- (McCosker 1977:67 [ref. 6836], McCosker & Castle 1986:179 [ref. 5690], Paxton et al. 1989:116 [ref. 12442], McCosker et al. 1989:322 [ref. 13288], McCosker & Randall 1993:190 [ref. 20826], Smith & McCosker 1999:1665 [ref. 24715], McCosker 2003:732 [ref. 26993], McCosker 2004:171 [ref. 27619], Brown et al. 2019:157 [ref. 36444]). Current status: Valid as Ichthyapus Brisout de Barneville 1847. Ophichthidae: Ophichthinae.

Innominado Parra [A.] 1787:96, Pl. 37 (f. 2) Not available; a vernacular name for a species; work also probably can be considered as not following the principle of binominal nomenclature. •Synonym of Ophichthus Ahl 1789 -- (McCosker 1977:79 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Jenkinsiella Jordan [D. S.] & Evermann [B. W.] 1905:83 Fem. Microdonophis macgregori Jenkins 1903. Type by original designation (also monotypic). •Synonym of Cirrhimuraena Kaup 1856, but a valid subgenus Jenkinsiella -- (McCosker 1977:75 [ref. 6836]). •Synonym of Cirrhimuraena Kaup 1856 -- (Kottelat 2013:44 [ref. 32989]). Current status: Synonym of Cirrhimuraena Kaup 1856. Ophichthidae: Ophichthinae.

Kertomichthys McCosker [J. E.] & Böhlke [J. E.] 1982:119 Masc. Mystriophis blastorhinos Kanazawa 1963. Type by original designation (also monotypic). •Valid as Kertomichthys McCosker & Böhlke 1982 -- (McCosker et al. 1989:368 [ref. 13288], McCosker 2003:732 [ref. 26993]). Current status: Valid as Kertomichthys McCosker & Böhlke 1982. Ophichthidae: Ophichthinae.

Lamnostoma Kaup [J. J.] 1856:49 Neut. Lamnostoma pictum Kaup 1856. Type by subsequent designation. Also appeared in Kaup 1857:24 [ref. 2573]. Type apparenly designated by Jordan 1919:271. •Valid as Lamnostoma Kaup 1856 -- (McCosker 1977:68 [ref. 6836], McCosker & Castle 1986:179 [ref. 5690], McCosker et al. 1989:297 [ref. 13288], Séret & Dingerkus 1992:169 [ref. 22389], Smith & McCosker 1999:1665 [ref. 24715], Zhang et al. 2010:369 [ref. 31511], Kottelat 2013:44 [ref. 32989], Fricke et al. 2018:43 [ref. 35805], Chiu et al. 2018:20 [ref. 36033]). Current status: Valid as Lamnostoma Kaup 1856. Ophichthidae: Ophichthinae.

Leiuranus (subgenus of Ophisurus) Bleeker [P.] 1852:11, 24, 36 Masc. Leiuranus lacepedii Bleeker 1852. Type by monotypy. Based on style, Bleeker treated as a subgenus of Ophisurus (p. 24) and as a genus (p. 11, 36), with one species. Type not L. colubrinus as stated by Bleeker 1864:36 [ref. 4860] and 1865:119 [ref. 409]. Liuranus Günther 1870:54 [ref. 1995] is an unjustified emendation. •Valid as Leiuranus Bleeker 1852 (often seen as 1853) -- (McCosker 1977:77 [ref. 6836], Asano in Masuda et al. 1984:30 [ref. 6441], McCosker & Castle 1986:180 [ref. 5690], Paxton et al. 1989:117 [ref. 12442], McCosker et al. 1989:299 [ref. 13288], Smith & McCosker 1999:1666 [ref. 24715], McCosker et al. 2006:268 [ref. 29006], Fricke et al. 2009:19 [ref. 30213], Zhang et al. 2010:364 [ref. 31511], Fricke et al. 2018:44 [ref. 35805]). Current status: Valid as Leiuranus Bleeker 1852. Ophichthidae: Ophichthinae.

Leiurus Kaup [J. J.] in Duméril 1856:198 Masc. Apparently not available, name only as "Leiurus colubrinus" in list of genera taken from Kaup manuscript; probably for Leiuranus colubrinus. Also objectively invalid; preoccupied by Leiurus Swainson 1839 in fishes. Described as Chlevastes Jordan & Snyder 1901. •In the synonymy of Myrichthys Girard 1859. Nomen Nudum. Current status: Synonym of Myrichthys Girard 1859. Ophichthidae: Ophichthinae.

Leptenchelys Myers [G. S.] & Wade [C. B.] 1941:72 Fem. Leptenchelys vermiformis Myers & Wade 1941. Type by original designation (also monotypic). •Valid as Leptenchelys Myers & Wade 1941 -- (McCosker 1977:72 [ref. 6836], McCosker et al. 1989:298 [ref. 13288]). Current status: Valid as Leptenchelys Myers & Wade 1941. Ophichthidae: Ophichthinae.

Leptoconger Poey [F.] 1880:250 Masc. Neoconger perlongus Poey 1875. Type by monotypy. •Synonym of Myrophis Lütken 1852 -- (McCosker et al. 1989:279 [ref. 13288]). Current status: Synonym of Myrophis Lütken 1852. Ophichthidae: Myrophinae.

Leptognathus Swainson [W.] 1838:221 Masc. Leptognathus oxyrhynchus Swainson 1838. Type by monotypy. Also in Swainson 1839:196, 334 [ref. 4303] as a subgenus of Anguilla. •Synonym of Ophisurus Lacepède 1800 -- (Blache et al. 1973:249 [ref. 7185], McCosker 1977:82 [ref. 6836], Zhang et al. 2010:356 [ref. 31511]). Current status: Synonym of Ophisurus Lacepède 1800. Ophichthidae: Ophichthinae.

