5.8" Trilobite Trackway Cruziana Plate Fossil Ordovician Age Ouzina Morocco Spinosaurus Onchopristis was a colossal sawfish

Onchopristis was a colossal sawfish that inhabited the seas during the Upper Cretaceous Period

sharing the same chemical makeup but differing slightly in crystal structure

” First described in 2011 by Dr

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

Megalodon thrived in warm coastal waters

5.8" Trilobite Trackway Cruziana Plate Fossil Ordovician Age Ouzina Morocco Spinosaurus Onchopristis was a colossal sawfishLocation: 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