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Trochidae 5 species (29 shells in total)

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 (diatoms), jellyfish (hydrozoans)

Environment : worldwide, tidal to deep zone

Clanculus puniceus (Philippi, 1846) (Subfamily Trochinae)

Clanculus puniceus

Gibbula magus (Linnaeus, 1758) (Subfamily Cantharidinae)

Gibbula magus : (Brittany)

Monodonta australis (Lamarck, 1822) (Subfamily Monodontinae)

Monodonta australis

Phorcus turbinatus (Born, 1778) (Subfamily Cantharidinae)

Phorcus turbinatus : (Côte d'Azur)

Trochus noduliferus Lamarck, 1822 (Subfamily Trochinae)

Trochus noduliferus: (polished)
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