caption: The image shows a page from a book with a variety of different types of shells, including a brachiopod, on it. The page is filled with intricate details of the shells, such as the ridges and grooves that make up the shells. The shells are arranged in a pattern, with some overlapping each other, and the colors range from light brown to dark brown. The text on the page is written in a cursive font and is surrounded by a decorative border.