5:50 Trilobites Order Redlichiida and olenellida Explained | Earth Detective 7:02 Real vs. Fake Trilobite Fossils and How to Tell the Difference (Revised) 1:25 What is a Trilobite? (A Quick Introduction) 4:51 Ask A Scientist - What is a Trilobite? 6:30 mastodon - Trilobite + lyrics 6:55 The Trouble With Trilobites 3:23 Trilobite - Deep Time (\"Dynamite\" parody) 7:04 We've Been Collecting This Fossil for 15,000 Years 0:18 Trilobites are extinct - an arthropod from the Paleozoic Era 5:27 Is this the most successful animal ever? - Nigel Hughes