Distribution and status
Distributed from the north of Norway to the north of the British Isles and the North Sea.
Ecology and behaviour
Unknown - may be a grazer or detritivore
- Diodora graeca has a keyhole shaped opening on the apex
Key identification features
- Slit like hole in front of apex
Taxon version key
Conical shell up to 7mm in length (4mm in height). The shell is white or cream in colour.The surface is sculptured with 19-25 radial ridges. Note that there is a small septum below the slit which partially blocks the hole.