![](http://www.alamy.com/thumbs/6/5F8E649C-5134-450D-BC41-3B62796EF0BA/B1P5DD.jpg)
Trilobite, Ellipsocephalus hoffi, Cambrian Period, Czech Republic
Size: 3600px × 5400px
Location: Wyoming
Photo credit: © Tom Stack / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ancient, cambrian, ellipsocephalus, evolution, fossil, hoffi, marine, paleo, prehistoric, rare, trilobite