This is a trilobite concretion with two head shields of Eldredgeia venustus from the Devonian of Bolivia. | |||
Location: | Tikani, Estacio´n de Bombeo, Sicasica, La Paz Department, Bolivia | ||
Size Matrix: | about 33 x 33 mm | ||
Age: | Middle Devonian, Givet, Sicasica Formation . (ca. 380 Mill. Years) |