As with many sand dollars, both live in large groups.

On the ocean bottom, sand dollars are frequently found together.

All sand dollars have a rigid skeleton known as a test.

While the sand dollar was against the fence, its light would dim.

And, um, as I was walking along the beach, there were broken sand dollars.

Collecting sand dollars is more important right now than listening to you two carry on about me and Grant.

Living sand dollars have small spines covering its entire body.

At the touch pool, children hold live starfish and sand dollars.

Whenever she was at the beach, Jane had a habit of looking for tiny sand dollars.

Sand Dollar's objective was to find and photograph the K-129.