| Species | Name Used in Reference |
|---|---|
| Jenynsia alternimaculata (Fowler, 1940) | Jenynsia alternimaculata (p. 730) |
| Jenynsia eigenmanni (Haseman, 1911) | Jenynsia eigenmanni (p. ) |
| Jenynsia eirmostigma Ghedotti & Weitzman, 1995 | Jenynsia eirmostigma (p. 730) |
| Jenynsia lineata (Jenyns, 1842) | Jenynsia lineata (p. ) |
| Jenynsia lineata (Jenyns, 1842) | Jenynsia multidentata (p. ) |
| Jenynsia maculata Regan, 1906 | Jenynsia maculata (p. ) |
| Jenynsia obscura (Weyenbergh, 1877) | Jenynsia obscura (p. ) |
| Jenynsia sanctaecatarinae Ghedotti & Weitzman, 1996 | Jenynsia sanctaecatarinae (p. ) |
| Jenynsia unitaenia Ghedotti & Weitzman, 1995 | Jenynsia unitaenia (p. ) |
| Jenynsia weitzmani Ghedotti, Meisner & Lucinda, 2001 | Jenynsia weitzmani (p. 728-731) |