New species of the catfish genus Trichomycterus (Siluriformes, Trichomycteridae) from the headwaters of the rio São Francisco basin, Brazil. Wolmar Benjamin Wosiacki Zootaxa 2004 592 1 12 6NCPF Steindachner 1882 Actinopterygii Trichomycteridae Ituglanis Animalia Siluriformes 9 Chordata species amazonicus  MUSP 30449 (1 ex.);