| Citation | HELCOM, 2012 Checklist of Baltic Sea macro-species. Baltic Sea Environment Proceedings No. 130, 206p. |
| Ref. | 128574 HELCOM, 2012 |
| Page | 154:No169 |
| Named Used as Valid | Astropecten irregularis |
| Locality | |
| Distribution | Baltic Sea (Kiel Bay and The Sound) and Kattegat. |