n = 6
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Xenurobrycon coracoralinae | Moreira, 2005 | Xenurobrycon coracoralinae | Characidae | |
| Xenurobrycon heterodon | Weitzman & Fink, 1985 | Xenurobrycon heterodon | Characidae | |
| Xenurobrycon macropus | Myers & Miranda Ribeiro, 1945 | Xenurobrycon macropus | Characidae | |
| Xenurobrycon polyancistrus | Weitzman, 1987 | Xenurobrycon polyancistrus | Characidae | |
| Xenurobrycon pteropus | Weitzman & Fink, 1985 | Xenurobrycon pteropus | Characidae | |
| Xenurobrycon varii | Mendonça, Peixoto, Dutra & Netto-Ferreira, 2016 | Xenurobrycon varii | Characidae |