The image shows a group of four different types of seashells on a black background.
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The image shows a group of four different types of seashells on a black background. The shells are arranged in a symmetrical pattern, with the largest one in the center and two smaller ones on either side. The colors of the shells range from light to dark, with some having a glossy finish and others having a matte finish. The text at the top of the image reads "Entemnotrochus adansonianus SSE of Marathon, Florida".