The Ovulidae Family includes 253 species comprising 4 subfamilies (Prionovolvinae (20 genus), Simniinae (9), Ovulinae (7), ...)
and 38 genus (Phenacovolva (23 species), Diminovula (21), Crenavolva (19), ...)

Phylum      : Mollusca
 Class       : Gastropoda 
  Subclass    : Caenogastropoda 
   Order       : Littorinimorpha 
    Superfamily : Cypraeoidea 
     Family      : Ovulidae

Common name : egg cowries or false cowries

Aspect : Shell often white, tapered or pear-shaped, stretched at the ends, often pinkish. Like cowries, the last turn covers all the others. Faintly marked labial teeth. No seal.

Feeding : carnivore

Environment : tropical waters, coral reefs

Calpurnus verrucosus (Linnaeus, 1758) (Subfamily Eocypraeinae)