This is a large and very detailed pygidium of the trilobite Dipleura dekayi boliviensis frm the Devonian of Bolivia. Die fossil comes with the positive and negative side.
|Jachachili, Sicasica, La Paz Department, Bolivia|
|Size trilobite:||about 35 mm wide|
|Age:||Middle Devonian, Givet, Sicasica Formation . (ca. 380 Mill. Years)|