| Number seen/Abundance | Date | Location | Comments | Recorded by |
|---|---|---|---|---|
| 1 | 2007-08-06 | Washed up on beach |
on sand | Shona Turnbull |
| 1 | 17/09/2011 | ross,killala, co mayo sheltered small strand on rocky shoreline on killala bay at ross |
denis quinn | |
| 8 | 30/03/2012 | Chesil Beach High tide mark |
Empty shells | Greg Kulik |