2.4" Cretaceous Shark Coprolite (Fossil Poop) - Kansas

This is a rather unusual fossil, it is a coprolite (fossilized poop) from a shark. The spiral presentation of the coprolite is a characteristic produced by the spiral valve intestine of sharks. It comes from the Late Cretaceous, Smoky Hill Chalk of Gove County Kansas.

There are some cracks through this coprolite that have been repaired with glue.

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.
Unknown Shark
Gove County, Kansas
Niobrara Formation, Smoky Hill Chalk
2.4" wide
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