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Re: Sacralisation of dorsals

You also see it in non-dinosaurian archosaurs such as rauisuchians and some

Bill Parker
Vertebrate Paleontologist
Division of Resource Management
Petrified Forest National Park
P.O. Box 2217
1 Park Road
Petrified Forest, AZ 86028
(928) 524-6228 x262

                      fam jansma                                                
                      <fam.jansma@tisca        To:       DML <dinosaur@usc.edu> 
                      li.nl>                   cc:       (bcc: William 
                      Sent by:                 Subject:  Sacralisation of 
                      12/10/2006 12:55                                          
                      PM CET                                                    
                      Please respond to                                         

Hey all!

I was just wondering: what is the bigger picture considering the
sacralisation of dorsals into the sacrum?

I know it has something to do with adding support and strenght to the
or I could be even mistaken in that, but is this because of strain put on
the ilium because of the enlargement of leg muscles?

Any comments or answers are welcome, I'm just very interested in it right
now, because you observe it in a lot of families of dinosaurs, both
carnivorous as herbivorous.

Thanks in advance,


Rutger Jansma