@article{thatcher_1981,  title={Os crustáceos parásitos de peixes da Amazonia Brasileira. I-Ergasilus bryconis n. sp. (Copepoda: Cyclopoidea) da matrinchã (Brycon melanopterus (Cope))},  volume={11},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921981113439},  DOI={10.1590/1809-43921981113439},  number={3},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Thatcher, Vernon E.},  year={1981},  month={Sep},  pages={439–444} }