4.8" Eurypterus Sea Scorpion Fossil Mortality Plate Eurypterid Silurian 420 Mil Yrs Old NY Herbivore " is a hadrosaurid dinosaur

" is a hadrosaurid dinosaur that lived during the Maastrichtian stage of the late Cretaceous period

making extraction extremely difficult

spending their entire lives in the ocean

While Allosaurus was its primary predator

in these deposits suggests periods of favorable climate and nutrient-rich marine ecosystems that supported thriving benthic communities

4.8" Eurypterus Sea Scorpion Fossil Mortality Plate Eurypterid Silurian 420 Mil Yrs Old NY Herbivore " is a hadrosaurid dinosaurLocation: Buffalo, New York, Bertie Green Formation Weight: 15. 5 Ounces Dimensions: 4. 8 Inches Long, 5. 5 Inches Wide, 0. 7 Inches Thick (Plate) Comes with a Free Stand. Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Upper Silurian, 420 Million Years old Long before fish dominated ancient seas, Eurypterids, or sea scorpions, prowled Paleozoic waters as some of the most fascinating arthropods of their time.