Synonyma
Urumara Miranda Ribeiro, 1920 ― Urumara rondoni Miranda Ribeiro, 1920
Typový druh
Gymnorhamphichthys hypostomus Ellis, 1912.
Původní popis
Eigenmann C. H. 1912. The freshwater fishes of British Guiana, including a study of the ecological grouping of species, and the relation of the fauna of the plateau to that of the lowlands. Mem. Carnegie Mus. v. 5 (no. 1). i-xxii + 1-578.