macrurus, Heterenchelys Regan [C. T.] 1912:323 [Annals and Magazine of Natural History (Series 8) v. 10 (no. 57); ref. 3647] Elobey Grande Island, Equatorial Guinea, western Africa. Syntypes: BMNH 1872.10.17.1 (1) Lagos, 1872.10.17.2 (1, skeleton) Lagos, 1882.2.13.8 (1) Elobi. •Valid as Pythonichthys macrurus (Regan 1912) -- (Smith 1989:52 [ref. 13285], Smith 1990:154 [ref. 13454], Smith et al. 2012:491 [ref. 32196], Smith 2016:1610 [ref. 34556], Reiner 2019:57 [ref. 38139], Fermon et al. 2022:113 [ref. 39448]). Current status: Valid as Pythonichthys macrurus (Regan 1912). Heterenchelyidae. Distribution: Eastern Atlantic: Sierra Leone south to Angola, including São Tomé and Principe. Habitat: marine.