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RE: Helicoprion (shark) mystery solved (free pdf)



> From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu] On Behalf Of 
> Raptorial Talon
>
> Does this mean Ray Troll was basically right? Must find an illustration . . .

Ray actually illustrates the paper with a new, and all previous, 
interpretations!

Helicoprion is all over the paleo-blogosphere:
http://blogs.scientificamerican.com/running-ponies/2013/02/27/prehistoric-ghost-shark-helicoprions-spiral-toothed-jaw-explained/
http://phenomena.nationalgeographic.com/2013/02/26/buzzsaw-jaw-helicoprion-was-a-freaky-ratfish/
http://whyevolutionistrue.wordpress.com/2013/02/27/buzzsaw-an-ancient-spiral-toothed-shark/


Thomas R. Holtz, Jr.
Email: tholtz@umd.edu   Phone: 301-405-4084
Office: Centreville 1216                        
Senior Lecturer, Vertebrate Paleontology
Dept. of Geology, University of Maryland
http://www.geol.umd.edu/~tholtz/
Fax: 301-314-9661               

Faculty Director, Science & Global Change Program, College Park Scholars
http://www.geol.umd.edu/sgc
Fax: 301-314-9843

Mailing Address:        Thomas R. Holtz, Jr.
                        Department of Geology
                        Building 237, Room 1117
                        University of Maryland
                        College Park, MD 20742 USA