@article{thiengo_1987,  title={Observations on the morphology of Pomacea lineata (Spix, 1827) (Mollusca, Ampullariidae)},  volume={82},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761987000400015},  DOI={10.1590/S0074-02761987000400015},  number={4},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Thiengo, Silvana Carvalho},  year={1987},  month={Oct},  pages={563–570} }