| Referens | Weerakon, D.K., 2012 The taxonomy and conservation status of mammals in Sri Lanka. The National Red List 2012 of Sri Lanka, 134p. |
| Ref. | 115014 Weerakon, D.K., 2012 |
| Sida | 11 |
| Named Used as Valid | Dugong dugon |
| Observationsplats | |
| Distribution | Sri Lanka. |