Fossil Hyoid Bones
The difference between the popular press (well - The Guardian) and scientific journals is illustrated by these articles covering the same story.
The Guardian - Tongue-tied: T rex couldn't stick out its tongue
PLOS One - Convergent evolution of a mobile bony tongue in flighted dinosaurs and pterosaurs
Both have there place - I would not have seen the PLOS One article if the Guardian had not mentioned it. And it takes less expertise to understand Nicola Davis's piece. She is the Guardian's correspondent.
It seems that if you are a "tear and gulp" eater you do not need a complicated tongue; if you are a picky eater, you do.
The contrast in the illustrations is interesting.
The Guardian
PLOS One
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