Distinguished from M. canalifera by the nodular shell and more pointed spire. These gastropods inhabit the mid-levels of rocky shores and are active grazers on epilithic algae on rock surfaces. They graze on algae using the brush-like radular teeth.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
