Skip to content


United States






JFK Assassination


  • Trilobite | fossil arthropod | Britannica

    Because trilobites appear fully developed in the Cambrian Period, it appears likely that the ancestral trilobites originated during the Ediacaran Period (630 million to 542 million years ago) of […]

  • Trilobite - Wikipedia

    Trilobites (/ ˈ t r aɪ l ə ˌ b aɪ t, ˈ t r ɪ-,-l oʊ-/; meaning "three lobes") are a group of extinct marine arachnomorph arthropods that form the class […]

  • presented by EXTINCTIONS Inc. ONLINE CATALOG Search: All EXTINCTIONS Stores This Store - Trilobites AmberCompany Crinoids DinoStore FossilFish FossilsForSale FossilPlants NatureStore […]

  • What is a Trilobite? -

    Trilobites continued to develop and radiate during the lower Paleozoic until their decline into the Devonian. Proetida is the only trilobite order that survived into the Permian. The Permian mass […]

  • What are trilobites? - The Australian Museum

    Trilobites had a pair of many-jointed antennae that projected in front of the head (but attached further back, against the hypostome), then three more pairs of head legs. The legs attached to the […]

  • A Guide to the Orders of Trilobites

    View galleries of trilobite images from the web, examine fact sheets, pictorial guides, and an identification key for each order, refer to a family listing, a genus listing, or consult a trilobite […]

  • Trilobite Fossils for sale | eBay

    Trilobites run the gamut of everyone's taste, from rough-hewn samples ripped straight out from digging to polished trilobite fossils primed for display as jewelry or in museum cases. If you desire […]

  • Introduction to Trilobites

    Trilobites are remarkable, hard-shelled, segmented creatures that existed over 520 million years ago in the Earth's ancient seas. They went extinct before dinosaurs even came into existence, and are […]

Harrisonburg / JMU

Los Angeles / Woodbury

Carrboro / Duke