n = 9
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Hypopygus benoneae | Peixoto, Dutra, de Santana & Wosicki, 2013 | Hypopygus benoneae | Hypopomidae | |
| Hypopygus hoedemani | de Santana & Crampton, 2011 | Hypopygus hoedemani | Hypopomidae | Hoedeman's Hypopygus |
| Hypopygus isbruckeri | de Santana & Crampton, 2011 | Hypopygus isbruckeri | Hypopomidae | Isbrücker's Hypopygus |
| Hypopygus lepturus | Hoedeman, 1962 | Hypopygus lepturus | Hypopomidae | |
| Hypopygus minissimus | de Santana & Crampton, 2011 | Hypopygus minissimus | Hypopomidae | |
| Hypopygus neblinae | Mago-Leccia, 1994 | Hypopygus neblinae | Hypopomidae | |
| Hypopygus nijsseni | de Santana & Crampton, 2011 | Hypopygus nijsseni | Hypopomidae | Nijssen's Hypopygus |
| Hypopygus ortegai | de Santana & Crampton, 2011 | Hypopygus ortegai | Hypopomidae | Ortega's Hypopygus |
| Hypopygus varii | Campos-da-Paz, 2018 | Hypopygus varii | Hypopomidae |