caption: The image shows a page from a book with a drawing of various types of echinoderm, a type of sea urchin, on it. The page is filled with detailed illustrations of the various shells, each with its own unique shape and texture. The shells are arranged in a symmetrical pattern, with some overlapping each other, and the colors range from light to dark shades of brown. The text on the page is written in a cursive font, adding to the overall aesthetic of the image.