48607 Ageneiosus ucayalensis Castelnau, 1855 Auchenipteridae Driftwood catfishes Auchenipterinae Siluriformes Teleostei South America: Amazon and Orinoco River basins; Guianas and upper Paraná River basin. AMNH 12950 Ageneiosus ucayalensis AMNH 3844 Ageneiosus ucayalensis AMNH 3876 Ageneiosus ucayalensis AMNH 13656 1936 Ageneiosus ucayalensis AMNH 54737 1979 Ageneiosus ucayalensis AMNH 54740 1979 Ageneiosus ucayalensis AMNH 58166 1979 Ageneiosus ucayalensis AMNH 72145 1982 Ageneiosus ucayalensis AMNH 72943 1983 Ageneiosus ucayalensis AMNH 72952 1983 Ageneiosus ucayalensis AMNH 73093 1983 Ageneiosus ucayalensis