Leptorhinophis Kaup [J. J.] 1856:46 Masc. Ophisurus gomesii Castelnau 1855. Type by subsequent designation. Type designated by Jordan & Evermann 1896:381 [ref. 2443]. Also appeared in Kaup 1857:14 [ref. 2573]. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:80 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Leptorhynchus Smith [A.] 1840:Pl. 6 Masc. Leptorhynchus capensis Smith 1840. Type by monotypy. Objectively invalid; preoccupied by Leptorhynchus Clift 1828 in Reptilia, Du Bus 1835 and Ménetriés 1835 in Aves; replaced by Anepistomon Gistel 1848. •Synonym of Ophisurus Lacepède 1800 -- (Blache et al. 1973:249 [ref. 7185], McCosker 1977:82 [ref. 6836]). 1°Homonym. Current status: Synonym of Ophisurus Lacepède 1800. Ophichthidae: Ophichthinae.

Letharchus Goode [G. B.] & Bean [T. H.] 1882:436 Masc. Letharchus velifer Goode & Bean 1882. Type by monotypy. Misspelled Letharcus by Goode & Bean on p. 437 (corrected in "List of Corrections" on p. xi). •Valid as Letharchus Goode & Bean 1882 -- (McCosker 1974 [ref. 2933], McCosker 1977:63 [ref. 6836], Leiby 1984:414 [ref. 12859], McCosker et al. 1989:313 [ref. 13288], McCosker 2003:732 [ref. 26993]). Current status: Valid as Letharchus Goode & Bean 1882. Ophichthidae: Ophichthinae.

Lethogoleos McCosker [J. E.] & Böhlke [J. E.] 1982:114 Masc. Lethogoleos andersoni McCosker & Böhlke 1982. Type by original designation (also monotypic). •Valid as Lethogoleos McCosker & Böhlke 1982 -- (McCosker et al. 1989:370 [ref. 13288], McCosker 2003:732 [ref. 26993]). Current status: Valid as Lethogoleos McCosker & Böhlke 1982. Ophichthidae: Ophichthinae.

Leuropharus Rosenblatt [R. H.] & McCosker [J. E.] 1970:502 Masc. Leuropharus lasiops Rosenblatt & McCosker 1970. Type by original designation (also monotypic). •Valid as Leuropharus Rosenblatt & McCosker 1970 -- (McCosker 1977:64 [ref. 6836], McCosker et al. 1989:296 [ref. 13288]). Current status: Valid as Leuropharus Rosenblatt & McCosker 1970. Ophichthidae: Ophichthinae.

Luthulenchelys McCosker [J. E.] 2007:4 Fem. Luthulenchelys heemstraorum McCosker 2007. Type by original designation (also monotypic). •Valid as Luthulenchelys McCosker 2007. Current status: Valid as Luthulenchelys McCosker 2007. Ophichthidae: Ophichthinae.

Machaerenchelys Fowler [H. W.] 1938:85 Fem. Machaerenchelys vanderbilti Fowler 1938. Type by original designation (also monotypic). •Synonym of Leiuranus Bleeker 1852 (often dated 1853) -- (McCosker 1977:77 [ref. 6836], Zhang et al. 2010:364 [ref. 31511] dated 1937). Current status: Synonym of Leiuranus Bleeker 1852. Ophichthidae: Ophichthinae.

Macrodonophis Poey [F.] 1868:251 Masc. Conger mordax Poey 1860. Type by monotypy. •Synonym of Echiophis Kaup 1856 -- (McCosker 1977:76 [ref. 6836], McCosker et al. 1989:357 [ref. 13288]). Current status: Synonym of Echiophis Kaup 1856. Ophichthidae: Ophichthinae.

Malvoliophis Whitley [G. P.] 1934:154 Masc. Bascanichthys hemizona Ogilby 1897. Type by original designation. Type (hemizona) regarded by Whitley as a possible synonym of Ophichthys pinguis Günther 1872. •Valid as Malvoliophis Whitley 1934 -- (McCosker 1977:78 [ref. 6836], Paxton et al. 1989:117 [ref. 12442], McCosker et al. 1989:300 [ref. 13288], Smith & McCosker 1999:1666 [ref. 24715], McCosker et al. 2006:269 [ref. 29006]). Current status: Valid as Malvoliophis Whitley 1934. Ophichthidae: Ophichthinae.

Microdonophis Kaup [J. J.] 1856:43 Masc. Microdonophis altipennis Kaup 1856. Type by monotypy. Also appeared in Kaup 1857:6 [ref. 2573] and as name only in Kaup in Duméril 1856:198 [ref. 1154]. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). •Synonym of Ophichthus Ahl 1789, but a valid subgenus Microdonophis -- (McCosker 1977:80, 81 [ref. 6836]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Microrhynchus Blache [J.] & Bauchot [M.-L.] 1972:728 Masc. Sphagebranchus foresti Cadenat & Roux 1964. Type by original designation. Objectively invalid; preoccupied by Microrhynchus Megerle in Dahl 1823 in Lepidoptera, Microrhynchus Jourdan 1834 in Mammalia, and four more times (McCosker & Böhlke 1984:40 [ref. 5316]); not replaced. •Synonym of Ethadophis Rosenblatt & McCosker 1970 -- (McCosker & Böhlke 1984:40 [ref. 5316], McCosker et al. 1989:341 [ref. 13288]). •Synonym of Phaenomonas Myers & Wade 1941 -- (McCosker 2006:737 [ref. 29103]). 1°Homonym. Current status: Synonym of Phaenomonas Myers & Wade 1941. Ophichthidae: Ophichthinae.

Mixomyrophis McCosker [J. E.] 1985:10 Masc. Mixomyrophis pusillipinna McCosker 1985. Type by original designation (also monotypic). •Valid as Mixomyrophis McCosker 1985 -- (McCosker et al. 1989:277 [ref. 13288], McCosker 2003:732 [ref. 26993], McCosker et al. 2012:1191 [ref. 32371], Hibino et al. 2014:1 [ref. 33410], Golani & Fricke 2018:27 [ref. 36273]). Current status: Valid as Mixomyrophis McCosker 1985. Ophichthidae: Myrophinae.

