The Cerithiidae Family includes 238 species comprising 3 subfamilies (Bittiinae (15 genus), Cerithiinae (13), Cerithiidae incertae sedis (1))
and 28 genus (Cerithium (71 species), Bittium (48), Lirobittium (16), Rhinoclavis (15), Clypeomorus (14), Alabina (10), ...)

Phylum      : Mollusca
 Class       : ⤷Gastropoda 
  Subclass    : ⤷Caenogastropoda 
   Order       : ⤷Caenogastropoda incertae sedis 
    Superfamily : ⤷Cerithioidea 
     Family      : ⤷Cerithiidae

Common name : cerith or creeper

Aspect : slender, elongated, high-spired shells with many whorls and a pointed apexs with piral rows of tubercles, nodules, ridges, or spine; aperture small and often equipped with an anterior canal or notch; size from 3mm (Bittium alternatum) to 150 mm (Cerithium nodulosum)

Feeding : herbivorous (diatoms and film algae, detritus)

Environment : shallow, sublittoral marine environments worldwide, predominantly in tropical and subtropical waters, to temperate zones in sandy or muddy flats, reef flats, intertidal rocky shores with sediment layers, seagrass meadows, macroalgal beds, mangrove forests, and coral rubble zones