An <i>Eldredgeia eocryphaea</i> <a href="//commons.wikimedia.org/wiki/Trilobita" class="mw-redirect" title="Trilobita">trilobite</a>, Order Phacopida, Family Calmoniidae, 49mm measured along the axis, dorsal view a bit from the front, collected from tge Lower Member of the Belen Formation, Scaphiocoelia
Assemblage Zone, Sicasica, La Paz Department, from the Lower Devonian (Pragian?)
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CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>