This Acantopyge - Pygidium from the Devonian of Bolivia offers a great contrast and nice details as well. The nodular measures about 35 x 20 mm.
|Tikani, Estacio´n de Bombeo, Sicasica, La Paz Department, Bolivia|
|Size trilobite:||Pygidium about 23 mm long|
|Age:||Middle Devonian, Givet, Sicasica Formation . (ca. 380 Mill. Years)|