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Distaplia rosea
Della Valle, 1881
Jon Chamberlain Any ideas for the top bunch of squirts in this photo? The lower ones look lie Morchellium argus?:
http://www.flickr.com/photos/underwaterinferno/8072332015/in/set-72157631733973528/
Beadnell Point, Northumberland 7m rock wall
David KiplingDistaplia rosea. And yes agree with M argus ... different colour to A. punctum, more open, and the killer ID is four rather than one spot her zooid (which I think I can see).