longicauda, Muraena Peters [W. (C. H.)] 1877:850 [Monatsberichte der Königlichen Preussischen Akademie der Wissenschaften zu Berlin 1876; ref. 3454] South of Leton Rock, Atlantic, 15°40'01"N, 23°05'08"W, depth 38 fathoms. Holotype (unique): ZMB 9776. Possible types: ZMB 9776 (1). Apparently longicauda is treated as a noun by Smith 2012:34 [ref. 32155]. •Valid as Anarchias longicaudus (Peters 1877) -- (Böhlke et al. 1989:117, 120 [ref. 13286], Reece et al. 2010:421 [ref. 30969]). •Valid as Anarchias longicauda (Peters 1877) -- (Smith 2012:33 [ref. 32155], Wirtz et al. 2013:117 [ref. 32972], Smith & Brito 2016:1637 [ref. 34557], Carneiro et al. 2019:60 [ref. 37250], Reiner 2019:63 [ref. 38139], Fermon et al. 2022:113 [ref. 39448]). Current status: Valid as Anarchias longicauda (Peters 1877). Muraenidae: Uropterygiinae. Distribution: Atlantic: Western Sahara south to Congo, including Azores and São Tomé and Principe. Habitat: marine.