11919 Nannostomus marginatus Eigenmann, 1909 Lebiasinidae Pencilfishes Pyrrhulininae Characiformes Teleostei South America: Lower to middle Amazon River, Colombia east of the Andes, Guyana, Peru east of the Andes, Suriname and Venezuela east of the Andes. AMNH 13349 Nannostomus marginatus AMNH 28502 Nannostomus marginatus AMNH 31032 Nannostomus marginatus AMNH 36946 Nannostomus marginatus AMNH 36947 Nannostomus marginatus AMNH 36948 Nannostomus marginatus AMNH 36949 Nannostomus marginatus AMNH 36950 Nannostomus marginatus AMNH 36951 Nannostomus marginatus AMNH 36952 Nannostomus marginatus AMNH 36958 Nannostomus marginatus AMNH 36959 Nannostomus marginatus AMNH 36961 Nannostomus marginatus AMNH 4038 1912 Nannostomus marginatus AMNH 54752 1979 Nannostomus marginatus AMNH 54983 1979 Nannostomus marginatus AMNH 230968 1999 Nannostomus marginatus