A new miniature species of Priocharax (Teleostei: Characiformes: Characidae) from the Rio Madeira drainage, Brazil, with comments on the adipose fin in characiforms - Mattox, George M. T; Souza, Camila S; Toledo-Piza, Mônica; Britz, Ral; Oliveira, Claudio (Vertebrate Zoology, 2020)