The image shows a group of five different types of shells on a black background, with the text "Callistoma chilena rehder, 1971" at the top.
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The image shows a group of five different types of shells on a black background, with the text "Callistoma chilena rehder, 1971" at the top. The shells are arranged in a symmetrical pattern, with each shell having a unique shape and texture. The colors of the shells range from light to dark, with some having a glossy finish and others having a matte finish. The text is written in a bold, white font, making it stand out against the dark background.
