Fossil of a bivalve from Okura, Kanazawa City, Ishikawa Prefecture. This is a Japanese venus clam (Kagamigai) with matrix. It was found in fragile sandstone, so it has been solidified with adhesive. Please check the condition in the images. Scientific name: Dosinia (Phacosoma) japonicus Age: Cenozoic Era, Quaternary Period, Pleistocene Epoch