@article{ferrer_malabarba_2020,  title={Systematic revision of the Neotropical catfish genus <i>Scleronema</i> (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands},  volume={18},  ISSN={1679-6225},  url={https://doi.org/10.1590/1982-0224-2019-0081},  DOI={10.1590/1982-0224-2019-0081},  number={2},  journal={Neotropical Ichthyology},  publisher={Sociedade Brasileira de Ictiologia},  author={Ferrer, Juliano and Malabarba, Luiz R.},  year={2020},  pages={e190081} }