Semicassis bisulcatum
General description:
This species lives in sandy substrates and feed upon sea urchins using sulphuric acid secreted by the salivary glands to dissolve the spines and test of their prey.
Phylogeny:
Class Gastropoda
Family Cassidae Latreille, 1825
Semicassis bisulcatum (Schubert & Wagner, 1829)