| Citation | Pfaff, J.R., 1933, Report on the fishes collected by Mr. Harry Madsen during Professor O. Olufsen's expedition to French Sudan in the years 1927-28.. Vidensk. Medd. Dansk Naturh. Foren. København 94:273-315. |
| Ref. | 42499 Pfaff, J.R., 1933 |
| Page | 276;fig.1 |
| Named Used as Valid | Gnathonemus elongatus |
| Comment | original description of Gnathonemus elongatus |
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