Web Links 

Conchologists of America
Official Florida State Shell
Bailey-Matthews Shell Museum
American Malacological Society

Local Shell Clubs
Florida:
Broward Shell Club
Jacksonville Shell Club
Englewood Shell Club
Sarasota Shell Club
St. Petersburg Shell Club
Astronaut Shell Club

Other States:
Boston Malacological Club
Houston Conchology Society
North Carolina Shell Club
Oregon Society of Conchologists
Pacific Conchological Club
San Antonio Shell Club
San Diego Shell Club