Sign up for JPG+ to start using collections now!
Photo license: © All rights reserved
Trilobite fossil at the Field Museum in Chicago. The Field Museum is an utterly marvelous natural history museum and should be on your itinerary when you next stop in Chicago.
Trilobites are extinct marine arthropods -- their closest living relatives may be the horseshoe crab.Thanks for stopping by.
Please Login or Sign Up
Login or Sign Up
Need contest credits? Get 'em here!
Select a Shoot Out contest credit package below.