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 6NCQW Kner 1863 Actinopterygii Trichomycteridae Ituglanis Animalia Siluriformes 9 Chordata species laticeps  CAS 32458 (1 ex.);