@article{román-valencia_garcía-alzate_ruiz-c_donald_taphorn_2012,  title={A new species of Tyttocharax (Characiformes: Characidae: Stevardiinae) from the Güejar river, Orinoco river Basin, Colombia},  volume={10},  ISSN={1679-6225},  url={https://doi.org/10.1590/S1679-62252012000300004},  DOI={10.1590/S1679-62252012000300004},  number={3},  journal={Neotropical Ichthyology},  publisher={Sociedade Brasileira de Ictiologia},  author={Román-Valencia, César and García-Alzate, Carlos A. and Ruiz-C, Raquel I and Donald, C and Taphorn, B},  year={2012},  month={Sep},  pages={519–525} }