Pygidium parkoi, Taxa Only, Exact Match: 2 Treatments

Siluriformes		new species	Miranda-Ribeiro, P. de, 1944, Um Pigidídeo do Alto Amazonas (Pisces -- Pygidiidae), Boletim do Muse Nacional, Série Zoologia 19, pp. 1-3 : 1	1
Pygidium parkoi			Wolmar Benjamin Wosiacki, 2004, New species of the catfish genus Trichomycterus (Siluriformes, Trichomycteridae) from the headwaters of the rio São Francisco basin, Brazil., Zootaxa 592, pp. 1-12 : 9	9