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Genera in the family or subfamily Somniosidae: [ 12 ] records

Brevisomniosus (subgenus of Somniosus) Quéro [J.-C.] 1976:463, 467 Masc. Not available, two included species and neither designated as type after 1930 (Art. 13.3); subsequent publication in an available way not researched. •In the synonymy of Somniosus Lesueur 1818 -- (Compagno 1984:102 [ref. 6474]). • In the synonymy of Somniosus Lesueur 1818, subgenus Rhinoscymnus Gill 1865 -- (Yano et al. 2004:363 [ref. 28078]). Current status: Synonym of Somniosus Lesueur 1818. Somniosidae.

Centroscymnus Barbosa du Bocage [J. V.] & de Brito Capello [F.] 1864:263 Masc. Centroscymnus coelolepis Barbosa du Bocage & de Brito Capello 1864. Type by monotypy. •Valid as Centroscymnus Barbosa du Bocage & de Brito Capello 1864 -- (Krefft & Tortonese 1973:40 [ref. 7165], McEachran & Branstetter in Whitehead et al. 1984:134 [ref. 13675], Compagno 1984:53 [ref. 6474], Bass et al. 1986:52 [ref. 5636], Taniuchi & Garrick 1986:119 [ref. 5721], Paxton et al. 1989:32 [ref. 12442], Gomon et al. 1994:94 [ref. 22532], Compagno 1999:474 [ref. 25589], Compagno 2003:404 [ref. 26984], Hoese & Gates 2006:141 [ref. 28997], White 2008:91 [ref. 30617], Mecklenburg et al. 2011:115 [ref. 31212], Castro 2011:115 [ref. 31457], White & Last 2013:232 [ref. 33242], Weigmann et al. 2015:[1] [ref. 34060], Stewart & Last 2015:151 [ref. 34225], Del Moral-Flores et al. 2016:62 [ref. 34398], Ehemann et al. 2018:23 [ref. 36194], Fricke et al. 2018:20 [ref. 35805], Ebert et al. 2021:30 [ref. 38234]). Current status: Valid as Centroscymnus Barbosa du Bocage & de Brito Capello 1864. Somniosidae.

Centroselachus Garman [S.] 1913:206 Masc. Centrophorus crepidater Barbosa du Bocage & de Brito Capello 1864. Type by monotypy. •Synonym of Centroscymnus Barbosa du Bocage & de Brito Capello 1864 -- (Krefft & Tortonese 1973:40 [ref. 7165], Compagno 1984:53 [ref. 6474]). •Valid as Centroselachus Garman 1913 -- (White et al. 2014:7 [ref. 33542], Stewart & Last 2015:154 [ref. 34225], Bañón et al. 2016:299 [ref. 34397], Fricke et al. 2018:20 [ref. 35805], Ebert et al. 2021:31 [ref. 38234]). Current status: Valid as Centroselachus Garman 1913. Somniosidae.

Heteroscymnus Tanaka [S.] 1912:102 Masc. Heteroscymnus longus Tanaka 1912. Type by original designation (also monotypic). •Synonym of Somniosus Lesueur 1818 -- (Compagno 1984:102 [ref. 6474]). •Synonym of Somniosus Lesueur 1818, subgenus Rhinoscymnus Gill 1865 -- (Yano et al. 2004:363 [ref. 28078]). Current status: Synonym of Somniosus Lesueur 1818. Somniosidae.

Laemargus Müller [J.] & Henle [F. G. J.] 1837:116 Masc. Squalus borealis Scoresby 1820. Type by subsequent designation. Dates to Müller & Henle 1837:116 without species. Three species in Müller & Henle 1839:93 [ref. 3069]. Type apparently designated first by Jordan 1919:192 [ref. 2410]. Not mentioned in Yano et al. 2004 [ref. 28078]. •Synonym of Somniosus Lesueur 1818 -- (Krefft & Tortonese 1973:46 [ref. 7165], Compagno 1984:102 [ref. 6474], Cappetta 1987:62 [ref. 6348]). Current status: Synonym of Somniosus Lesueur 1818. Somniosidae.

Leiodon Wood [W.] 1846:174 Masc. Leiodon echinatum Wood 1846. Type by monotypy. Objectively invalid; preoccupied by Leiodon Swainson 1839 in fishes and by Leiodon Owen 1841 in Reptilia, apparently not replaced. Not mentioned in Yano et al. 2004 [ref. 28078]. •Synonym of Somniosus Lesueur 1818 -- (Compagno 1984:102 [ref. 6474], Cappetta 1987:62 [ref. 6348]). 1°Homonym. Current status: Synonym of Somniosus Lesueur 1818. Somniosidae.

Proscymnodon (subgenus of Scymnodon) Fowler [H. W.] 1934:239 Masc. Centrophorus plunketi Waite 1910. Type by original designation (also monotypic). •Synonym of Centroscymnus Barbosa du Bocage & Brito Capello 1864 -- (Compagno 1984:53 [ref. 6474]). •Synonym of Scymnodon Barboza du Bocage & de Brito Capello 1864 -- (White et al. 2014:8 [ref. 33542]). Current status: Synonym of Scymnodon Barbosa du Bocage & de Brito Capello 1864. Somniosidae.

