vitulus, Hexanchus Springer [S.] & Waller [R. A.] 1969:160, Figs. 1, 2A, 3-4 [Bulletin of Marine Science v. 19 (no. 1); ref. 7849] Near Bimini, Bahamas, Western Atlantic, depth about 350 meters. Holotype: USNM 200674. Paratypes: USNM 200675 (1). Additional material: MCZ 36219 (2 + 1, jaws); CAS-SU 30642 (2, embryos); USNM 11260 (1, jaws), 110900 (1, jaws), 186120 (1). Type catalog: Howe & Springer 1993:14-15 [ref. 21812]. •Synonym of Hexanchus griseus (Bonnaterre 1788) -- (Castro-Aguirre & Garcia-Dominguez 1988:100 [ref. 19199]). •Synonym of Hexanchus nakamurai Teng 1962 -- (Boeseman in Whitehead et al. 1984:74 [ref. 13675], Taniuchi & Tachikawa 1991:57 [ref. 20094], Last & Stevens 1994:42 [ref. 23873], Herman et al. 1994:153 [ref. 27820], Cervigón & Alcalá 1999:22 [ref. 24490], Compagno 2003:376 [ref. 26984], Bunkley-Williams & Williams 2004:92 [ref. 27795], Espinosa Pérez et al. 2004:88 [ref. 27705], Compagno et al. 2005:48 [ref. 29145], Fricke et al. 2009:11 [ref. 30213], Castro 2011:36 [ref. 31457], Castro 2011:36 [ref. 31457], Ebert et al. 2013:22 [ref. 33032], Weigmann 2016:52 [ref. 34211]). •Valid as Hexanchus vitulus Springer & Waller 1969 -- (Boeseman 1973:8 [ref. 7161], Compagno 1984:20 [ref. 6474], Bass et al. 1986:46 [ref. 5638], Robins & Ray 1986:17 [ref. 23100], Springer 1990:3 [ref. 19315], Cervigón 1992:179 [ref. 23827], McEachran & Fechhelm 1998:101 [ref. 23897], Fricke 1999:12 [ref. 24106], McLaughlin & Morrissey 2004:482 [ref. 28052], Heemstra & Heemstra 2004:52 [ref. 28072], Daly-Engel et. al. 2018:[2] 760 [ref. 35806], Ehemann et al. 2018:23 [ref. 36194], Ehemann et al. 2019:[3] [ref. 36861], Castillo Domínguez et al. 2023:4 [ref. 40663], Page et al. 2023:36 [ref. 40505], Fricke et al. 2024:59 [ref. 41622]). Current status: Valid as Hexanchus vitulus Springer & Waller 1969. Hexanchidae. Distribution: Western Atlantic: Bahamas; Gulf of Mexico (U.S.A., Mexico) and Caribbean Sea south to Belize and Venezuela. Habitat: marine.
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