Pemmatites macroporus Dunikowski, 1884 Click on image to magnify Go-Back Pemmatites macroporus Dunikowski, 1884 - sponge - Pennsylvanian - Gzhelian Stage
Pemmatites macroporus Dunikowski, 1884 Click on image to magnify Go-Back
Pemmatites macroporus Dunikowski, 1884 - sponge - Pennsylvanian - Gzhelian Stage