argentea, Atherinella Chernoff [B.] 1986:100, Figs. 9, 10, 34 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 138 (no. 1); ref. 5848] Lagoon behind hotel Vinar del Mar, Quepos, Puntareñas, Costa Rica. Holotype: FMNH 85223. Paratypes: ANSP 158311 [ex FMNH 85223] (5), 158700 (3); FMNH 85220 (10), 85224 (10), 96907 [FMNH 85223] (42, 4 c&s), 85216 (1); GCRL 5492 (7), 5584 (5), 5924 (2), 6466 (1), 8986 (3), 22515 (5), 22516 (3). •Valid as Atherinella argentea Chernoff 1986 -- (Chernoff 1986:243 [ref. 5847], Lavenberg & Chernoff in Fischer et al. 1995:895 [ref. 22829], Bussing 1998:237 [ref. 24179], Dyer in Reis et al. 2003:515 [ref. 27061], Matamoros et al. 2009:12 [ref. 31241], McMahan et al. 2013:446 [ref. 32422], Angulo et al. 2013:995 [ref. 33194], González-Murcia et al. 2019:296 [ref. 36544], Angulo et al. 2020:5 [ref. 37425]). Current status: Valid as Atherinella argentea Chernoff 1986. Atherinopsidae: Menidiinae. Distribution: Eastern Pacific: Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua and Panama. Habitat: freshwater, brackish, marine.