Mold of a brachiopod fossil. The rock measures 32.05 mm (1.26 in) tall by 38 mm(1.49 in) wide. The fossil measures 19.75 mm (.77 in) tall by 24.09 mm (.94 in) wide. This fossil dates to the Devonian Period (416-359.2 million years ago).
Rocky shore of man-made lake. Pymatuning Lake, Ahstabula County, Andover, Ohio, USA