nicaraguensis, Eulamia Gill [T. N.] in Gill & Bransford 1877:190 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 29; ref. 1714] Lake Nicaragua, Nicaragua. Holotype (unique): USNM 16887 (skin, skull, jaws). Type catalog: Howe & Springer 1993:10 [ref. 21812]. •Synonym of Carcharhinus leucas (Valenciennes or Müller & Henle 1839) -- (Garrick 1982:81 [ref. 5454], Branstetter in Whitehead et al. 1984:106 [ref. 13675], Compagno 1984:478 [ref. 6846], Randall 1995:31 [ref. 22896], Castro-Aguirre et al. 1999:48 [ref. 24550], Carvalho & McEachran in Reis et al. 2003:14 [ref. 27061], Espinosa Pérez et al. 2004:54 [ref. 27705], Voigt & Weber 2011:72 [ref. 31424] with author as Gill, Castro 2011:426 [ref. 31457], Kottelat 2013:21 [ref. 32989], Compagno 2016:1307 [ref. 34544] with authors as Gill & Bransford, Jouladeh-Roudbar et al. 2020:7 [ref. 37983]). Current status: Synonym of Carcharhinus leucas (Valenciennes 1839). Carcharhinidae. Habitat: freshwater, brackish, marine.