| Referens | Ritter, W.E. and R.A. Forsyth, 1917 Ascidians of the littoral zone of southern California. Berkeley, Univ. Calif. Publ. Zool. 16:439-612. |
| Ref. | 7507 Ritter, W.E. and R.A. Forsyth, 1917 |
| Sida | |
| Named Used as Valid | Glossophorum planum |
| Observationsplats | |
| Distribution | Southern California, USA. |