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Genera in the family or subfamily Sphyrnidae: [ 17 ] records

Cestraciom Walbaum [J. J.] (ex Klein) 1792:580 Not available, published in a part of work rejected for nomenclatural purposes in Opinion 21 (1938). Based on Klein 1742:12 [ref. 30141]. •In the synonymy of Sphyrna Rafinesque 1810. Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Cestracion Ogilby [J. D.] (ex Walbaum after Klein) 1916:81 Neut. Squalus zygaena Linnaeus 1758. Type by original designation (name in parentheses). Validates Cestracion Walbaum 1792 (rejected work). Appears to have been described independently of Gill 1862. •Objective synonym of Sphyrna Rafinesque 1810. Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Cestracion Klein [J. T.] 1776:523 Neut. Not available, published in a work that does not conform to the principle of binominal nomenclature. •In the synonymy of Sphyrna Rafinesque 1810 -- (Gilbert 1967:10 [ref. 21135], Gilbert 1973:32 [ref. 7164], Cappetta 1987:127 [ref. 6348]). Suppressed. Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Cestracion Gill [T. N.] (ex Klein) 1862:403 Neut. Squalus zygaena Linnaeus 1758. Type by original designation (also monotypic). Spelled Cestralion by Müller & Henle 1838:85 [ref. 3068]. •Objective synonym of Sphyrna Rafinesque 1810 -- (Compagno 1984:541 [ref. 6846], Compagno 1988:362 [ref. 13488]). Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Cestrorhinus (subgenus of Squalus) Blainville [H. de] 1816:121 Masc. Squalus zygaena Linnaeus 1758. Type by subsequent designation. Type designated by Jordan & Evermann 1896:43 [ref. 2443], also by Fowler 1911:77 [ref. 6398]. •Objective synonym of Sphyrna Rafinesque 1810 -- (Gilbert 1967:10 [ref. 21135], Gilbert 1973:32 [ref. 7164], Compagno 1984:541 [ref. 6846], Cappetta 1987:127 [ref. 6348], Compagno 1988:362 [ref. 13488]). Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Eusphyra Gill [T. N.] 1862:403 Fem. Zygaena blochii Cuvier 1816. Type by original designation (also monotypic). Also in Gill 1862:412 [ref. 4910] where author of species is clear. Eusphyrna is a misspelling. •Valid as Eusphyra Gill 1862 -- (Gilbert 1967:10 [ref. 21135], Compagno 1984:540 [ref. 6846], Compagno 1988:370 [ref. 13488], Compagno 1999:484 [ref. 25589], Compagno et al. 2005:45 [ref. 29145], Hoese et al. 2006:110 [ref. 29001], Lim et al. 2010:575 [ref. 39445], White et al. 2017:184 [ref. 35860], White & Ko'ou 2018:42 [ref. 35922]). Current status: Valid as Eusphyra Gill 1862. Sphyrnidae.

