New species of the catfish genus Trichomycterus (Siluriformes, Trichomycteridae) from the headwaters of the rio São Francisco basin, Brazil. Author Wolmar Benjamin Wosiacki text Zootaxa 2004 592 1 12 http://www.zoobank.org/urn:lsid:zoobank.org:pub:003431F8-DD57-4C9A-ACF9-B7F180E65729 journal article z00592p001 7907434C-6261-48ED-9034-27A3F4115F6E Ituglanis amazonicus MUSP 30449 (1 ex.);