Systematics of the family Ariidae (Ostariophysi, Siluriformes), with a redefinition of the genera. Author Alexandre P. Marceniuk Author Naércio A. Menezes text Zootaxa 2007 1416 1 126 http://www.zoobank.org/urn:lsid:zoobank.org:pub:FFC65592-D8DB-41BE-AEAC-A41EAB6C6185 journal article z01416p001 Sciades herzbergii (Bloch, 1794) Silurus herzbergii Bloch, 1794: 33, pl. 367. Type locality: Surinam . Syntypes : ZMB 2962, 8785 . Pimelodus argenteus Lacepede , 1803: 94, 102. Type locality: Surinam . Syntypes : ZMB 2692 , ZMB 8785 . ? Bagrus mesops Valenciennes in Cuvier & Valenciennes, 1840a: 456. Type locality: Puerto Rico . Holotype : MNHN A- 9347 . Bagrus pemecus Valenciennes in Cuvier & Valenciennes, 1840a: 456. Type locality: Cayenne , French Guiana . Holotype : MNHN A-9348 . Bagrus coelestinus Mueller & Troschel, 1849: 7. Type locality: Guyana . Syntypes : ZMB 2970, 2977 . Hexanematichthys hymenorrhinos Bleeker, 1862: 377. Type locality: Perhaps Surinam . Holotype : RMNH 3056 . Netuma dubia Bleeker, 1862: 382. Type locality: Surinam . Syntypes : RMNH 3051-52 . Distribution: North and eastern South America. Countries: Colombia, Venezuela, Guyana, Suriname, French Guiana and Brazil. Habitat: Marine and brackish waters. Maximum size: 550 mm TL. Material examined: CAS 153484 (4 al, 283-310 mm TL), Brazil , Pernambuco ; MZUSP 48951 (3 al) (1 c&s), Brazil , Maranhao , Sao Luis , rio Curuca ; MZUSP 87700 (1 c&s), Brazil , Sergipe ; MZUSP 51695 (4 al) (2 es), Brazil , Maceio , Alagoas, lagoa Mundau .