This Specimen has been sold.
3.0" Cretaceous Fossil Fish (Xiphactinus) Vertebra - Kansas
This is a 3.0" fossil fish (Xiphactinus) vertebra from the Smoky Hill Chalk, Gove County, Kansas. It is a well preserved, showing anatomical structures.
The Smoky Hill Chalk Member of the Niobrara Chalk formation is a Cretaceous conservation Lagerstätte, or fossil rich geological formation, known primarily for its exceptionally well-preserved marine reptiles. It outcrops in parts of northwest Kansas, its most famous localities for fossils, and in southeastern Nebraska. Large well-known fossils excavated from the Smoky Hill Chalk include marine reptiles such as plesiosaurs, large bony fish such as Xiphactinus, mosasaurs, pterosaurs, and turtles.