Olividae have always enjoyed great interest and much adoration from shell collectors due to their form, often porcellaneous shine and appealing colours and patterns. All subfamilies of the Olividae are discussed in this collector's guide. Of the 317 recent and considered morpho-species, 237 are figured with their colour forms in this volume. The 80 not figured species, predominantely small and very seldom seen deep water species, are listed in a supplement.