| Citation | Monniot, F., 1974 Ascidies littorales et bathyales récoltées au cours de la campagne Biaçores: Aplousobranches. Bull Mus Natn Hist nat 3 sér 251(173):1287-1325. |
| Ref. | 3513 Monniot, F., 1974 |
| Page | 1307 |
| Named Used as Valid | Protoholozoa pigra |
| Locality | |
| Distribution | Azores. |