Casatti L. Petilipinnis, a new genus for Corvina grunniens Schomburgk, 1843 (Perciformes, Sciaenidae) from the Amazon and Essequibo river basins and redescription of Petilipinnis grunniens . Pap. Avulsos Zool. 2002;42(7):169-181. doi:10.1590/S0031-10492002000700001