1.85" Fossil Pterosaur (Pteranodon) Metacarpal Bone Section - Kansas

This is a 1.85" wide, partial metacarpal bone section (proximal end) of Pteranodon longiceps, from the Smokey Hill Chalk in Kansas. It's fairly deformed from the preservation process, though enough of the bone was left intact and in decent condition for identification.

Pteranodon is a genus of pterosaurs that included some of the largest known flying reptiles, reaching wingspans of over 6 meters (20 feet). They lived during the Late Cretaceous of North America in present-day Kansas, Alabama, Nebraska, Wyoming, and South Dakota. Pteranodon was designated as the official Kansas state flying fossil in 2014. Crucially, pterosaurs like Pteranodon are not dinosaurs: pterosaurs evolved to fly, while dinosaurs were only terrestrial animals.

An artist's rendition of a flying Pteranodon. By Nobu Tamura (www.palaeocritti.com)
An artist's rendition of a flying Pteranodon. By Nobu Tamura (www.palaeocritti.com)

A reconstructed Pteranodon skeleton.
A reconstructed Pteranodon skeleton.

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.
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DETAILS
SPECIES
Pteranodon longiceps
LOCATION
Western Kansas
FORMATION
Niobrara Formation, Smoky Hill Chalk
SIZE
1.85" wide
ITEM
#127877
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