Na váš dotaz anodus-elongatus bylo nalezeno 2 příspěvků.
Eigenmann, C. H. 1903. New genera of South American fresh-water fishes, and new names for some old genera. Smithsonian Miscellaneous Collections v. 45: 144-148.
Spix, J. B. von & Agassiz, L. 1829-31. Selecta genera et species piscium quos in itinere per Brasiliam annis MDCCCXVII-MDCCCXX jussu et auspiciis Maximiliani Josephi I.... collegit et pingendos curavit Dr J. B. de Spix.... Monachii. Part 1: i-xvi + i-ii + 1-6 + 1-82, Pls. 1-48, Part 2: 83-138, Pls. 49-101.