The Olividae Family includes 287 species comprising 5 subfamilies (Olivinae (4 genus), Olivellinae (4), Olivancillariinae (1), Calyptolivinae (1), Agaroniinae (1))
and 11 genus (Oliva (123 species), Olivella (115), Agaronia (24), Olivancillaria (8), Calyptoliva (4), Callianax (4), ...)

Phylum      : Mollusca
 Class       : ⤷Gastropoda 
  Subclass    : ⤷Caenogastropoda 
   Order       : ⤷Neogastropoda 
    Superfamily : ⤷Olivoidea 
     Family      : ⤷Olividae

Common name : olive shell

Aspect : generally cylindrical shell, smooth, shiny, often colored with various designs; quite low turn, long opening, toothless, with a groove at the top; columellar folds at the bottom of the opening; size between 20 and 80 mm

Feeding : carnivorous and scavengers (bivalves, crustaceans, echinoderms or other gastropods)

Environment : tropical and subtropical marine environments worldwide (tropical Eastern Pacific, Indo-Pacific, Western Atlantic from North Carolina to Brazil and southeastern U.S. coasts); inhabit sandy or soft sediment substrates in sand on intertidal beaches, shallow subtidal zones, sand flats, and near inlets (0–55 m depth)