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 Carlarius heudelotii (Valenciennes, 1840) (fig. 29) Arius heudelotii Valenciennes in Cuvier & Valenciennes, 1840b: 73, pl. 428. Type locality: Senegal . Syntypes : MNHN B-0689 . Arius mercatoris Poll, 1949: 201, fig. 8. Type locality: Atlantic , 12º34’N , 17º09’W , 8-10 fm. Holotype : IRSNB 89 . Distribution: Niger River Countries: Senegal, Guinea Bissau and Nigeria. Habitat: Freshwaters. Maximum size: 760 mm TL. Material examined: USNM 293075 (3 al, 340-395 mm TL) (1 c&s), Guinea Bissau , 11° 38’ N - 17° 00’ W .