| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Ritterella aequalisiphonis (Ritter & Forsyth, 1917) |
Sandy lobed sea squirt | Eastern Pacific | |
| Ritterella asymmetrica Millar, 1966 |
Eastern Indian Ocean | ||
| Ritterella chetvergovi Sanamyan & Sanamyan, 2002 |
Antarctic, Southwest Atlantic and Southeast Pacific | ||
| Ritterella circularis Monniot, 1987 |
Western Central Pacific | ||
| Ritterella compacta Kott, 1992 |
Eastern Indian Ocean | ||
| Ritterella cornuta Kott, 1992 |
Eastern Indian Ocean | ||
| Ritterella dispar Kott, 1957 |
Dispar ascidian | Indo-West Pacific | |
| Ritterella folium Monniot & Monniot, 1991 |
Western Central Pacific | ||
| Ritterella glareosa Monniot, 1975 |
Northeast Atlantic | ||
| Ritterella iturupica Beniaminson, 1974 |
Northwest Pacific | ||
| Ritterella mirifica Monniot & Monniot, 1983 |
Antarctic | ||
| Ritterella multistigmata Kott, 1992 |
Eastern Indian Ocean | ||
| Ritterella papillata Kott, 1992 |
Eastern Indian Ocean | ||
| Ritterella pedunculata (Herdman, 1891) |
Indo-West Pacific | ||
| Ritterella pulchra (Ritter, 1901) |
Orange compound tunicate | Pacific Ocean | |
| Ritterella rete Monniot & Monniot, 1991 |
Western Central Pacific | ||
| Ritterella rubra Abbott & Trason,1968 |
Eastern Central Pacific | ||
| Ritterella sigillinoides (Brewin, 1958) |
Southwest Pacific | ||
| Ritterella solida Monniot, 2001 |
Southeast Atlantic | ||
| Ritterella tamarae Sanamyan, 1998 |
Northwest Pacific | ||
| Ritterella tokioka Kott, 1992 |
Indian Ocean | ||
| Ritterella vestita Millar, 1960 |
Northwest coast of North America |