| Citation | Sanamyan, K.E. and N.P. Sanamyan, 2006 Deep-water ascidians (Tunicata: Ascidiacea) from the northern and western Pacific. Journal of Natural History 40(5-6):307-344. |
| Ref. | 3382 Sanamyan, K.E. and N.P. Sanamyan, 2006 |
| Page | 319-321 |
| Named Used as Valid | Styela sigma |
| Locality | |
| Distribution | Gulf of Alaska. |