Synonyma
Ephippicharax Fowler, 1913 ― Tetragonopterus compressus Günther, 1864
Fowler, H. W. 1913. Fowlerina Eigenmann a preoccupied generic name. Science (new series) v. 38 (no. 967): 51.
Fowlerina Eigenmann, 1907 ― Tetragonopterus compressus Günther, 1864
Eigenmann, C. H. 1907. Fowler's "Heterognathous Fishes" with a note on the Stethaprioninae. American Naturalist v. 41 (no. 492): 767-772.
Typový druh
Tetragonopterus longipinnis Popta, 1901.
Původní popis
Eigenmann, C. H. 1908. Preliminary descriptions of new genera and species of tetragonopterid characins. (Zoölogical Results of the Thayer Brazilian expedition.). Bulletin of the Museum of Comparative Zoology v. 52 (no. 6): 91-106.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2024. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.