The image shows a group of four different types of shells on a black background, with the text "Calliotropis antarctica dell, 1990" at the top.
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The image shows a group of four different types of shells on a black background, with the text "Calliotropis antarctica dell, 1990" at the top. The shells are arranged in a symmetrical pattern, with each one having a unique shape and texture. The colors of the shells range from light brown to dark brown, with some having a glossy finish. The text is written in a bold, white font, making it stand out against the dark background.