The Turritellidae Family includes 147 species comprising 5 subfamilies (Turritellinae (14 genus), Vermiculariinae (2), Protominae (1), ...)
and 17 genus (Turritella (78 species), Colpospira (23), Vermicularia (10), ...)

Phylum      : Mollusca
 Class       : Gastropoda 
  Subclass    : Caenogastropoda 
   Order       : [unassigned]Caenogastropoda 
    Superfamily : Cerithioidea 
     Family      : Turritellidae

Common name : tower shells or tower snails

Aspect : fine, elongated shell in the shape of a spin or screw, without umbilicus. Very many towers with a convex suture line. Circular opening, thin labrum. Thin operculum

Feeding : destrivorous, micro-algae

Environment : sandy bottoms

Turritella terebra (Linnaeus, 1758) (Subfamily Turritellinae)