Polizei, T. T. S., & Fernandes, A. S. (2020). The Neotropical genus Portelmis Sanderson, 1953 (Coleoptera: Elmidae): three new species, new records and updated key. Zootaxa, 4810(3), 452–467. https://doi.org/10.11646/zootaxa.4810.3.3