This species has been said to be our largest Mangelia. The figured shell is from lower intertidal zone but from Britany as I know of no authentic fresh material from UK or Channel Islands
<em>Mangelia powisiana</em> (Dautzenberg, 1887)
Rare records from a round the UK from western Scotland, Isles of Scilly, Plymouth and the Channel Islands.
Lives on sandy bottoms from very low shore to 100m.
Size: Up to 15mm high; 6mm broad Shape: Relatively tall shell with the last whorl making up about 60-65% of the total shell height.