Xiphactinus audax | Monster Cretaceous Fossil Fish | Niobrara Chalk Formation, Kansas Formation Eurypterus remipes

Eurypterus remipes

It commonly forms in well-defined hexagonal crystals and can be found both as individual points and clustered formations

testis: 20 inches

The larger fragments are unidentified but it is likely that there are turtle and crocodilian bones in this rock

but none of these teeth are shorter than 3"

Xiphactinus audax | Monster Cretaceous Fossil Fish | Niobrara Chalk Formation, Kansas Formation Eurypterus remipesXiphactinus audax 87 and 82 million years ago during the Coniacian, Santonian, and Campanian stages of the Late Cretaceous Niobrara Chalk Formation, Kansas Measures approximately 12 feet long by 5. 5 feet wide Xifactinus was a huge, terrifying carnivorous bony fish that hunted the Western Interior Seaway of North America during the Cretaceous period. While fossils of Xiphactinus can be found in many locations around the world from Europe to Australia,