A common algal grazing species from mid-tidal levels of rocky shores. Often confused with Littorinidae but distinguished by the anterior canal of the aperture.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
