Gallery of Trilobites
The Trilobita, an extinct class of Paleozoic marine arthropods, was made up of 10 orders, over 150 families, about 5,000 genera and over 25,000 described species.
Click on The Orders Of Trilobites to learn how the Class Trilobita is organized and to view examples of each Order.
Click on each Period below to view representative species, or use the search bar above to search for a specific species or locality (e.g. U.S.A., Czech, England).