A species of intertidal grazing gastropods with rounded, globose shells and semi-circular calcified operculum. Their small, white, calcified egg capsules are often conspicuous on rock surfaces.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