Muraenichthys Bleeker [P.] 1853:505 Masc. Muraena gymnopterus Bleeker 1852. Type by monotypy. Also spelled Muraenichthijs by Bleeker elsewhere. •Valid as Muraenichthys Bleeker 1853 -- (McCosker 1970:509 [ref. 2931], McCosker 1977:58 [ref. 6836], Asano in Masuda et al. 1984:30 [ref. 6441], McCosker & Castle 1986:180 [ref. 5690], Paxton et al. 1989:117 [ref. 12442], McCosker et al. 1989:271 [ref. 13288], Kuang in Pan et al. 1991:57 [ref. 23876], McCosker & Parin 1995:232 [ref. 21924], Machida & Ohta 1996:79 [ref. 22154], Gomon et al. 1994:199 [ref. 22532], Castle & McCosker 1999:121 [ref. 24075], Smith & McCosker 1999:1664 [ref. 24715], McCosker et al. 2006:269 [ref. 29006], Zhang et al. 2010:318 [ref. 31511], Hoshino et al. 2011:184 [ref. 31273], McCosker et al. 2012:1192 [ref. 32371], Hibino et al. 2013:[1] [ref. 32505], Kottelat 2013:45 [ref. 32989], Hibino & Kimura 2015:62 [ref. 34120], Motomura et al. 2017:31 [ref. 35490], Golani & Fricke 2018:27 [ref. 36273], Hibino et al. 2019:41 [ref. 37149], Mohapatra et al. 2023:1 [ref. 40535]). Current status: Valid as Muraenichthys Bleeker 1853. Ophichthidae: Myrophinae.

Myrichthys Girard [C. F.] 1859:58 Masc. Myrichthys tigrinus Girard 1859. Type by monotypy. •Valid as Myrichthys Girard 1859 -- (McCosker 1977:78 [ref. 6836], Asano in Masuda et al. 1984:31 [ref. 6441], McCosker & Castle 1986:181 [ref. 5690], Paxton et al. 1989:118 [ref. 12442], McCosker et al. 1989:372 [ref. 13288], McCosker & Rosenblatt 1993:154 [ref. 21180], Smith & McCosker 1999:1666 [ref. 24715], McCosker 2003:732 [ref. 26993], McCosker et al. 2006:270 [ref. 29006], Fricke et al. 2009:19 [ref. 30213], Zhang et al. 2010:366 [ref. 31511], McCosker & Allen 2012:35 [ref. 31763], McCosker & Stewart 2015:253 [ref. 34235], Fricke et al. 2018:44 [ref. 35805], Golani & Fricke 2018:27 [ref. 36273], Fricke et al. 2019:53 [ref. 36673]). Current status: Valid as Myrichthys Girard 1859. Ophichthidae: Ophichthinae.

Myrophis Lütken [C. F.] 1852:14 Masc. Myrophis punctatus Lütken 1852. Type by monotypy. Also in Lütken 1852:270 [ref. 30287]. •Valid as Myrophis Lütken 1852 -- (McCosker 1977:59 [ref. 6836], Karrer 1982:79 [ref. 5679], Asano in Masuda et al. 1984:30 [ref. 6441], McCosker et al. 1989:279 [ref. 13288], Castro-Aguirre et al. 1999:99 [ref. 24550], Smith & McCosker 1999:1664 [ref. 24715], McCosker 2003:733 [ref. 26993], McCosker et al. 2006:270 [ref. 29006], Vreven & De Vos 2007:183 [ref. 30015], Ho et al. 2010:24 [ref. 31218], Zhang et al. 2010:325 [ref. 31511], McCosker et al. 2012:1191 [ref. 32371], Angulo et al. 2013:989 [ref. 33194], Fricke et al. 2018:45 [ref. 35805]). Current status: Valid as Myrophis Lütken 1852. Ophichthidae: Myrophinae.

Myropterura Ogilby [J. D.] 1897:247 Fem. Myropterura laticaudata Ogilby 1897. Type by monotypy. Possibly published in 1898. •Synonym of Muraenichthys Bleeker 1853 -- (McCosker 1970:509 [ref. 2931], McCosker 1977:58 [ref. 6836]). •Synonym of Scolecenchelys Ogilby 1897 -- (Castle & McCosker 1999:121 [ref. 24075]). Current status: Synonym of Scolecenchelys Ogilby 1897. Ophichthidae: Myrophinae.

Myrus Kaup [J. J.] 1856:53 Masc. Muraena vulgaris Kaup 1856 (= Muraena myrus Linnaeus 1758). Type by monotypy. Species myrus renamed vulgaris by Kaup. Also in Kaup 1857:31 [ref. 2573] and as name only in Kaup in Duméril 1856:198 [ref. 1154]. •Synonym of Echelus Rafinesque 1810 -- (Blache et al. 1973:245 [ref. 7185], McCosker 1977:75 [ref. 6836]). Current status: Synonym of Echelus Rafinesque 1810. Ophichthidae: Ophichthinae.

Mystriophis Kaup [J. J.] 1856:45 Masc. Ophisurus rostellatus Richardson 1848. Type by subsequent designation. Type designated by Bleeker 1864:35 [ref. 4860] and 1865:118 [ref. 409]. Also appeared in Kaup 1857:10 [ref. 2573] and as name only in Kaup in Duméril 1856:199 [ref. 1154]. •Valid as Mystriophis Kaup 1856 -- (McCosker 1977:79 [ref. 6836], Asano in Masuda et al. 1984:31 [ref. 6441], McCosker & Castle 1986:181 [ref. 5690], McCosker et al. 1989:299 [ref. 13288], Zhang et al. 2010:354 [ref. 31511]). Current status: Valid as Mystriophis Kaup 1856. Ophichthidae: Ophichthinae.

