Even though the keyhole urchin is more closely related to the common sand dollar than an urchin, they are not the same species. What people find on the beaches of Florida are not sand dollars.

Beachgoers in the past few months have been sharing photos of sand dollar finds along the shore, a common sight off the Southern California coast decades ago, but less so in recent years.

The sand dollars spill from the riverbank in clumps ... At the time, the saddle shaped oysters were common across the American south, from Louisiana to the Carolinas. Alabama is one of the ...

Scutelliforms include all of the common sand dollars and are the best studied of all clypeasteroids. They are mainly shallow water forms inhabiting sandy substrata and living immediately underneath ...

"I think it's pretty cool, I've never seen anything like this." Finding sand dollars along Oregon beaches is pretty common, especially in Seaside. If you're lucky enough, they haven't been broken ...