monacantha, Corvina Cope [E. D.] 1867:402 [Transactions of the American Philosophical Society (New Series) v. 13 (pt 3) (art. 13); ref. 18027] Near Paramaribo, Suriname. Holotype (unique): ANSP 11519. Type catalog: Böhlke 1984:152 [ref. 13621]. •Valid as Plagioscion monacantha (Cope 1867) -- (Chao 1978:44 [ref. 6983]). •Synonym of Plagioscion auratus (Castelnau 1855) -- (Casatti in Reis et al. 2003:601 [ref. 27061], Casatti 2005:50 [ref. 28401], Parenti 2020:43 [ref. 37439]). Current status: Synonym of Plagioscion auratus (Castelnau 1855). Sciaenidae. Habitat: freshwater.