@article{sankarankutty_freire_santiago_1991,  title={On the taxonomy and distribution of Callinectes Stimpson (Crustacea, Decapoda, Portunidae) in Rio Grande do Norte},  volume={8},  ISSN={0101-8175},  url={https://doi.org/10.1590/S0101-81751991000100003},  DOI={10.1590/S0101-81751991000100003},  number={1-4},  journal={Revista Brasileira de Zoologia},  publisher={Sociedade Brasileira de Zoologia},  author={Sankarankutty, C. and Freire, A.G. and Santiago, L.C.},  year={1991},  pages={17–22} }