Bohlke 1955. Studies on fishes of the family Characidae. No. 9. Notes on the distribution, variation and type locality of Gnathocharax steindachneri Fowler. No. 10. Notes on the coloration of the species of Hemiodus, Pterohemiodus and Anisitsia, with the description Notulae Naturae Acad Philad, No. 277 1955: 1-14