4. They Have Many Nicknames In the U.S., the common name for the Echinarachnius parma species is "eccentric sand dollar," or simply "sand dollar" for short. The name derives from the animal's ...

“You’re trying to minimize drag. That’s what sand dollars have done.” And similar to a spoiler on a car, many species have specialized holes in their skeletons known as lunules, which help equalize ...

Larval cloning has been observed previously among echinoderms, which include about 7,000 species of sea creatures, including starfish, sea urchins and sand dollars. However, this is the first time ...

There are many different species of sand dollars, but the scientific name for the ones found in the Maritimes is Echinarachnius parma. Dried-up sand dollars often wash up on sandy parts of the ...