Mark Purnell
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"Dr Mark Andrew Purnell" is a United Kingdom/British palaeontologist, Reader of Geology at the University of Leicester.

Purnell is an expert in conodont biostratigraphy (principally Carboniferous) and conodont paleobiology/palaeobiology, focussing especially on attempts to uncover the function of conodont elements. Using conventional functional morphology, physical modelling and microwear analysis, Purnell uncovered unequivocal evidence that conodont elements had performed a mechanical tooth function in life, resolving a palaeobiological debate that had run for more than a century. His work has expanded in recent years to analysing feeding mechanisms of extinct vertebrates more generally,

Purnell, M. A., Bell, M. A., Baines, D. C., Hart, P. J. B. and Travis, M. P. 2007. Correlated evolution and dietary change in fossil stickleback. Science "317": 1887 exploiting microwear, including validation studies based on extant stickleback fish.

Purnell was awarded the Hinde Medal of the Pander society in 2006 and served as Vice-President of the Palaeontological Association from 2003-2005.

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They'll be throwing a lot of elbows and squeezing into tight spots.

He was just motoring, going like 30 mph on the flat. I was really surprised that he didn't get first.