quadrensis, Rineloricaria Reis [R. E.] 1983:66, Figs. 9, 15-19 [Iheringia, Série Zoologia (Porto Alegre) No. 62; ref. 12857] Lagoa dos Quadros, Osório, Rio Grande do Sul, Brazil. Holotype: MZUSP 14363. Paratypes: MAPA 1100-02 (3), 1255-56 (2), 1259 (1), 1313-16 (4); MCN 3756-60 (5), 3762-65 (4); MZUSP 14218 (1), 16079-80 (2). Type catalog: Ferraris 2007:295 [ref. 29155]. •Valid as Rineloricaria quadrensis Reis 1983 -- (Burgess 1989:442 [ref. 12860], Isbrücker 2001:32 [ref. 25653], Reis & Cardoso 2001:329 [ref. 25718], Isbrücker 2002:29 [ref. 27178], Ferraris in Reis et al. 2003:343 [ref. 27061], Rodríguez & Miquelarena 2005:4 [ref. 28173], Ferraris 2007:295 [ref. 29155], Ghazzi 2008:101 [ref. 29636], Bertaco et al. 2016:420 [ref. 34561]). Current status: Valid as Rineloricaria quadrensis Reis 1983. Loricariidae: Loricariinae. Distribution: Coastal streams and lagoons in Rio Grande do Sul, Brazil. Habitat: freshwater.