Genus Tomeurus Eigenmann

Tomeurus Eigenmann, 1909: 53 . Genus masculine.

Type-species: Tomeurus gracilis Eigenmann, 1909 . Type by monotypy and original designation.

Composition. Tomeurus gracilis Eigenmann.

Distribution. Tomeurus gracilis occurs in small coastal drainages of the Venezuelan departments Delta Amacuro, Monagas, Territorio Federal, and in Brazilian states of Amapá, and Pará. The species also inhabits the drainages of rio Guamá and rio Tocantins in Brazil, the drainages of the Cuyuni, Mazaruni, and Essequibo Rivers in the Guyana and Courantyne rivier drainage in Suriname.