polymera, Lycengraulis Marini [T. L.] 1935:446 [Physis (Buenos Aires) v. 11; ref. 17600] Not available, mentioned in passing with no distinguishing features; from Rio de la Plata. •In the synonymy of Lycengraulis grossidens (Spix & Agassiz 1829) -- (Whitehead et al. 1988:390 [ref. 5725], Litz & Koerber 2014:6 [ref. 33622] with author as Agassiz, Mirande & Koerber 2015:9 [ref. 35117], Koerber et al. 2017:11 [ref. 35267]). Nomen Nudum. Current status: Synonym of Lycengraulis grossidens (Spix & Agassiz 1829). Engraulidae: Engraulinae.