Species that contain: Bathysaurus and ferox [ 3 ] records

agassizii, Bathysaurus Goode [G. B.] & Bean [T. H.] 1883:215 [Bulletin of the Museum of Comparative Zoology v. 10 (no. 5); ref. 1838] Atlantic, 33°35'20"N, 76°00'00"W, Blake station 325, depth 647 fathoms. Holotype (unique): MCZ 25874. •Synonym of Bathysaurus ferox Günther 1878 -- (Nielsen 1973:163 [ref. 6885], Sulak in Whitehead et al. 1984:406 [ref. 13675], McAllister 1990:100 [ref. 14674], Sulak 1990:365 [ref. 15106], Gomon et al. 1994:269 [ref. 22532], Moore et al. 2003:193 [ref. 27076]). Current status: Synonym of Bathysaurus ferox Günther 1878. Bathysauridae. Habitat: marine.

chavesi, Macristium Regan [C. T.] 1903:345 [Annals and Magazine of Natural History (Series 7) v. 12 (no. 69) (art. 31); ref. 3619] Azore, northeastern Atlantic. Holotype (unique): BMNH [ex MCM] (110 mm SL, missing). •Valid as Macristium chavesi Regan 1902 -- (Maul 1973:113 [ref. 7171]). •Synonym of Bathysaurus ferox Günther 1878 -- (Sulak in Whitehead et al. 1984:406 [ref. 13675], Sulak 1990:365 [ref. 15106]). Current status: Synonym of Bathysaurus ferox Günther 1878. Bathysauridae. Habitat: marine.

ferox, Bathysaurus Günther [A.] 1878:182 [15] [Annals and Magazine of Natural History (Series 5) v. 2 (nos 7/8/9)(art. 2/22/28); ref. 2010] East coast of New Zealand, Challenger station 168, depth 1100 fathoms. Holotype (unique): BMNH 1887.12.7.191. On p. 15 of separate. See also Günther 1887:181, Pl. 46 (fig. A) [ref. 2013]. •Valid as Bathysaurus ferox Günther 1878 -- (Sulak in Whitehead et al. 1984:406 [ref. 13675], Cressey 1986:270 [ref. 6289], Scott & Scott 1988:190 [ref. 25518], Paulin et al. 1989:108 [ref. 24556], Paxton et al. 1989:241 [ref. 12442], Shcherbachev et al. 1989:165 [ref. 36134], McAllister 1990:100 [ref. 14674], Inada in Amaoka et al. 1990:127 [ref. 16024], Sulak 1990:365 [ref. 15106], Gomon et al. 1994:269 [ref. 22532], Heemstra in Smith & Heemstra 1995:270 [ref. 21953], Santos et al. 1997:40 [ref. 23531], Arruda 1997:41 [ref. 24952], Russell 1999:1947 [ref. 24747], Pakhorukov 2001:378 [ref. 25409], Hutchins 2001:20 [ref. 25847], Figueiredo & Menezes in Menezes et al. 2003:49 [ref. 27192], Moore et al. 2003:193 [ref. 27076], Russell 2003:932 [ref. 27004], Paxton et al. 2006:502 [ref. 28994], Gomon 2008:262 [ref. 30616], Møller et al. 2010:32 [ref. 31169], Russell 2015:608 [ref. 34255], Bañón et al. 2016:311 [ref. 34397], Russell 2016:1852 [ref. 34572], Konstantinidis & Johnson 2016:4 [ref. 35192], Williams et al. 2018:99 [ref. 36359], Carneiro et al. 2019:109 [ref. 37250], Bañón & Maño 2021:55 [ref. 38883], Page et al. 2023:92 [ref. 40505]). Current status: Valid as Bathysaurus ferox Günther 1878. Bathysauridae. Distribution: Circumglobal, but not in eastern Pacific. Habitat: marine.