squamosissima, Sciaena Heckel [J. J.] 1840:438, Pl. 30 (figs. 26-28) [Annalen des Wiener Museums der Naturgeschichte v. 2; ref. 2064] Rio Negro and Rio Branco, South America. Syntypes: NMW 75985 (4), 83543 (1), 92124 (1); SMF 2961 [ex NMW in 1844] (1, dry). Soares & Casatti 2000:512 [ref. 24955] treat NMW 92124 as the holotype. •Valid as Plagioscion squamosissimus (Heckel 1840) -- (Ovchynnyk 1967:42 [ref. 37559], Chao 1978:44 [ref. 6983], Ortega & Vari 1986:20 [ref. 9708], Gómez & Chebez 1996:65 [ref. 23791], Keith et al. 2000:138 [ref. 24547], Soares & Casatti 2000:512 [ref. 24955], Aguilera & Rodrigues de Aguilera 2001:66 [ref. 25927], Lasso et al. 2001:101 [ref. 25928], Camargo & Isaac 2001:143 [ref. 27639], Casatti in Reis et al. 2003:601 [ref. 27061], López et al. 2003:74 [ref. 27366], Casatti & Menezes in Menezes et al. 2003:88 [ref. 27192], Menni 2004:87 [ref. 28131], Casatti 2005:42 [ref. 28401], Barriga Salazar 2014:117 [ref. 35745], Ramos et al. 2014:5 [ref. 35321], Sarmiento et al. 2014:133, 189 [ref. 35004], Mirande & Koerber 2015:55 [ref. 35117], Melo et al. 2016:377 [ref. 35317], DoNascimiento et al. 2017:103 [ref. 35633], Marceniuk et al. 2017:41 [ref. 35324], Urbano-Bonilla et al. 2018:91 [ref. 35773], Parenti 2020:44 [ref. 37439], Reis et al. 2020:474 [ref. 38364], Silva et al. 2020:15 [ref. 37809], Silvano et al. 2020:375 [ref. 38134], Meza-Vargas et al. 2021:27 [ref. 39298], Koerber et al. 2022:82 [ref. 39235], Lasso et al. in Lasso & Morales-Betancourt 2022:284 [ref. 40783], Carvalho-Filho 2023:175 [ref. 40480], Vieira et al. 2023:16 [ref. 40759]). Current status: Valid as Plagioscion squamosissimus (Heckel 1840). Sciaenidae. Distribution: South America: Amazon, Orinoco, Paraná, Paraguay and São Francisco basins and rivers of the Guianas (Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname and Venezuela). Habitat: freshwater.