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Trilobites

  • 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 - FossilEra.com

    The last trilobites went extinct at the end of the Permian period over 20 million years before the first dinosaur appeared on earth. While most trilobites were fairly small, averaging around an inch […]

  • 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 artiopodan arthropods that form the class […]

  • 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 […]

  • What is a Trilobite? - FossilEra.com

    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 […]

  • 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 […]

  • 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 […]

  • Trilobite | Definition of Trilobite by Merriam-Webster

    Trilobite definition is - any of numerous extinct Paleozoic marine arthropods (group Trilobita) having the segments of the body divided by furrows on the dorsal surface into three lobes.

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