Here is a nice plate with servile specimens of Ogyginus corndensis from the Ordovician of Wales. The fossil plate comes inclusive the counterpart. | |||
Location: | Llandrindod Wells, Powys, Wales, UK | ||
Size: | largest, about 34 mm long | ||
Age: | Ordovizian, Llanvirn (About . 470 Mill. Years) |