No. of
Family. Genus. Species. Distribution.
1. Strombus 60 W. Indies, Mediterranean, Red Sea,
Indian Ocean, Pacific--low water
to 10 fathoms.
Pteroceras 12 India, China.
2. Murex 180 On all coasts.
Columbella 200 Sub-tropical regions, in shallow
water on stones.
Mitra 350 Tropical regions, from low water
to 80 fathoms.
Fusus 100 On all coasts.
3. Buccinum 20 Northern seas, from low water to
140 fathoms.
Eburna 9 Red Sea, India, Australia, China,
Cape of Good Hope.
Nassa 210 World-wide--low water to 50 fathoms.
Purpura 140 World-wide--low water to 25 fathoms.
Harpa 9 Tropical--deep water, sand, muddy
bottoms.
Oliva 117 Sub-tropical--low water to 25 fathoms.
4. Cassis 34 Tropical regions, in shallow water.
Dolium 15 Mediterranean, India, China, W.
Indies, Brazil, New Guinea, Pacific.
Triton 100 Temperate and sub-tropical regions,
from low water to 50 fathoms.
Ranella 50 Tropical regions, on rocks and
coral-reefs.
Pyrula 40 Sub-tropical regions, in 17 to 35
fathoms.
5. Conus 300 Equatorial seas--shallow water to 50
fathoms.
Pleurotoma 500 Almost world-wide--low water to 100
fathoms.
6. Voluta 100 On tropical coasts, from the shore to
100 fathoms.
Cymba 10 West Coast of Africa, Lisbon, Straits
of Gibraltar.
Marginella 90 Mostly tropical.
7. Cypraea 150 Warmer seas of the globe, on rocks
and coral-reefs.
Ovulum 36 Britain, Mediterranean, W. Indies,
China, W. America.