caption: The image shows a black and white photo of four different types of shells, with the text "Bela Gouldii Verrill, 1882 USNM 77435 Holotype" 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 to dark, with some having a glossy finish. The text is written in a bold font, making it stand out against the dark background.