alcockii, Halaelurus Garman [S.] 1913:87 [Memoirs of the Museum of Comparative Zoology v. 36; ref. 1545] Arabian Sea, off Oman, 23°N, 66°08'E, depth 620-690 fathoms. Holotype: ZSI F68/1 (lost). Based on Scyllium canescens of Alcock 1896:310 [ref. 91]. Reasons for loss of ZSI type specimens during WWII see Chopra 1947:349-350 [ref. 33077]. •Valid as Halaelurus alcockii Garman 1913 -- (Compagno 1984:321 [ref. 6846]). •Questionably valid as Halaelurus alcocki Garman 1913 -- (Compagno 1999:479 [ref. 25589], Last & Stevens 2008:123 [ref. 29681]). •Valid as Bythaelurus alcockii (Garman 1913) -- (White et al. 2007:1 [ref. 29295], McCosker et al. 2012:58 [ref. 31823], Ebert & Clerkin 2015:54 [ref. 33848], Kaschner et al. 2015:120 [ref. 33953] but status uncertain, Weigmann 2016:35 [ref. 34211], Weigmann et al. 2016:428 [ref. 34984], Weigmann & Kaschner 2017:114 [ref. 35311], Weigmann et al. 2018:36 [ref. 36365]). Current status: Valid as Bythaelurus alcockii (Garman 1913). Pentanchidae. Distribution: Northwestern Indian Ocean: Arabian Sea. Habitat: marine.