Neenchelys Bamber [R. C.] 1915:479 Fem. Neenchelys microtretus Bamber 1915. Type by monotypy. •Valid as Neenchelys Bamber 1915 -- (McCosker 1977:60 [ref. 6836], McCosker 1982:62 [ref. 2934], Paxton et al. 1989:119 [ref. 12442], McCosker et al. 1989:270 [ref. 13288], Smith & McCosker 1999:1663 [ref. 24715], McCosker et al. 2006:271 [ref. 29006], Zhang et al. 2010:322 [ref. 31511], Hibino et al. 2012:342 [ref. 32271], McCosker et al. 2012:1191 [ref. 32371], Ho et al. 2012:949 [ref. 33018], Ho et al. 2013:2 [ref. 33156], Tashiro et al. 2015:1 [ref. 33874], Ho & Loh 2015:52 [ref. 34121], Ho et al. 2015:49 [ref. 34122], Hibino et al. 2015:56 [ref. 34166], Motomura et al. 2017:32 [ref. 35490], Golani & Fricke 2018:28 [ref. 36273]). Current status: Valid as Neenchelys Bamber 1915. Ophichthidae: Myrophinae.

Notophtophis Castro-Aguirre [J. L.] & Suárez de los Cobos [S.] 1983:114 Masc. Notophtophis brunneus Castro-Aguirre & Suárez de los Cobos 1983. Type by original designation (also monotypic). •Synonym of Echiophis Kaup 1856 -- (McCosker et al. 1989:357 [ref. 13288], Guzmán 2011:175 [ref. 32186]). Current status: Synonym of Echiophis Kaup 1856. Ophichthidae: Ophichthinae.

Omochelys (subgenus of Pisodonophis) Fowler [H. W.] 1918:3 Fem. Pisoodonophis cruentifer Goode & Bean 1896. Type by original designation (also monotypic). •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Pisodonophis Kaup 1856 -- (Blache et al. 1973:250 [ref. 7185], McCosker 1977:80 [ref. 6836], Castle 1984:38 [ref. 6171]). •Synonym of Ophichthus Ahl 1789 -- (McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). •See McCosker 2005:673 [ref. 28646]. Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Ophichthus Ahl [J. N.] 1789:5 Masc. Muraena ophis Linnaeus 1758. Type by subsequent designation. Type designated by Bleeker 1864:43 [ref. 4860] with spelling Ophichthys; Ophichthys Swainson 1839 apparently independently described as indicated by Bleeker 1864:43. •Valid as Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989] and see discussion on p. 46 [but Ahl was an eel expert and we doubt if Thunberg wrote this section]). •Valid as Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:79 [ref. 6836], Karrer 1982:73 [ref. 5679], Asano in Masuda et al. 1984:31 [ref. 6441], McCosker & Castle 1986:182 [ref. 5690], Asano 1987 [ref. 6705], Paxton et al. 1989:119 [ref. 12442], McCosker et al. 1989:379 [ref. 13288], Kuang in Pan et al. 1991:61 [ref. 23876] as Ophichthys, McCosker & Rosenblatt 1998:398 [ref. 23645], McCosker 1999:574 [ref. 23699], Castro-Aguirre et al. 1999:100 [ref. 24550], Smith & McCosker 1999:1667 [ref. 24715], McCosker 2003:733 [ref. 26993], McCosker et al. 2006:271 [ref. 29006], Fricke et al. 2009:19 [ref. 30213], Lipej & Dulčić 2010:18 [ref. 36649], McCosker 2010:2 [ref. 30840], Zhang et al. 2010:329 [ref. 31511], McCosker et al. 2012:6 [ref. 31982], McCosker & Ho 2015:71 [ref. 34123], Motomura et al. 2017:33 [ref. 35490], Robertson et al. 2017:34 [ref. 35676], Fricke et al. 2018:45 [ref. 35805], Golani & Fricke 2018:28 [ref. 36273], Mohapatra et al. 2018:251 [ref. 36093], McCosker & Psomadakis 2018:71 [ref. 36333], Fricke et al. 2019:53 [ref. 36673], Hibino et al. 2019:289 [ref. 36433], Sumod et al. 2019:112 [ref. 37023], Hibino et al. 2019:140 [ref. 37155], Vo et al. 2019:1 [ref. 37206], Mohapatra et al. 2020:283 [ref. 37277], McCosker et al. 2020:31 [ref. 37376], Das et al. 2020:291 [ref. 38016], Vo & Ho 2021:71 [ref. 38193], Ho et al. 2022:312 [ref. 39289], Kodeeswaran et al. 2023:1 [ref. 40457], Kodeeswaran et al. 2023:1 [ref. 40641]). Current status: Valid as Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Ophis Turton [W.] 1807:82, 87 Masc. Ophis maculata Turton 1807. Type by monotypy. Original not examined. Species apparently in reference to Muraena meleagis of Shaw. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:79 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Ophisurapus Kaup [J. J.] 1856:52 Masc. Ophisurapus gracilis Kaup 1856. Type by monotypy. Also in Kaup 1857:29 [ref. 2573] as Ophisuraphis and as name only in Kaup in Duméril 1856:199 [ref. 1154]. •Synonym of Apterichtus Duméril 1805 -- (Blache et al. 1973:248 [ref. 7185], McCosker 1977:65 [ref. 6836], McCosker et al. 1989:318 [ref. 13288], McCosker & Hibino 2015:50 [ref. 33725]). Current status: Synonym of Apterichtus Duméril 1805. Ophichthidae: Ophichthinae.

Ophisurus Lacepède [B. G. E.] 1800:195 Masc. Muraena serpens Linnaeus 1758. Type by subsequent designation. Two included species; type evidently designated first by Risso 1827 [ref. 3757], not M. ophis as designated by Bleeker 1864:64 [ref. 4860]. •Valid as Ophisurus Lacepède 1800 -- (Blache et al. 1973:249 [ref. 7185], McCosker 1977:81 [ref. 6836], Asano in Masuda et al. 1984:32 [ref. 6441], Bauchot in Whitehead et al. 1986:583 [ref. 13676], McCosker & Castle 1986:184 [ref. 5690], Paxton et al. 1989:120 [ref. 12442], McCosker et al. 1989:299 [ref. 13288], Gomon et al. 1994:202 [ref. 22532], Smith & McCosker 1999:1667 [ref. 24715], McCosker et al. 2006:272 [ref. 29006], Smith & McCosker 2008:167 [ref. 30623], Lipej & Dulčić 2010:18 [ref. 36649], Zhang et al. 2010:356 [ref. 31511], Bañón et al. 2011:157 [ref. 31596], Shinohara et al. 2011:39 [ref. 31715], McCosker & Stewart 2015:254 [ref. 34235]). Current status: Valid as Ophisurus Lacepède 1800. Ophichthidae: Ophichthinae.

