| Number seen/Abundance | Date | Location | Comments | Species |
|---|---|---|---|---|
| 1 | 2005-09-14 | Harlyn Beach, North Cornwall |
shell on beach, 11 mm | Trivia monacha |
| 4 | 2005-09-20 | Madrips Beach, Trevone, North Cornwall |
foreshore, rockpools. Size from 9mm to 11mm. | Trivia monacha |
| 1 | 2005-09-20 | Madrips Beach, Trevone, North Cornwall |
foreshore, rockpools. Size 10mm. | Trivia arctica |