5.8" Trilobite Trackway Cruziana Plate Fossil Ordovician Age Ouzina Morocco Spinosaurus these remarkable invertebrates dominated prehistoric

these remarkable invertebrates dominated prehistoric seas for hundreds of millions of years before disappearing in the mass extinction that ended the age of dinosaurs

a Mohs hardness of 4

3 Inches Thick (Matrix)

sharing the same chemical makeup but differing slightly in crystal structure

5.8" Trilobite Trackway Cruziana Plate Fossil Ordovician Age Ouzina Morocco Spinosaurus these remarkable invertebrates dominated prehistoricLocation: Ouzina, Morocco Weight: 1 Pound 8. 2 Ounces Dimensions: 5. 8 Inches Long, 4. 2 Inches Wide, 1. 2 Inches Thick (Matrix) Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Trilobite trackways, labeled Cruziana and Rusophycus, are important trace fossils that provide paleontologists with direct insights into the behavior of ancient arthropods. Cruziana features bilobed, elongated furrows made as trilobites