euryurus, Leptocephalus Lea [E.] 1913:25, Figs. 21-22; Pl. 4 (no. 4) [Scientific Results of the Michael Sars North Atlantic Deep-Sea Expedition 1910 v. 3 (pt 1, no. 7); ref. 14158] North Atlantic, 28°52'N, 14°16'W, station 34, 200-500 m; 28°42'N, 20°00'W, station 45, depth 1000 meters. Syntypes: (2) ZMUB 2502 (2?). Type catalog: Frøiland 1979:146 [ref. 21547]. •Valid as Anarchias euryurus (Lea 1913) -- (Bauchot in Whitehead et al. 1986:538 [ref. 13676], Smith & Böhlke 1990:136 [ref. 19379], Santos et al. 1997:19 [ref. 23531], Arruda 1997:54 [ref. 24952]). •Synonym of Anarchias longicauda (Peters 1877) -- (Smith 2012:34 [ref. 32155], Smith & Brito 2016:1637 [ref. 34557], Kovačić et al. 2021:88 [ref. 39014]). Current status: Synonym of Anarchias longicauda (Peters 1877). Muraenidae: Uropterygiinae. Distribution: Eastern Atlantic: Azores south to Gulf of Guinea [if valid]. Habitat: marine.