The Cymatiidae Family includes 135 species comprising 23 genus (Monoplex (26 species), Ranularia (24), Gyrineum (15), ...)

Phylum      : Mollusca
 Class       : Gastropoda 
  Subclass    : Caenogastropoda 
   Order       : Littorinimorpha 
    Superfamily : Tonnoidea 
     Family      : Cymatiidae

Common name : hairy tritons

Aspect : Quite large shell of variable shape, thick, strongly carved, tuberculate with large varicose veins. Oval opening, thick labrum, internally serrated. Wrinkled internal lip. Shell sometimes hairy or with fringes. more or less short siphonal canal

Feeding : sea urchins, worms, bivalves

Environment : warm, tropical seas, coral reefs, medium depth

Gutturnium muricinum (Röding, 1798)