3.1" Unknown Fossil Vertebrae And Bones in Matrix Late Cretaceous Era Niobrara FM KS Ruby & Zoisite Lower sea levels exposed vast

Lower sea levels exposed vast areas of the continental shelf

While the lake once spanned up to 930 square miles

Their rapid evolutionary turnover makes them invaluable as index fossils

celebrated for its bright-red and orange crystals that are often perfectly formed

These large

3.1" Unknown Fossil Vertebrae And Bones in Matrix Late Cretaceous Era Niobrara FM KS Ruby & Zoisite Lower sea levels exposed vastLocation: Niobrara Formation, Gove County, Kansas Weight: 1. 9 Ounces Dimensions: 3. 1 Inches Long, 2. 6 Inches Wide, 0. 9 Inches Thick Late Cretaceous, 83 million years old The item pictured is the one you will receive. The Niobrara Formation in Gove County, Kansas, is a significant geological unit, primarily composed of chalk and calcareous shale, deposited during the Late Cretaceous period. This formation is renowned for its rich fossil record,