A fossilized shell.
S. G. Goodrich Animal Kingdom Illustrated Vol 2 (New York, NY: Derby & Jackson, 1859)
TIFF (full resolution)
742×2400, 232.6 KiB
Large GIF
316×1024, 42.4 KiB
Medium GIF
197×640, 23.0 KiB
Small GIF
98×320, 9.1 KiB