Shell-crushing shark jawplate
Discovered: 5/4/13
Smoky Hill Chalk (L. Cretaceous)
Kansas, USA
Some info on Ptychodus-
~ A genus of durophagous shark (shell-crushing)
~Ptychodus has been found on every continent including Australia
~First discovered in England, thought to be "palates from fish"
~Had crusher teeth on both upper and Lower Jaws
~ Few specimens have included cartilage and even vertabrae remains
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