Rhinoscymnus Gill [T. N.] 1865:264 Masc. Scymnus rostratus Risso 1827. Type by monotypy. •Synonym of Somniosus Lesueur 1818 -- (Compagno 1984:102 [ref. 6474], Cappetta 1987:62 [ref. 6348]). •Synonym of Somniosus Lesueur 1818, but a valid subgenus Rhinoscymnus -- (Yano et al. 2004:363 [ref. 28078], Hsu et al. 2020:1 [ref. 37776]). Current status: Synonym of Somniosus Lesueur 1818. Somniosidae.

Scymnodalatias Garrick [J. A. F.] 1956:564 Masc. Scymnodon sherwoodi Archey 1921. Type by original designation (also monotypic). •Valid as Scymnodalatias Garrick 1956 -- (Compagno 1984:96 [ref. 6474], Taniuchi & Garrick 1986:120 [ref. 5721], Kukuev & Konovalenko 1988:315 [ref. 9290], Nakaya & Nakano 1995:325 [ref. 22835], Compagno 1999:474 [ref. 25589], Hoese & Gates 2006:147 [ref. 28997], Kukuev 2006:811 [ref. 31008], Stewart & Last 2015:156 [ref. 34225], Ebert et al. 2021:32 [ref. 38234]). Current status: Valid as Scymnodalatias Garrick 1956. Somniosidae.

Scymnodon Barbosa du Bocage [J. V.] & de Brito Capello [F.] 1864:263 Masc. Scymnodon ringens Barbosa du Bocage & de Brito Capello 1864. Type by monotypy. •Synonym of Centroscymnus Barbosa du Bocage & de Brito Capello 1864 -- (Bass et al. 1986:52). •Valid as Scymnodon Bocage & Capello 1864 -- (Krefft & Tortonese 1973:44 [ref. 7165], McEachran & Branstetter in Whitehead et al. 1984:141 [ref. 13675], Compagno 1984:97 [ref. 6474], Taniuchi & Garrick 1986:119 [ref. 5721], Cappetta 1987:60 [ref. 6348], Paxton et al. 1989:36 [ref. 12442], Wetherbee & Crow 1996:335 [ref. 22434], Compagno 1999:474 [ref. 25589], Castro 2011:115 [ref. 31457], White & Last 2013:234 [ref. 33242], White et al. 2014:8 [ref. 33542], Stewart & Last 2015:158 [ref. 34225], Bañón et al. 2016:299 [ref. 34397]). Current status: Valid as Scymnodon Barbosa du Bocage & de Brito Capello 1864. Somniosidae.

Somniosus Lesueur [C. A.] 1818:222 Masc. Somniosus brevipinna Lesueur 1818. Type by monotypy. Proposed as a "subgenus, allied to the genus Aiguillats (Spix, Cuv.)." Somnolentus Swainson 1838:146 [ref. 4302] is regarded as an incorrect subsequent spelling. •Valid as Somniosus Lesueur 1818 -- (Krefft & Tortonese 1973:46 [ref. 7165], McEachran & Branstetter in Whitehead et al. 1984:143 [ref. 13675], Compagno 1984:102 [ref. 6474], Bass et al. 1986:60 [ref. 5636], Cappetta 1987:62 [ref. 6348], Compagno 1990:84 [ref. 21678], Miller 1993:472 [ref. 21297], Compagno 1999:474 [ref. 25589], Mecklenburg et al. 2002:86 [ref. 25968], Yano et al. 2004:363 [ref. 28078] with 2 subgenera, Hoese & Gates 2006:147 [ref. 28997], Benz et al. 2007:343 [ref. 29289], Parin & Kotlyar 2007:669 [ref. 31012], Mecklenburg et al. 2011:115 [ref. 31212], Castro 2011:115 [ref. 31457], Parin et al. 2014:27 [ref. 33547], Orlov & Baitalyux 2014:533 [ref. 33577], Stewart & Last 2015:159 [ref. 34225], Dyldin 2015:55 [ref. 34524], Pietsch & Orr 2015:16 [ref. 34694], Bañón et al. 2016:299 [ref. 34397], Mecklenburg et al. 2016:15 [ref. 34440], Del Moral-Flores et al. 2016:63 [ref. 34398], Dyldin & Orlov 2018:165 [ref. 35920], Ehemann et al. 2018:24 [ref. 36194], Fricke et al. 2018:20 [ref. 35805], Hsu et al. 2020:1 [ref. 37776], Ebert et al. 2021:32 [ref. 38234]). Current status: Valid as Somniosus Lesueur 1818. Somniosidae.

Zameus Jordan [D. S.] & Fowler [H. W.] 1903:632 Masc. Centrophorus squamulosus Günther 1877. Type by original designation (also monotypic). •Synonym of Scymnodon Barbosa du Bocage & Brito Capello 1864 -- (Compagno 1984:97 [ref. 6474]). •Valid as Zameus Jordan & Fowler 1903 -- (Taniuchi & Garrick 1986:119 [ref. 5721], Meléndez C. 1991:89 [ref. 22099], Compagno 2003:404 [ref. 26984], Hoese & Gates 2006:148 [ref. 28997], White 2008:1 [ref. 30617], Castro 2011:115 [ref. 31457], Akhilesh et al. 2013:127 [ref. 33120], White et al. 2014:7 [ref. 33542], Stewart & Last 2015:161 [ref. 34225], Del Moral-Flores et al. 2016:63 [ref. 34398], Ehemann et al. 2018:24 [ref. 36194], Golani & Fricke 2018:13 [ref. 36273], Ebert et al. 2021:33 [ref. 38234]). Current status: Valid as Zameus Jordan & Fowler 1903. Somniosidae.