| Unidentified species | Ref= 2684 |

| Province: NorthEastAtlantic | |
| Origin: Atlantic Ocean, Portugal, Faro | |
| Size: 45 mm. | |
| IDENTIFICATION PROPOSALS |
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On 2013-03-13, Mollfan wrote:     It seems to be the same species as Nr.5505. I suppose that you took 2 fotos of the same shell. The other half would have an gap near the hinge. |