Marcelo Roberto Souto de Melo, Mauro César Lambert de Brito Ribeiro, Flávio César Thadeo de Lima, A new, narrowly distributed, and critically endangered species of Characidium (Characiformes: Crenuchidae) from the Distrito Federal, Central Brazil, Neotrop. ichthyol. 19 (01) • 2021, https://doi.org/10.1590/1982-0224-2020-0061