The image shows a black and white photo of three different types of rocks, with a dark background.
Read full description
The image shows a black and white photo of three different types of rocks, with a dark background. At the bottom of the image, there is text that reads "Holotype". The rocks are arranged in a triangular formation, with the largest rock in the center and two smaller rocks on either side. The larger rock is slightly larger than the two smaller ones, and the text is written in a bold font.
