@article{paraense_1986,  title={Physa Marmorata Guilding, 1828 (Pulmonata: Physidae)},  volume={81},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761986000400014},  DOI={10.1590/S0074-02761986000400014},  number={4},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Paraense, W. Lobato},  year={1986},  month={Oct},  pages={459–469} }