Partial Protosphyraena nitida Pectoral Fin

This is a partial Protosphyraena pectoral fin measuring 17.5 inches long.  The fin has been repaired and preserved, but no restoration.  The fin is preserved with a penetrant and stabilizer.  View image in a new window or use zoom tool to see high resolution details.  The color difference is due to exposure (tan) versus the buried section (brown).  This fossil is from the Niobrara Chalk (~87Ma) in Western Kansas.  Complete location will be included with purchase.  email us at info@chalkhillsfossils.com for more info.