Ophithorax McClelland [J.] 1844:212 Masc. Ophisurus ophis Lacepède 1800 (= Muraena maculosa Cuvier 1816). Type by subsequent designation. Earliest type designation found that of Jordan 1919:220 [ref. 2410]. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (McCosker 1977:79 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Oxyodontichthys Poey [F.] 1880:254 Masc. Ophichthys macrurus Poey 1867. Type by subsequent designation. Type designated by Jordan & Evermann 1896:381 [ref. 2442]. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:80 [ref. 6836] as Oxydontichthys, McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Oxystomus Rafinesque [C. S.] 1810:49, 62 Masc. Oxystomus hyalinus Rafinesque 1810. Type by monotypy. Objectively invalid; preoccupied by Oxystomus Fischer von Waldheim 1803 in Mammalia; replaced by Bertinulus Whitley 1948. •Not a serrivomerid -- (Tighe 1989:618 [ref. 13291]). 1°Homonym. Current status: Unknown. Ophichthidae: Ophichthinae.

Pantonora Smith [J. L. B.] 1965:(713) 719 Fem. Ophichthys tenuis Günther 1870. Type by original designation. •Synonym of Yirrkala Whitley 1940 -- (McCosker 1977:69 [ref. 6836], McCosker 1999:583 [ref. 23699], McCosker 2011:46 [ref. 31260], Kottelat 2013:47 [ref. 32989]). Current status: Synonym of Yirrkala Whitley 1940. Ophichthidae: Ophichthinae.

Paraletharchus McCosker [J. E.] 1974:620 Masc. Letharchus pacificus Osburn & Nichols 1916. Type by original designation. •Valid as Paraletharchus McCosker 1974 -- (McCosker 1977:64 [ref. 6836], McCosker et al. 1989:296 [ref. 13288]). Current status: Valid as Paraletharchus McCosker 1974. Ophichthidae: Ophichthinae.

Paramyrus Günther [A.] 1870:51 Masc. Conger cylindroideus Ranzani 1839. Type by subsequent designation. Type designated by Jordan & Davis 1891:641 [ref. 2437]. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Myrophis Lütken 1852 -- (McCosker 1977:59 [ref. 6836]). •Synonym of Ophichthus Ahl 1789 -- (McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Pelia Schlegel [H.] in Bleeker 1863:128 Fem. Sphagebranchus cephalopeltis Bleeker 1863. Appeared as name in synonymy as, "Sphagebranchus? cephalopeltis Blkr./ Syn. Pelis cephalopeltis Schl., Mus. Lugd. bat." Apparently not used subsequently as a valid name or senior homonym; therefore not available. •In the synonymy of Dalophis Rafinesque 1810 -- (Blache et al. 1973:249 [ref. 7185], McCosker 1977:71 [ref. 6836], Castle 1984:38 [ref. 6171]). Current status: Synonym of Dalophis Rafinesque 1810. Ophichthidae: Ophichthinae.

Phaenomonas Myers [G. S.] & Wade [C. B.] 1941:77 Fem. Phaenomonas pinnata Myers & Wade 1941. Type by original designation (also monotypic). •Valid as Phaenomonas Myers & Wade 1941 -- (McCosker 1975 [ref. 7100], McCosker 1977:73 [ref. 6836], McCosker & Castle 1986:184 [ref. 5690], McCosker et al. 1989:351 [ref. 13288], Smith & McCosker 1999:1664 [ref. 24715], Golani & Fricke 2018:28 [ref. 36273], Brown et al. 2019:157 [ref. 36444]). Current status: Valid as Phaenomonas Myers & Wade 1941. Ophichthidae: Ophichthinae.

Phyllophichthus Gosline [W. A.] 1951:316 Masc. Phyllophichthus xenodontus Gosline 1951. Type by original designation (also monotypic). •Valid as Phyllophichthus Gosline 1951 -- (McCosker 1977:82 [ref. 6836], McCosker & Castle 1986:185 [ref. 5690], Paxton et al. 1989:120 [ref. 12442], McCosker et al. 1989:298 [ref. 13288], Smith & McCosker 1999:1665 [ref. 24715], McCosker et al. 2006:273 [ref. 29006], Fricke et al. 2018:45 [ref. 35805], Golani & Fricke 2018:28 [ref. 36273]). Current status: Valid as Phyllophichthus Gosline 1951. Ophichthidae: Ophichthinae.

Pisodonophis Kaup [J. J.] 1856:47 Masc. Ophisurus cancrivorus Richardson 1848. Type by subsequent designation. Type designated by Bleeker 1864:36 [ref. 4860] or 119 [ref. 409]. As Pisoodonophis in Kaup 1857:17 [ref. 2573]; unjustifiably emended to Pisodontophis by Günther 1870:55 [ref. 1995]. Fowler (MS) also lists a Pisoodontus Popta. •Valid as Pisodonophis Kaup 1856 -- (Blache et al. 1973:250 [ref. 7185], McCosker 1977:82 [ref. 6836], Ataur Rahman 1989:43 [ref. 24860], Castle 1984:38 [ref. 6171], Asano in Masuda et al. 1984:31 [ref. 6441], McCosker & Castle 1986:185 [ref. 5690], Paxton et al. 1989:120 [ref. 12442], McCosker et al. 1989:298 [ref. 13288], Kuang in Pan et al. 1991:60 [ref. 23876] as Pisoodonophis, Castro-Aguirre et al. 1999:98 [ref. 24550], Smith & McCosker 1999:1667 [ref. 24715], Ataur Rahman 2003:58 [ref. 31338], McCosker et al. 2006:273 [ref. 29006], Fricke et al. 2009:19 [ref. 30213], Zhang et al. 2010:351 [ref. 31511], Kotelat 2013:46 [ref. 32989], Motomura et al. 2017:33 [ref. 35490], Fricke et al. 2018:45 [ref. 35805], Golani & Fricke 2018:28 [ref. 36273], Mohanty et al. 2023:1 [ref. 40223]). Current status: Valid as Pisodonophis Kaup 1856. Ophichthidae: Ophichthinae.

