platymetopon, Loricariichthys Isbrücker [I. J. H.] & Nijssen [H.] 1979:203, Figs. 7-8 [Bijdragen tot de Dierkunde v. 48 (no. 2); ref. 8822] Lago de Ypacarai, San Bernardino, 25°16'S, 57°16'W, Río Paraguay system, Paraguay. Holotype: USNM 181580. Paratypes: BMNH 1895.5.17.102 (1), 1927.11.23.38-40 (3), 1928.1.6.1-5 (5); MACN 7129 (1); MNHN A-9559 (1); MZUSP 970 (2), 14100 (1); NMW 45073 (1), 45126 (1), 45128 (1); USNM 181437 (1), 181755 (2), 181768 (1); ZMA 110929 (6), 110934 (1), 114326 (1); ZSM 4830 [ex NMW 46832] (1). Type catalog: Nijssen et al. 1982:58 [ref. 19236], Ferraris & Vari 1992:30 [ref. 19771], Braga & Piacentino 1994:105 [ref. 23697], Ferraris 2007:271 [ref. 29155], Neumann 2011:267 [ref. 31652]. •Valid as Loricariichthys platymetopon Isbrücker & Nijssen 1979 -- (Isbrücker 1980:129 [ref. 2303], Burgess 1989:445 [ref. 12860], Gómez & Chebez 1996:63 [ref. 23791], Britski et al. 1999:131 [ref. 24147], Reis & Pereira 2000:1039 [ref. 25021], Isbrücker et al. 2001:30 [ref. 25653], Isbrücker 2002:23 [ref. 27178], Ferraris in Reis et al. 2003:339 [ref. 27061], López et al. 2003:47 [ref. 27366], Casciotta et al. 2003:124 [ref. 28130], Menni 2004:81 [ref. 28131], Ferraris 2007:271 [ref. 29155], Koerber & Litz 2014:4 [ref. 34967], Sarmiento et al. 2014:191 [ref. 35004], Mirande & Koerber 2015:45 [ref. 35117], Bertaco et al. 2016:419 [ref. 34561], Koerber & Litz 2016:6 [ref. 35098], Nión et al. 2016:31 [ref. 35565], Koerber et al. 2017:66 [ref. 35267], Koerber et al. 2020:5 [ref. 37480], Reis et al. 2020:468 [ref. 38364], Koerber et al. 2021:6 [ref. 38894], Koerber et al. 2023:6 [ref. 40355], Loureiro et al. 2023:96 [ref. 40506]). Current status: Valid as Loricariichthys platymetopon Isbrücker & Nijssen 1979. Loricariidae: Loricariinae. Distribution: South America: La Plata River basin (Uruguay, Argentina, Brazil, Bolivia and Paraguay). Habitat: freshwater.