| Citation | Sanamyan, K., 1998 Ascidians from the north-western Pacific region. 5. Phlebobranchia. Ophelia 49(2):97-116. |
| Ref. | 3777 Sanamyan, K., 1998 |
| Page | |
| Named Used as Valid | Ascidia zyogasima |
| Locality | |
| Distribution | Between Kuril and Aleutian in the northwest Pacific. |