Poecilocephalus Kaup [J. J.] 1856:43 Masc. Poecilocephalus bonaparti Kaup 1856. Type by monotypy. Also appeared in Kaup 1857:5 [ref. 2573] and as name only in Kaup in Duméril 1856:198 [ref. 1154]. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:79 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Pogonophis Myers [G. S.] & Wade [C. B.] 1941:78 Masc. Pogonophis fossatus Myers & Wade 1941. Type by original designation (also monotypic). Pogonophis appeared first as name only in Bleeker 1865:237 [ref. 17038] in a different context and not available. •Valid as Pogonophis Myers & Wade 1941 -- (McCosker 1977:83 [ref. 6836]). •Synonym of Herpetoichthys Kaup 1856 -- (McCosker et al. 1989:364 [ref. 13288]). Current status: Synonym of Herpetoichthys Kaup 1856. Ophichthidae: Ophichthinae.

Pseudomyrophis Wade [C. B.] 1946:199 Masc. Pseudomyrophis micropinna Wade 1946. Type by original designation (also monotypic). •Valid as Pseudomyrophis Wade 1946 -- (McCosker 1977:61 [ref. 6836], McCosker et al. 1989:289 [ref. 13288], McCosker 2003:733 [ref. 26993], McCosker et al. 2012:1191 [ref. 32371], Ho et al. 2014:18 [ref. 33156]). Current status: Valid as Pseudomyrophis Wade 1946. Ophichthidae: Myrophinae.

Pterurus Rafinesque [C. S.] 1810:43, 59 Masc. Pterurus flexuosus Rafinesque 1810. Type by monotypy. Perhaps preoccupied [not researched]. •Synonym of Dalophis Rafinesque 1810 -- (Blache et al. 1973:249 [ref. 7185], McCosker 1977:71 [ref. 6836], Castle 1984:38 [ref. 6171]). Current status: Synonym of Dalophis Rafinesque 1810. Ophichthidae: Ophichthinae.

Pylorobranchus McCosker [J. E.] & Chen [H. M.] in McCosker, Loh, Lin & Chen 2012:1189 Masc. Pylorobranchus hoi McCosker, Loh & Lin 2012. Type by original designation (also monotypic). •Valid as Pylorobranchus McCosker & Chen 2012 -- (McCosker 2014:334 [ref. 33288], Ho et al. 2015:175 [ref. 34130]). Current status: Valid as Pylorobranchus McCosker & Chen 2012. Ophichthidae: Myrophinae.

Quassiremus Jordan [D. S.] & Davis [B. M.] 1891:622 Masc. Ophichthus evionthas Jordan & Bollman 1890. Type by original designation. •Valid as Quassiremus Jordan & Davis 1891 -- (McCosker 1977:83 [ref. 6836], McCosker et al. 1989:409 [ref. 13288], Castle 1996:108 [ref. 22122], McCosker 2003:733 [ref. 26993], McCosker & Stewart 2015:255 [ref. 34235]). Current status: Valid as Quassiremus Jordan & Davis 1891. Ophichthidae: Ophichthinae.

Rhinenchelys Blache [J.] & Bauchot [M.-L.] 1972:718 Fem. Sphagebranchus ophioneus Evermann & Marsh 1900. Type by original designation (also monotypic). •Synonym of Ichthyapus Brisout de Barneville 1847 -- (McCosker 1977:67 [ref. 6836], McCosker et al. 1989:322 [ref. 13288]). Current status: Synonym of Ichthyapus Brisout De Barneville 1847. Ophichthidae: Ophichthinae.

Rhinophichthus McCosker [J. E.] 1999:581 Masc. Rhinophichthus penicillatus McCosker 1999. Type by original designation (also monotypic). •Valid as Rhinophichthus McCosker 1999. Current status: Valid as Rhinophichthus McCosker 1999. Ophichthidae: Ophichthinae.

Schismorhynchus McCosker [J. E.] 1970:509 Masc. Muraenichthys labialis Seale 1917. Type by original designation (also monotypic). Name given as neuter in original description; changed to masculine in 1977 [ref. 6836]. •Valid as Schismorhynchus McCosker 1970 -- (McCosker 1977:61 [ref. 6836], Paxton et al. 1989:121 [ref. 12442], McCosker et al. 1989:271 [ref. 13288], Castle & McCosker 1999:116 [ref. 24075], Smith & McCosker 1999:1664 [ref. 24715], McCosker et al. 2006:273 [ref. 29006], McCosker et al. 2012:1192 [ref. 32371]). Current status: Valid as Schismorhynchus McCosker 1970. Ophichthidae: Myrophinae.

Schultzidia (subgenus of Muraenichthys) Gosline [W. A.] 1951:309 Fem. Muraenichthys johnstonensis Schultz & Woods 1949. Type by original designation (also monotypic). Second species doubtfully included. •Valid as Schultzidia Gosline 1951 -- (McCosker 1970:507 [ref. 2931], McCosker 1977:61 [ref. 6836], McCosker et al. 1989:271 [ref. 13288], Castle & McCosker 1999:116 [ref. 24075], Smith & McCosker 1999:1664 [ref. 24715], McCosker et al. 2006:274 [ref. 29006], McCosker et al. 2012:1192 [ref. 32371]). Current status: Valid as Schultzidia Gosline 1951. Ophichthidae: Myrophinae.

