28039 Brachyhypopomus pinnicaudatus (Hopkins, 1991) Hypopomidae Bluntnose knifefishes Gymnotiformes Teleostei South America: eastern South America from the Catatumbo River basin, Orinoco and the Guianas to La Plata River basin; Amazon River basin in Peru. AMNH 1009 Hypopomus pinnicaudatus P 5918 33 S 54 W Brachyhypopomus pinnicaudatus ZVC-P 5919 33 S 53 W Brachyhypopomus pinnicaudatus ZVC-P 5917 33 S 53 W Brachyhypopomus pinnicaudatus FISH 608475 4 N 52 W Brachyhypopomus pinnicaudatus FISH 608711 5 N 52 W Brachyhypopomus pinnicaudatus FISH 608712 4 N 52 W Brachyhypopomus pinnicaudatus AMNH 39848 1964 Hypopomus pinnicaudatus