n = 11
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Plesiolebias altamira | Costa & Nielsen, 2007 | Plesiolebias altamira | Rivulidae | |
| Plesiolebias aruana | (Lazara, 1991) | Plesiolebias aruana | Rivulidae | |
| Plesiolebias bitteri | Costa, 1989 | Papiliolebias bitteri | Rivulidae | |
| Plesiolebias canabravensis | Costa & Nielsen, 2007 | Plesiolebias canabravensis | Rivulidae | |
| Plesiolebias damascenoi | Costa, 1991 | Stenolebias damascenoi | Rivulidae | |
| Plesiolebias filamentosus | Costa & Brasil, 2007 | Plesiolebias filamentosus | Rivulidae | |
| Plesiolebias fragilis | Costa, 2007 | Plesiolebias fragilis | Rivulidae | |
| Plesiolebias glaucopterus | (Costa & Lacerda, 1989) | Plesiolebias glaucopterus | Rivulidae | |
| Plesiolebias lacerdai | Costa, 1989 | Plesiolebias lacerdai | Rivulidae | |
| Plesiolebias pantanalensis | (Seegers, 1988) | Plesiolebias glaucopterus | Rivulidae | |
| Plesiolebias xavantei | (Costa, Lacerda & Tanizaki, 1988) | Plesiolebias xavantei | Rivulidae |