Here is a wonderful double of two heads of Trinucleoides reusii in a nice 3dimensinal preservation. | |||
Location: | Rokycany Osek, Barrandian area, Czech Republic | ||
Size Matrix : | about 33 x 25 mm | ||
Age: | Middle Ordovician, Llandeilo, Šárka Formation (About 464 mill. Years old) |