| Citation | Amano, M. and N. Miyazaki, 2004 Composition of a school of Risso's dolphins, Grampus griseus. Marine Mammal Science 20(1):152-160. |
| Ref. | 75181 Amano, M. and N. Miyazaki, 2004 |
| Page | |
| Named Used as Valid | Grampus griseus |
| Locality | |
| Distribution | Taiji Japan. |