10758 Nannostomus trifasciatus Steindachner, 1876 Lebiasinidae Pencilfishes Pyrrhulininae Characiformes Teleostei Threestripe pencilfish South America: Peruvian, Bolivian, and Brazilian Amazon River basin, Negro River basin, and Guyana. AMNH 19939 Nannostomus trifasciatus AMNH 215010 Poecilobrycon erythrurus AMNH 28503 Nannostomus trifasciatus AMNH 31033 Nannostomus trifasciatus AMNH 55175 Nannostomus trifasciatus AMNH 57409 Nannostomus trifasciatus ZMH 11142 1933 Poecilobrycon erythrurus AMNH 43357 1934 Poecilobrycon erythrurus ZMH 11146 1936 Poecilobrycon vittatus GCRL 5241 1960 Nannostomus trifasciatus AMNH 36953 1964 Nannostomus trifasciatus ZMH 5833 1974 Nannostomus trifasciatus AMNH 74671 1984 Nannostomus trifasciatus AMNH 229218 1998 Nannostomus trifasciatus AMNH 229321 1998 Nannostomus trifasciatus AMNH 229488 1998 Nannostomus trifasciatus