nigromarginata, Neomuraena Girard [C. F.] 1858:171 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 10; ref. 1813] St. Joseph Island, Texas, U.S.A. Holotype (unique): USNM 860 [= USNM 7004]. Type catalog: Smith 1994:22-23 [ref. 21917]. See also Girard 1859:76, Pl. 41 [ref. 13405]. •Valid as Gymnothorax nigromarginatus (Girard 1858) -- (Robins & Ray 1986:53 [ref. 23100], Böhlke et al. 1989:172 [ref. 13286], Smith 1989:907 [ref. 13285], Boschung 1992:32 [ref. 23239], Cervigón 1992:367 [ref. 23827], McEachran & Fechhelm 1998:237 [ref. 23897], Castro-Aguirre et al. 1999:104 [ref. 24550], Schmitter-Soto et al. 2000:148 [ref. 27754], Camargo & Isaac 2001:139 [ref. 27639] as Gimnothorax, Böhlke & Smith 2003:717 [ref. 26990], Nelson et al. 2004:61 [ref. 27807], Smith 2012:22 [ref. 32155], Page et al. 2013:61 [ref. 32708], Carvalho-Filho et al. in Marceniuk et al. 2021:100 [ref. 38945], Robertson et al. 2022:86 [ref. 39353], Carvalho-Filho 2023:54 [ref. 40480], Page et al. 2023:52 [ref. 40505]). Current status: Valid as Gymnothorax nigromarginatus (Girard 1858). Muraenidae: Muraeninae. Distribution: Western Atlantic: Gulf of Mexico south to northern Brazil. Habitat: marine.