Mesozygaena (subgenus of Sphyrna) Compagno [L. J. V.] 1988:362, 366 Fem. Sphyrna corona Springer 1940. Type by original designation. •Synonym of Sphyrna Rafinesque 1810, but a valid subgenus Mesozygaena as described -- (Compagno 1999:484 [ref. 25589]). Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Platysqualus (subgenus of Zygaena) Swainson [W.] 1839:192, 318 Masc. Squalus tiburo Linnaeus 1758. Type by monotypy. •Synonym of Sphyrna Rafinesque 1810 -- (Gilbert 1967:10 [ref. 21135], Compagno 1984:541 [ref. 6846], Cappetta 1987:127 [ref. 6348], Compagno 1988:362 [ref. 13488], Castro-Aguirre et al. 1999:52 [ref. 24550]). •Synonym of Sphyrna Rafinesque 1810, but a valid subgenus Platysqualus as described -- (Compagno 1999:484 [ref. 25589]). Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Reniceps Gill [T. N.] 1862:403 Neut. Squalus tiburo Linnaeus 1758. Type by original designation (also monotypic). Also in Gill 1862:412 [ref. 4910] where author of species is clear. •Objective synonym of Platysqualus Swainson 1839. •Synonym of Sphyrna Rafinesque 1810 -- (Gilbert 1967:10 [ref. 21135], Compagno 1984:541 [ref. 6846], Cappetta 1987:127 [ref. 6348], Compagno 1988:362 [ref. 13488], Castro-Aguirre et al. 1999:52 [ref. 24550]). Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Sphyra Van der Hoeven [J.] 1855:68 Fem. Squalus zygaena Linnaeus 1758. Apparently an unjustified emendation or incorrect subsequent spelling of Sphyrna Rafinesque 1810. •In the synonymy of Sphyrna Rafinesque 1810 -- (Gilbert 1973:32 [ref. 7164], Compagno 1984:541 [ref. 6846], Cappetta 1987:127 [ref. 6348], Compagno 1988:362 [ref. 13488]). Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Sphyrichthys Thienemann [F. A. L.] 1828:408 Masc. Squalus zygaena Linnaeus 1758. Type by being a replacement name. Unneeded new name for Sphyrna Rafinesque 1810, not preoccupied. •Objective synonym of Sphyrna Rafinesque 1810 -- (Gilbert 1967:10 [ref. 21135], Gilbert 1973:32 [ref. 7164], Compagno 1984:541 [ref. 6846], Cappetta 1987:127 [ref. 6348], Compagno 1988:362 [ref. 13488]). Replacement Name. Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Sphyrna Rafinesque [C. S.] 1810:46, 60 Fem. Squalus zygaena Linnaeus 1758. Type by subsequent designation. Type designated by Bonaparte 1838:10 (of separate, see also p. 2) [ref. 4979]; also designated by Jordan & Gilbert 1883:26 [ref. 2476]. •Valid as Sphyrna Rafinesque 1810 -- (Gilbert 1967:10 [ref. 21135], Gilbert 1973:32 [ref. 7164], Quéro in Whitehead et al. 1984:123 [ref. 13675], Compagno 1984:541 [ref. 6846], Nakaya in Masuda et al. 1984:7 [ref. 6441], Bass 1986:96 [ref. 5635], Cappetta 1987:127 [ref. 6348], McEachran & Séret 1987:39 [ref. 41918], Compagno 1988:362 [ref. 13488], Paxton et al. 1989:86 [ref. 12442], Gomon et al. 1994:138 [ref. 22532], Castro-Aguirre et al. 1999:52 [ref. 24550], Compagno 1999:484 [ref. 25589], Compagno 2003:498 [ref. 26984], Compagno et al. 2005:45 [ref. 29145], Hoese et al. 2006:110 [ref. 29001], White 2008:73 [ref. 30617], Lim et al. 2010:575 [ref. 39445], Lipej & Dulčić 2010:9 [ref. 36649], Castro 2011:504 [ref. 31457], Moore et al. 2012:11 [ref. 31771], Weigmann 2012:2 [ref. 31968], Parin et al. 2014:24 [ref. 33547], Duffy 2015:108 [ref. 34217], Dyldin 2015:54 [ref. 34524], Del Moral-Flores et al. 2016:97 [ref. 34398], White et al. 2017:186 [ref. 35860], Dyldin & Orlov 2018:165 [ref. 35920], Ehemann et al. 2018:22 [ref. 36194], Fricke et al. 2018:17 [ref. 35805], Golani & Fricke 2018:13 [ref. 36273], White & Ko'ou 2018:43 [ref. 35922], Brown et al. 2019:153 [ref. 36444], Fricke et al. 2019:42 [ref. 36673], Ebert et al. 2021:68 [ref. 38234], Gonzalez et al. 2024:491 [ref. 41605]). Current status: Valid as Sphyrna Rafinesque 1810. Sphyrnidae.

Sphyrnias Rafinesque [C. S.] 1815:93 Masc. Not available, incorrect subsequent spelling (or unjustified emendation) for Sphyrna Rafinesque 1810. •In the synonymy of Sphyrna Rafinesque 1810 -- (Gilbert 1967:10 [ref. 21135], Gilbert 1973:32 [ref. 7164], Compagno 1984:541 [ref. 6846], Cappetta 1987:127 [ref. 6348]). Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Zygaena (subgenus of Squalus) Cuvier [G.] 1816:127 Fem. Squalus zygaena Linnaeus 1758. Type by monotypy (also by absolute tautonymy). Misspelled or unjustifiably emended to Zygana by Swainson 1838:139 [ref. 4302] and 1839:192, 318 [ref. 4303]. Objectively invalid; preoccupied by Zugaena Fabricius 1775 in Lepidoptera. •In the synonymy of Sphyrna Rafinesque 1810 -- (Gilbert 1967:10 [ref. 21135], Gilbert 1973:32 [ref. 7164], Compagno 1984:541 [ref. 6846], Cappetta 1987:127 [ref. 6348], Compagno 1988:362 [ref. 13488], Castro-Aguirre et al. 1999:52 [ref. 24550]). 1°Homonym. Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Zygana Swainson [W.] 1838:133, 139 Fem. Also in Swainson 1839:192, 318 [ref. 4303]. Misspelling or unjustified emendation of Zygaena Cuvier 1816, Swainson specifically referring to "Zygana Antiq." (pre-Linnaean authors spelled it Zygaena as did Cuvier). •In the synonymy of Sphyrna Rafinesque 1810 -- (Gilbert 1973:32 [ref. 7164], Compagno 1988:362 [ref. 13488]). Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Zyganna Billberg [G. J.] 1833:51 Fem. Squalus zygaena Linnaeus 1758. Type by being a replacement name. Unnecessary replacement name for Zygaena Cuvier 1816. •In the synonymy of Sphyrna Rafinesque 1810 -- (Kullander 2016:108 [ref. 34147]). Replacement Name. Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.

Zygoena Risso [A.] 1827:125 Fem. Squalus zygaena Linnaeus 1758. Apparently a misspelling of Zygaena Cuvier 1816, but perhaps independently described. •Synonym of Sphyrna Rafinesque 1810 -- (Gilbert 1967:10 [ref. 21135], Gilbert 1973:32 [ref. 7164], Compagno 1984:541 [ref. 6846], Compagno 1988:362 [ref. 13488]). Current status: Synonym of Sphyrna Rafinesque 1810. Sphyrnidae.