Sand Dollar Illustration - Marine Biology & Educational Resource #1964805 (License: Personal Use)

This minimalist line drawing depicts a sand dollar’s characteristic test (skeleton), featuring a central five-petaled floral pattern known as the petaloid and four short radial lines marking the ambulacral areas. The clean, unshaded style makes it suitable for scientific diagrams, children’s activity sheets, or coastal-themed design elements.

Used in educational websites, marine biology curricula, nature blogs, and printable coloring pages; targets users seeking accurate yet simplified visuals of echinoderms for teaching or creative projects.