| Citation | Jenyns, L., 1842, Fish.. In C. Darwin (ed.) The zoology of the voyage of H.M.S. Beagle, under the command of Captain Fitzroy, R.N., during the years 1832-1836. Smith, Elder & Co., London (in 4 parts): p. 1-32 (Jan. 1840); 33-64 (Jun. 1840); 65-96 (Apr. 1841); 97-172 (Apr. 1842). |
| Ref. | 3157 Jenyns, L., 1842 |
| Page | 125 |
| Named Used as Valid | Tetragonopterus rutilus |
| Comment | original combination; |
| Locality | |
| Distribution | South America: Argentina (Rio Paraná). |
| Quote | among the commonest of the river fry in this river; length uncertain (10.6 cm TL). |