Čeleď: Crenuchidae Günther, 1864
Rod: Characidium Reinhardt, 1867
Tributary stream of rio Oimerê, rio Corumbiara drainage, rio Guaporé subbasin, rio Madeira basin, Vitória da União district, Corumbiara town, Rondônia, Brazil, 12°59'56.32"S, 61°08'51.09"W, elevation 197 meters.
Zanata, A. M., Oliveira-Silva, L. & Ohara, W. M. 2023. A new sexually dichromatic miniature Characidium (Characiformes: Crenuchidae) from the rio Guaporé, rio Madeira basin, Brazil, with remarkable morphological novelties to the genus. Neotropical Ichthyology v. 21 (no. 1): e220059: 1-20.