Typový druh
Leucosomus dissimilis Girard, 1856.
Původní popis
Jordan D. S. 1878. Report on the collection of fishes made by Dr. Elliott Coues, U.S.A., in Dakota and Montana, during the seasons of 1873 and 1874. Bull. U. S. Geol. Geogr. Surv. Terr. v. 4 (no. 4, art. 33). 777-799.