The image shows four different types of clams on a black background, with the text "Unio Georgianus Lea, 1841, Holotype USNM 84928" written on them.
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The image shows four different types of clams on a black background, with the text "Unio Georgianus Lea, 1841, Holotype USNM 84928" written on them. The clams are arranged in a symmetrical pattern, with each one having a unique shape and texture. The shells are a light brown color with a glossy sheen, and the text is written in a bold white font.
