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RE: Carnivorous ceratopsids?

It is exceedingly difficult to establish that an animal ate strictly one thing 
or another. After all, deer eat carcasses, cattle
will eat live birds, and hippos actually eat a fair amount of meat. The 
categories "carnivorous" and "herbivorous" are rarely

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
Fax: 301-314-9661               

Faculty Director, Science & Global Change Program, College Park Scholars
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

> -----Original Message-----
> From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu] On Behalf Of 
> Poekilopleuron
> Sent: Wednesday, April 29, 2015 4:14 AM
> To: dinosaur@usc.edu
> Subject: Carnivorous ceratopsids?
> Good day,
> given the new extraordinary find of _Chilesaurus_ I wonder if there is any 
> "firm" evidence of possible omnivory or even
> habits in late Cretaceous ceratopsids? AFAIK some researchers suggested that 
> the extremely strong curved beak could serve for
> ripping flesh just as good as for cropping plant matter. How strong is the 
> current status of obligate herbivory in majority of
> ceratopsians (or even marginocephalians)? Thank you very much, Tom