immaculatus, Halaelorus Chu [Y.-T.] & Meng [Q.-W.] in Chu, Meng, Hu & Li 1982:301 [English p. 309], Fig. 1 [Oceanologia et Limnologia Sinica v. 13 (no. 4); ref. 8492] South China Sea, 19°24.8'N, 114°23.6'E, depth 1020 meters. Holotype: SCSFRI O 0094. Paratypes: SCIFRI O 0033 (1), S 16890 (1). •Valid as Halaelurus immaculatus Chu & Meng 1982 -- (Compagno 1984:326 [ref. 6846], Compagno & Niem 1998:1285 [ref. 23787], Paulin et al. 1989:22 [ref. 24556], Compagno 1999:479 [ref. 25589], Compagno in Randall & Lim 2000:579 [ref. 25122]). •Valid as Bythaelurus immaculatus (Chu & Meng 1982) -- (White et al. 2007:1 [ref. 29295], Last & Stevens 2008:123 [ref. 29681], McCosker et al. 2012:58 [ref. 31823], White & Last 2013:237 [ref. 33042], Ebert & Clerkin 2015:54 [ref. 33848], Kaschner et al. 2015:120 [ref. 33953], Weigmann 2016:36 [ref. 34211], Weigmann et al. 2016:428 [ref. 34984], Weigmann & Kaschner 2017:114 [ref. 35311], Weigmann et al. 2018:37 [ref. 36365]). Current status: Valid as Bythaelurus immaculatus (Chu & Meng 1982). Pentanchidae. Distribution: Western central Pacific: South China Sea. Habitat: marine.