We would like to acknowledge the significant contributions made by the following individuals in the content development of CONCHOLOGY - The Art and Science of Nature at worldwideconchology.com. Contributions were made in the form of content materials for slide presentations, articles, shell photographs, or allowing us to photograph shell specimens from their collections. We are grateful for their help and support in the development of this Web site. Andrew Dickson - Shell Photographs Hans Niklaus - Slide Presentation - Artwork Brian Parkinson - Photos of Live Snails David Paul & Bruce Livett - Photo of living Textile Cone Travis Payne - Shell Specimens - Photos & Scans Dr. Gary Rosenberg - Shell Photographs & Link to Malacolog Enrico Schwabe - Slide Presentation Andy Schwanke - Underwater Photographs Mike Severns - Shell Photographs Ronald L. Shimek - Turridae link Jaap Vermeulen - Slide Presentation & Artwork Tony Whitten - Slide Presentation & Shell Specimens and all of the Java-script fanatics in cyberspace who make available free basic Java-scripts and applets that became the foundation from which the Worldwide Conchology Web site was designed and built.