@article{oyakawa_mattox_2009,  title={Revision of the Neotropical trahiras of the Hoplias lacerdae species-group (Ostariophysi: Characiformes: Erythrinidae) with descriptions of two new species},  volume={7},  ISSN={1679-6225},  url={https://doi.org/10.1590/S1679-62252009000200001},  DOI={10.1590/S1679-62252009000200001},  number={2},  journal={Neotropical Ichthyology},  publisher={Sociedade Brasileira de Ictiologia},  author={Oyakawa, Osvaldo T. and Mattox, George M. T.},  year={2009},  month={Apr},  pages={117–140} }