Scolecenchelys Ogilby [J. D.] 1897:246 Fem. Muraenichthys australis Macleay 1881. Type by original designation (also monotypic). Spelled Scolenchelys in Zoological Record for 1897 and by Jordan 1920:477 [ref. 4905]. •Synonym of Muraenichthys Bleeker 1853 -- (McCosker 1970:509 [ref. 2931], McCosker 1977:58 [ref. 6836]). •Valid as Scolecenchelys Ogilby 1897 -- (Castle & McCosker 1999:116 [ref. 24075], McCosker 2006:17[ref. 28592], McCosker et al. 2006:274 [ref. 29006], Smith & McCosker 2008:168 [ref. 30623], Imamura 2009:21 [ref. 30434], Fricke et al. 2009:19 [ref. 30213], Hoshino et al. 2011:184 [ref. 31273], McCosker et al. 2012:2 [ref. 31982], McCosker et al. 2012:1192 [ref. 32371], Hibino et al. 2013:43 [ref. 32418], Hibino & Kimura 2015:4 [ref. 33951], McCosker & Stewart 2015:256 [ref. 34235], Fricke et al. 2018:46 [ref. 35805], Golani & Fricke 2018:28 [ref. 36273], Fricke et al. 2019:53 [ref. 36673]). Current status: Valid as Scolecenchelys Ogilby 1897. Ophichthidae: Myrophinae.

Scytalichthys (subgenus of Mystriophis) Jordan [D. S.] & Davis [B. M.] 1891:634 Masc. Ophichthys miurus Jordan & Gilbert 1882. Type by original designation (also monotypic). •Valid as Scytalichthys Jordan & Davis 1891 -- (McCosker 1977:84 [ref. 6836], McCosker et al. 1989:299 [ref. 13288]). Current status: Valid as Scytalichthys Jordan & Davis 1891. Ophichthidae: Ophichthinae.

Scytallurus Duméril [A. M. C.] (ex Kaup) 1856:199 Masc. Sphagebranchus imberbis Delaroche 1809. Type by monotypy. Appeared as Scytallurus imberbis in list of genera and species taken from Kaup manuscript, but without description or indication; author of species inferred. •Synonym of Dalophis Rafinesque 1810 -- (Blache et al. 1973:249 [ref. 7185], McCosker 1977:71 [ref. 6836], Castle 1984:38 [6171]). Current status: Synonym of Dalophis Rafinesque 1810. Ophichthidae: Ophichthinae.

Scytalophis Kaup [J. J.] 1856:46 Masc. Scytalophis magnioculis Kaup 1856. Type by subsequent designation. Type designated by Jordan & Evermann 1896:381 [ref. 2443]. Also appeared in Kaup 1857:13 [ref. 2573] and as name only in Kaup in Duméril 1856:199 [ref. 1154]. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:80 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Skythrenchelys Castle [P. H. J.] & McCosker [J. E.] 1999:114 Fem. Skythrenchelys zabra Castle & McCosker 1999. Type by original designation. •Valid as Skythrenchelys Castle & McCosker 1999 -- (Hibino et al. 2013:[1] [ref. 32505], McCosker et al. 2012:1192 [ref. 32371], Motomura et al. 2017:34 [ref. 35490], Golani & Fricke 2018:29 [ref. 36273]). Current status: Valid as Skythrenchelys Castle & McCosker 1999. Ophichthidae: Myrophinae.

Sphagebranchus Bloch [M. E.] 1795:88 Masc. Sphagebranchus rostratus Bloch 1795. Type by monotypy. Misspelled Sphagenbranchus by Sonnini 1803:324 (v. 5) [ref. 30473]. •Valid as Sphagebranchus Bloch 1795 -- (Kuang in Pan et al. 1991:63 [ref. 23876]). •Synonym of Caecula Vahl 1794 -- (Böhlke & McCosker 1975 [ref. 607], McCosker 1977:66 [ref. 6836], McCosker et al. 1989:323 [ref. 13288], Zhang et al. 2010:371 [ref. 31511]). Current status: Synonym of Caecula Vahl 1794. Ophichthidae: Ophichthinae.

Stethopterus (subgenus of Ophisurus) Bleeker [P.] 1852:24 Masc. Ophisurus vimineus Richardson 1845. Type by monotypy. Appeared on p. 24 as a subgroup of Ophisurus without included species; first addition of species not located; O. vimineus Richardson 1845 listed as type by Jordan 1919:252 [ref. 2410]. Leiuranus and Stethopterus appeared in same publication and are regarded as synonyms; Bleeker 1865:119 [ref. 409] apparently serves as first reviser selecting Leiuranus over Stethopterus. •Synonym of Leiuranus Bleeker 1852 -- (McCosker 1977:77 [ref. 6836]). Current status: Synonym of Leiuranus Bleeker 1852. Ophichthidae: Ophichthinae.

Stictorhinus Böhlke [J. E.] & McCosker [J. E.] 1975:5 Masc. Stictorhinus potamius Böhlke & McCosker 1975. Type by original designation (also monotypic). •Valid as Stictorhinus Böhlke & McCosker 1975 -- (McCosker 1977:69 [ref. 6836], McCosker et al. 1989:325 [ref. 13288], McCosker 2003:733 [ref. 26993], Kullander in Reis et al. 2003:35 [ref. 27061]). Current status: Valid as Stictorhinus Böhlke & McCosker 1975. Ophichthidae: Ophichthinae.

Suculentophichthus Fricke [R.], Golani [D.] & Appelbaum-Golani [B.] 2015:58 Masc. Suculentophichthus nasus Fricke, Golani & Appelbaum-Golani 2015. Type by original designation (also monotypic). Genus misspelled Succulentophichthus on page 59 [ref. 33895]. •Valid as Suculentophichthus Fricke, Golani & Appelbaum-Golani 2015 -- (Golani & Fricke 2018:29 [ref. 36273]). Current status: Valid as Suculentophichthus Fricke, Golani & Appelbaum-Golani 2015. Ophichthidae: Ophichthinae.

