The Trochidae Family includes 593 species comprising 12 subfamilies (Cantharidinae (25 genus), Umboniinae (19), Trochinae (11), ...)
and 77 genus (Clanculus (80 species), Gibbula (39), Jujubinus (38), ...)

Phylum      : Mollusca
 Class       : Gastropoda 
  Subclass    : Vetigastropoda 
   Order       : Trochida 
    Superfamily : Trochoidea 
     Family      : Trochidae

Common name : top-snails or top-shells

Aspect : large family including a dozen sub-families. Below, 3 sub-families in particular - Trochinae, Monodontinae and Cantharidinae- conical or turbinated shell, pearly inside. generally flat base with an umbilicus. Colored surface, round aperture without siphonal canal. Multi-breathed horn operculum.

Feeding : algae

Environment : worldwide, tidal to deep zone

Clanculus puniceus (Philippi, 1846) (Subfamily Trochinae)