@article{paraense_2003,  title={Planorbidae, Lymnaeidae and Physidae of Peru (Mollusca: Basommatophora)},  volume={98},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02762003000600010},  DOI={10.1590/S0074-02762003000600010},  number={6},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Paraense, W Lobato},  year={2003},  month={Sep},  pages={767–771} }