A large species often found on the trunks of mangrove trees. They are distinguished from the similarly shaped Cerithiidae by the flared shape of the aperture and the operculum which has multiple concentric rings.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith