beryllinum, Chirostoma Cope [E. D.] 1867:403 [Transactions of the American Philosophical Society (New Series) v. 13 (pt 3) (art. 13); ref. 18027] Potomac River, opposite Washington D.C., at Jackson City, Virginia, U.S.A. Neotype: USNM 50012. Cope specimen or possible type: FMNH 9535 [ex ANSP] (1). Type catalog: Böhlke 1984:23 [ref. 13621] as holotype missing at ANSP. Neotype selected by Chernoff 1985:792 [ref. 21212]. •Valid as Menidia beryllina (Cope 1867) -- (Lee et al. 1980:558 [ref. 22416], Smith 1986:415 [ref. 22186], Robins & Ray 1986:112 [ref. 23100], Robison & Buchanan 1988:343 [ref. 23393], Tomelleri & Eberle 1990:157 [ref. 24089], Page & Burr 1991:241 [ref. 18983], Boschung 1992:90 [ref. 23239], Espinosa Pérez et al. 1993:61 [ref. 22290], Etnier & Starnes 1993:377 [ref. 22809], Warren et al. 1994:133 [ref. 25557], Mettee et al. 1996:487 [ref. 25836], Murdy et al. 1997:132 [ref. 23144], McEachran & Fechhelm 1998:887 [ref. 23897], Castro-Aguirre et al. 1999:196 [ref. 24550], Fuller et al. 1999:66 [ref. 25838], Fuller et al. 1999:283 [ref. 25838], Schmitter-Soto et al. 2000:153 [ref. 27754], Ross et al. 2001:385 [ref. 25978], Chernoff in Collette & Klein-MacPhee 2002:280 [ref. 26158], Moyle 2002:307 [ref. 26449], Chernoff 2003:1101 [ref. 27017], Nelson et al. 2004:98 [ref. 27807], Miller & Robison 2004:282 [ref. 27931], Boschung & Mayden 2004:372 [ref. 27995], Love et al. 2005:63 [ref. 37547], Suttkus et al. 2005:3 [ref. 28404], Miller 2006:193 [ref. 28615], Scharpf 2007:9 [ref. 30398], Minckley & Marsh 2009:275 [ref. 31114], García-Hernández et al. 2009:92 [ref. 37265], Fluker et al. 2011: [1] [ref. 31331], Page et al. 2013:100 [ref. 32708], Kells et al. 2016:116 [ref. 35888], Raz-Guzmán et al. 2018:345 [ref. 36407], Robins et al. 2018:187 [ref. 35886]). Current status: Valid as Menidia beryllina (Cope 1867). Atherinopsidae: Menidiinae. Distribution: Western Atlantic: U.S.A. Atlantic slope basins, including Gulf of Mexico; introduced elsewhere. Habitat: freshwater, brackish, marine.