Dinosaur serrations

Jonathan Lighter wuxxmupp2000 at GMAIL.COM
Fri May 16 17:37:32 UTC 2014

Cartoon dinosaurs (other than Stegosaurus) often used to be drawn with a
line of rather small, skinny serrations along their spines.  Why was that?
More to the point, does herpetology provide a more technical terms than
"serrations"?  Assuming that comparable structures exist on some reptiles


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