You can find them in most Lowcountry gift shops — those sun-bleached, disc-like “shells” of sand dollars, popular as decorations and souvenirs. Each cookie-shaped, calcium carbonate skeleton once ...

Pristine white sand dollars have long been the souvenir to commemorate a successful day at the beach. But most people who pick them up don’t realize that they’ve collected the skeleton of an animal, ...

The Oregon Coast offers beachgoers activities like hunting for glass floats, sightseeing, sand raking and collecting sand dollars. While finding a whole sand dollar can be rare, there is a rocky beach ...

New work on echinoids -- marine animals like sea urchins and sand dollars -- gives scientists a reason to rethink a classical pattern of evolution. Fossil-based studies have traditionally indicated ...