| Species | Name Used in Reference |
|---|---|
| Lythrypnus brasiliensis Greenfield, 1988 | Lythrypnus brasiliensis (p. 463;fig.3-4) |
| Lythrypnus crocodilus (Beebe & Tee-Van, 1928) | Lythrypnus crocodilus (p. 465) |
| Lythrypnus mowbrayi (Bean, 1906) | Lythrypnus mowbrayi (p. 467) |