Sand Dollar Shape of Life

photo by Cheryl MooreheadWalking the beach you may be lucky enough to find an intact sand dollar. These are the bleached exoskeleton of dead animals. What do you know about live sand dollars? Notice the five-rayed star on the top of your sand dollar. Sand dollars are echinoderms, related to sea stars and sea urchins. Like all echinoderms, their bodies are based on five-part symmetry (watch our video on the body plan of these animals: Five part symmetry).

Amazing Sand Dollar Facts

Sand dollars were masters of their environment when alive

Abstract Dollar Sand Blue Shape Watercolor Illustration Decoration

Sand dollars (Clypeasteroida) on Singapore shores

Living Sand Dollar - Beautiful on top, Horrifying on the bottom

Sand Dollar Shape Laser Cut Unfinished Wood Cutout Shapes Always

Facts: The Sand Dollar

See millions of years of history while beachcombing in San Francisco

Sand Dollar Shape of Life