Species that contain: Derichthys and serpentinus [ 4 ] records

anguilloides, Leptocephalus Schmidt [E. J.] 1916:17, Figs. 12-14 [Meddelelser fra Kommissionen for havundersøgelser, Serie Fiskeri v. 5 (no. 4); ref. 15067] North Atlantic. No types known. •Synonym of Derichthys serpentinus Gill 1884 -- (Karmovskaya 1985:887 [ref. 21815], Robins 1989:424 [ref. 13289], Smith 1989:917 [ref. 13285], Smith 1990:193 [ref. 13759]). Current status: Synonym of Derichthys serpentinus Gill 1884. Derichthyidae. Habitat: marine.

iselini, Derichtys Borodin [N. A.] 1929:110 [Proceedings of the New England Zoölogical Club v. 10; ref. 15886] North Atlantic, 50°41'N, 27°17'W, depth 1000-0 fathoms. Holotype (unique): MCZ 31670. Original genus should have been spelled Derichthys. •Synonym of Derichthys serpentinus Gill 1884 -- (Blache et al. 1973:244 [ref. 7185], Karmovskaya 1985:887 [ref. 21815], Robins 1989:424 [ref. 13289], Smith 1990:193 [ref. 13759]). Current status: Synonym of Derichthys serpentinus Gill 1884. Derichthyidae. Habitat: marine.

kempi, Grammatocephalus Norman [J. R.] 1930:339, Fig. 34 [Discovery Reports v. 2; ref. 3219] Off Cape Town, South Africa, southeastern Atlantic, Discovery station 101, 33°50'-34°13'S, 16°04'-15°49'E, depth 850-950 meters. Holotype (unique): BMNH 1930.1.12.919. •Synonym of Derichthys serpentinus Gill 1884 -- (Karmovskaya 1985:887 [ref. 21815], Castle 1986:192 [ref. 5644], Robins 1989:424 [ref. 13289], Smith 1990:193 [ref. 13759]). Current status: Synonym of Derichthys serpentinus Gill 1884. Derichthyidae. Habitat: marine.

serpentinus, Derichthys Gill [T. N.] 1884:433 [American Naturalist v. 18 (no. 4); ref. 1728] Western North Atlantic, 39°44'30"N, 71°04'00"W, Albatross station 2094, depth 1022 fathoms. Holotype: USNM 33523 (skull). Type catalog: Smith 1994:13 [ref. 21917]. •Valid as Derichthys serpentinus Gill 1884 -- (Blache et al. 1973:244 [ref. 7185], Karmovskaya 1985:887 [ref. 21815], Bauchot & Saldanha in Whitehead et al. 1986:575 [ref. 13676], Castle 1986:192 [ref. 5644], Scott & Scott 1988:92 [ref. 25518], Pequeño 1989:25 [ref. 14125], Robins 1989:424 [ref. 13289], Smith 1989:917 [ref. 13285], Paulin et al. 1989:76 [ref. 24556], McAllister 1990:49 [ref. 14674], Smith 1990:193 [ref. 13759], Santos et al. 1997:22 [ref. 23531], Fricke 1999:71 [ref. 24106], Smith 1999:1672 [ref. 24661], Nakabo 2000:236 [ref. 25086], Tighe & Smith in Collette & Klein-MacPhee 2002:98 [ref. 26158], Nakabo 2002:236 [ref. 26001], Figueiredo & Menezes in Menezes et al. 2003:36 [ref. 27192], Smith 2003:737 [ref. 26989], Moore et al. 2003:174 [ref. 27076], Love et al. 2005:21 [ref. 37547], Mundy 2005:136 [ref. 28379], Paxton et al. 2006:281 [ref. 28995], Wirtz et al. 2014:3 [ref. 33516], Smith & Stewart 2015:260 [ref. 34234], Smith 2016:1672 [ref. 34556], Nión et al. 2016:25 [ref. 35565], Fricke et al. 2018:47 [ref. 35805], Brown et al. 2019:156 [ref. 36444], Carneiro et al. 2019:63 [ref. 37250], Misawa et al. 2020:270 [ref. 38138], Sutton et al. 2020:20 [ref. 37832], Love et al. 2021:37 [ref. 39279], Fermon et al. 2022:116 [ref. 39448] with question, Page et al. 2023:53 [ref. 40505]). Current status: Valid as Derichthys serpentinus Gill 1884. Derichthyidae. Distribution: Circumglobal in tropical and warm temperate seas. Habitat: marine.