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FIRST SET OF PICTURES:

Top:
1 – Conus vittatus (West Central America)
2 – Thais kiosquiformis (West Central America)
3 – Cominella adspersa (New Zealand)
4 – Murex (Naquetia) capucinus (Western Pacific)

Bottom:
1,2 – Thais rugosa (usually from India)
3 – Nassaria spinigera (Philippines)
4 – Nassarius olivaceus (Western Pacific)

SECOND SET OF PICTURES:

Top:
1 – Conus corallinus (Western Pacific, usually Philippines)
2 – Conus vimineus (Western Pacific)
3 – Conus nux (West Central America)

Bottom:
1 – This resembles a cone shell, but is actually a member of the family Columbellidae – Parametaria duponti (West Central America)
2 – probably Conus andamanensis but could be Conus collisus (Western Pacific)

THIRD SET OF PICTURES:

The 3 specimens on the left resemble Trochidae, but they are actually Bembicium nanum, a member of the family Littorinidae, from Australia.
Top Right - Monodonta articulata (Mediterranean)
Bottom Right -  Trochus ferreirai (Philippines)