Syletophis Whitley [G. P.] 1950:44 Masc. Pisoodonophis cruentifer Goode & Bean 1896. Type by being a replacement name. Replacement for Syletor Jordan 1919, preoccupied by Syletor Tschitscherin 1899 in Coleoptera. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:46 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (McCosker 1977:80 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:575 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Syletor Jordan [D. S.] 1919:343 Masc. Pisoodonophis cruentifer Goode & Bean 1896. Type by original designation (also monotypic). Objectively invalid; preoccupied by Syletor Tschitscherin 1899 in Coleoptera, replaced by Syletophis Whitley 1950. As Styletor in Jordan et al. 1930:86 [ref. 6476]. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Objective synonym of Omochelys Fowler 1918. •Synonym of Ophichthus Ahl 1789 -- (McCosker 1977:80 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). •In the synonymy of Pisodonophis Kaup 1856 -- (Blache et al. 1973:250 [ref. 7185], Castle 1984:38 [ref. 6171]). 1°Homonym. Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Sympenchelys Hibino [Y.], Ho [H.-C.] & Kimura [S.] 2015:42 Masc. Sympenchelys taiwanensis Hibino, Ho & Kimura 2015. Type by original designation (also monotypic). •Valid as Sympenchelys Hibino, Ho & Kimura 2015 -- (Ho et al. 2015:176 [ref. 34130]). Current status: Valid as Sympenchelys Hibino, Ho & Kimura 2015. Ophichthidae: Myrophinae.

Typhlotes Fischer [G.] 1813:75 Fem. Caecilia branderiana Lacepède 1800 (= Muraena coeca Linnaeus 1758). Type by being a replacement name. Replacement for Caecilia Lacepède 1800, preoccupied by Caecilia Linnaeus 1758 in Amphibia. •Synonym of Apterichtus Duméril 1805 -- (Blache et al. 1973:248 [ref. 7185], McCosker 1977:65 [ref. 6836], McCosker et al. 1989:318 [ref. 13288], McCosker & Hibino 2015:50 [ref. 33725]). Current status: Synonym of Apterichtus Duméril 1805. Ophichthidae: Ophichthinae.

Uranichthys Poey [F.] 1867:256 Masc. Muraena hauannensis Bloch & Schneider 1801. Type by subsequent designation. Type designated by Jordan & Davis 1891:624 [ref. 2437] if accepted, else by Jordan 1919:347 [ref. 4904]. Species spelled hauannensis by Bloch & Schneider; perhaps havannensis was intended; as hauanensis in index. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:45 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:80 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:574 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.

Verma Jordan [D. S.] & Evermann [B. W.] 1896:372, 374 Fem. Sphagebranchus kendalli Gilbert 1891. Type by original designation (also monotypic). •Valid as Verma Jordan & Evermann 1896 -- (Blache et al. 1973:250 [ref. 7185], McCosker 1977:65 [ref. 6836]). •Synonym of Apterichtus Duméril 1805 -- (McCosker et al. 1989:318 [ref. 13288], McCosker & Hibino 2015:50 [ref. 33725]). Current status: Synonym of Apterichtus Duméril 1805. Ophichthidae: Ophichthinae.

Xestochilus McCosker [J. E.] 1998:208 Masc. Callechelys nebulosus Smith 1962. Type by original designation (also monotypic). •Valid as Xestochilus McCosker 1998 -- (Smith & McCosker 1999:1669 [ref. 24715], Fricke et al. 2018:46 [ref. 35805], Golani & Fricke 2018:29 [ref. 36273]). Current status: Valid as Xestochilus McCosker 1998. Ophichthidae: Ophichthinae.

Xyrias Jordan [D. S.] & Snyder [J. O.] 1901:868 Masc. Xyrias revulsus Jordan & Snyder 1901. Type by original designation (also monotypic). •Valid as Xyrias Jordan & Snyder 1901 -- (McCosker 1977:84 [ref. 6836], Asano in Masuda et al. 1984:31 [ref. 6441], McCosker et al. 1989:299 [ref. 13288], McCosker 1998:8 [ref. 24055], McCosker et al. 2006:277 [ref. 29006], McCosker et al. 2009:62 [ref. 30556], Zhang et al. 2010:349 [ref. 31511], Augustina et al. 2020:577 [ref. 37706]). Current status: Valid as Xyrias Jordan & Snyder 1901. Ophichthidae: Ophichthinae.

Yirrkala Whitley [G. P.] 1940:410 Fem. Yirrkala chaselingi Whitley 1940. Type by original designation (second species tentatively referred). •Valid as Yirrkala Whitley 1940 -- (McCosker 1977:69 [ref. 6836], McCosker & Castle 1986:185 [ref. 5690], Paxton et al. 1989:121 [ref. 12442], McCosker et al. 1989:297 [ref. 13288], McCosker 1999:583 [ref. 23699], Smith & McCosker 1999:1665 [ref. 24715], McCosker et al. 2007:141 [ref. 28973], McCosker et al. 2006:277 [ref. 29006], McCosker 2006:374 [ref. 29014], McCosker et al. 2007:141 [ref. 28973], Fricke et al. 2009:20 [ref. 30213], McCosker 2011:46 [ref. 31260], Kottelat 2013:47 [ref. 32989], Motomura et al. 2017:35 [ref. 35490], Fricke et al. 2018:47 [ref. 35805], Golani & Fricke 2018:29 [ref. 36273]). Current status: Valid as Yirrkala Whitley 1940. Ophichthidae: Ophichthinae.

Zonophichthus Whitley [G. P.] 1930:250 Masc. Ophichthys cephalozona Bleeker 1864. Type by original designation. Objective junior synonym of Centrurophis Kaup 1756. •Synonym of Ophichthus Thunberg 1789 -- (Kottelat 2013:46 [ref. 32989]). •Synonym of Ophichthus Ahl 1789 -- (Blache et al. 1973:247 [ref. 7185], McCosker 1977:80 [ref. 6836], McCosker et al. 1989:379 [ref. 13288], McCosker 1999:575 [ref. 23699]). Current status: Synonym of Ophichthus Ahl 1789. Ophichthidae: Ophichthinae.