Literature
- Soest, R.W.M. van 1974. A revision of the genera Salpa Forskål, 1775, Pegea Savigny, 1816, and Ritteriella Metcalf, 1919 (Tunicata, Thaliacea). Beaufortia 22: 153-191.
- WoRMS. World Register of Marine Species. www.marinespecies.org. [link]