Five Xiphactinus audax vertebra in matrix

This is a section of Xiphactinus vertebra still partially in the natural matrix.    Piece measures about 4" by 3 1/2" and is about 1" thick.  Vertebra are approximately 1" x 1 3/8".  Back shows glue/stabilizer.  This fossil is from the Niobrara Chalk of Western Kansas.