| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Herdmania armata Monniot, & Monniot, 2001 |
Western Central Pacific | ||
| Herdmania colona Monniot & Monniot, 2003 |
Western Central Pacific | ||
| Herdmania columna (Monniot & Monniot, 1991) |
Western Central Pacific | ||
| Herdmania contorta Monniot, 1992 |
Western Central Pacific | ||
| Herdmania coutieri Monniot, 2002 |
Western Indian Ocean | ||
| Herdmania fimbriae Kott, 2002 |
Indo-West Pacific | ||
| Herdmania grandis (Heller, 1878) |
Indo-West Pacific | 16 | |
| Herdmania inflata (Van Name, 1918) |
Western Central Pacific | ||
| Herdmania insolita Monniot, & Monniot, 2001 |
Western Central Pacific | ||
| Herdmania mentula Kott, 2002 |
Eastern Indian Ocean | ||
| Herdmania momus (Savigny, 1816) |
Herdman's sea squirt | Indo-West Pacific, Atlantic Ocean and the Mediterranean | 8 |
| Herdmania pallida (Heller, 1878) |
Indo-Pacific and Western Atlantic | 9 | |
| Herdmania pennata (Monniot & Monniot, 1991) |
Western Central Pacific | 1.6 | |
| Herdmania polyducta (Monniot & Monniot, 1989) |
Western Central Pacific |