Synonyma
Extrarius Jordan, 1919 ― Hybopsis tetranemus Gilbert, 1886
Typový druh
Gobio gelidus Girard, 1856
Původní popis
Cockerell T. D. A. & Allison E. M. 1909. The scales of some American Cyprinidae. Proc. Biol. Soc. Wash. v. 22. 157-163.
Extrarius Jordan, 1919 ― Hybopsis tetranemus Gilbert, 1886
Gobio gelidus Girard, 1856
Cockerell T. D. A. & Allison E. M. 1909. The scales of some American Cyprinidae. Proc. Biol. Soc. Wash. v. 22. 157-163.