The image shows a page from a book with a drawing of various types of shells and text describing the Jurassic period.
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The image shows a page from a book with a drawing of various types of shells and text describing the Jurassic period. The shells are arranged in a circular pattern, with some overlapping each other, and the text is written in a bold font. The colors of the shells range from light brown to dark brown, and some of them have intricate patterns on them.
