Vaillantella cinnamomea, new species, is described from the Mahakam ba
sin, Kalimantan Timur, Borneo. It is distinguished from the two other
species of the genus by its brown body without conspicuous color patte
rn, 34-36 + 16-17 = 51-52 vertebrae, and by a combination of morphomet
ric and meristic characters.