@article{porto_feldberg_1993, title={IS Callichtys LINNÉ (OSTARIOPHISY, SILURIFORMES, CALLICHTHYIDAE) A MONOTYPIC GENUS?}, volume={23}, ISSN={0044-5967}, url={https://doi.org/10.1590/1809-43921993233314}, DOI={10.1590/1809-43921993233314}, number={2-3}, journal={Acta Amazonica}, publisher={Instituto Nacional de Pesquisas da Amazônia}, author={PORTO, Jorge Ivan Rebelo and FELDBERG, Eliana}, year={1993}, pages={311–314} }