havana, Xystaema Nichols [J. T.] 1912:189, Fig. 2 [Bulletin of the American Museum of Natural History v. 31 (art. 18); ref. 14853] Marianao Beach, Havana, Cuba. Holotype: AMNH 3358. Additional specimens: AMNH 2422 (2), 2429 (1). •Valid as Eucinostomus havana (Nichols 1912) -- (Robins & Ray 1986:176 [ref. 23100], Cervigón 1992:326 [ref. 23827], Castro-Aguirre et al. 1999:312 [ref. 24550], Smith-Vaniz et al. 1999:259 [ref. 25013], Schmitter-Soto et al. 2000:161 [ref. 27754], Gilmore & Greenfield 2003:1515 [ref. 27093], Moura & Menezes in Menezes et al. 2003:83 [ref. 27192], Nelson et al. 2004:143 [ref. 27807], McEachran & Fechhelm 2005:352 [ref. 28815], Page et al. 2013:148 [ref. 32708], Smith-Vaniz & Jelks 2014:53 [ref. 33341], Marceniuk et al. in Marceniuk et al. 2021:492 [ref. 38945], Carvalho-Filho 2023:160 [ref. 40480], Gurgel-Lourenço et al. 2023:81 [ref. 41056], Page et al. 2023:173 [ref. 40505]). Current status: Valid as Eucinostomus havana (Nichols 1912). Gerreidae. Distribution: Western Atlantic: Bermuda and Florida (U.S.A.) south to Bahia (Brazil), including Caribbean Sea. Habitat: brackish, marine.