n = 5
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Leptophilypnus crocodilus | Beebe & Tee-Van, 1928 | Lythrypnus crocodilus | Gobiidae | Mahogany goby |
| Leptophilypnus fluviatilis | Meek & Hildebrand, 1916 | Leptophilypnus fluviatilis | Eleotridae | |
| Leptophilypnus guatemalensis | Thacker & Pezold, 2006 | Leptophilypnus guatemalensis | Eleotridae | |
| Leptophilypnus mindii | (Meek & Hildebrand, 1916) | Leptophilypnus fluviatilis | Eleotridae | |
| Leptophilypnus panamensis | (Meek & Hildebrand, 1916) | Leptophilypnus panamensis | Eleotridae |