| Citation | Dinn, C., 2018 Sponge fauna of the eastern Canadian Arctic and Subarctic. MSc in Systematics and Evolution, University of Alberta, 218p. |
| Ref. | 120910 Dinn, C., 2018 |
| Page | 49 |
| Named Used as Valid | Polymastia thielei |
| Locality | |
| Distribution | Northwest Atlantic and Arctic. |