• The size of the body does not exceed or marginally exceeds that of the shell.

• The outer radular plate has four cusps.

• The propodium (the anterior end of the foot) has no tentacles.

• Like all other fissurellidae, Fissurella species are herbivores, using the radula to scrape up algae from the surface of rocks.

• Water for respiration and excretion is drawn in under the edge of the shell and exits through the "keyhole" at the apex.