But it has a more consistent round shape, as described by its species name, parma, meaning “round shield,” rather than the two slits of the pansy shell. Like all sand dollars, Echinarachnius ...

The number of rings increases with body size, meaning the bigger the sand dollar, the older it must be. According to the Monterey Bay Aquarium, the disk-like, shell-resembling ocean dwellers can ...

Sand Dollar Island and surrounding sand bars are the only places Chris Mojica, of Raleigh, and his family have searched for and managed to find the little shell-like skeletons. “My family visits ...

They’re a smooth shell with a very pronounced swirl. Technically, a sand dollar is a sea urchin which means what washes up on the shore is a rigid skeleton called a test. It’s none for the ...

Moon snails: The unique creature that eats other snails and clams The classic sand dollar that we think of is a round white flat “shell” with the imprint looking like a sea star on the top ...

We’ve seen these sand dollars get real dense onshore, and they wash up. It happens pretty frequently.” Leigh Gay, outreach coordinator with the Bailey-Matthews National Shell Museum ...