Integrative taxonomy of the black-barred disk pacus (Characiformes: Serrasalmidae), including the redescription of Myloplus schomburgkii and the description of two new species oleh Valéria N. Machado, Victória D. Pereira, Rafaela P. Ota, Rupert A. Collins, Marcelo Ândrade, James R. Garcia-Ayala, Michel Jégu, Izeni P. Farias, Tomas Hrbek