What Is a Seabiscuit Shell

Sand dollars (also known as a sea cookie or snapper biscuit in New Zealand, or pansy shell in South Africa) are species of flat, burrowing sea urchins belonging to the order Clypeasteroida. Some species within the order, not quite as flat, are known as sea biscuits.

What's the difference between a sand dollar and a Seabiscuit?

Sea urchins use their spines for defense. The spines in sea urchins can be hollow or solid, depending on the species. … The difference between sea urchins and sand dollars is that the spines found on sand dollars are much smaller. As you can see below, these spines are extremely tiny.

What is Seabiscuit?

Seabiscuit, (foaled 1933), American racehorse (Thoroughbred) that in six seasons (1935–40) won 33 of 89 races and a total of $437,730, a record for American Thoroughbreds (broken 1942). His unlikely success proved a welcome diversion to millions during the Great Depression, and he became a national phenomenon.