0.7" Running Rhino Hyracodon Nebrascensis Fossil Tooth South Dakota Badlands COA Xiphactinus Period: Late Triassic (237–201 million

Period: Late Triassic (237–201 million years ago)

Its hardness on the Mohs scale ranges from 5

around 100 million years ago

offering valuable insights into the evolution and diversity of ancient sharks as well as the ecological dynamics between predators and prey in prehistoric marine ecosystems

0.7" Running Rhino Hyracodon Nebrascensis Fossil Tooth South Dakota Badlands COA Xiphactinus Period: Late Triassic (237–201 millionLocation: South Dakota, White River Formation, Pennington County Weight: 0. 3 Ounces Dimensions: 0. 7 Inches Long, 0. 7 Inches Wide, 0. 6 Inches Thick Comes with a Certificate of Authenticity. Comes with a Display. The item pictured is the one you will receive. 30 35 Million Years Old Oligocene Period The discovery of Rhinoceros fossils in the Badlands of the American West was very exciting, as most people never suspected that such primitive