arcuata, Clupea Jenyns [L.] 1842:134 [The zoology of the voyage of H. M. S. Beagle; ref. 2344] Bahia Blanca, Montevideo, Chile. Syntypes: (2) UMZC [Darwin no. 416] (2). •Valid as Ramnogaster arcuata (Jenyns 1842) -- (Whitehead 1985:123 [ref. 5141], Pequeño 1989:27 [ref. 14125], Cione et al. 1998:335 [ref. 23325], López et al. 2002:63 [ref. 26808], Kullander & Ferraris in Reis et al. 2003:37 [ref. 27061], López et al. 2003:8 [ref. 27366], Menezes in Menezes et al. 2003:41 [ref. 27192], Mirande & Koerber 2015:9 [ref. 35117], Bertaco et al. 2016:411 [ref. 34561], Nión et al. 2016:26 [ref. 35565], Carvalho-Filho 2023:63 [ref. 40480], Chiaramonte et al. 2023:210 [ref. 40423]). Current status: Valid as Ramnogaster arcuata (Jenyns 1842). Clupeidae. Distribution: Southeastern Pacific, southwestern Atlantic: Chile, Argentina and Uruguay. Habitat: marine.