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dinosaur pathology



After Darren's extensive discussion of osteoarthritis in dinosaurs, I must
ask if anyone has examined the effects of taphonomy on the potential 
preservation of such pathologies.  We know from looking at many  dinosaur
bones that preservation is poorest at the joint ends because they have
lost cortical bone from the joint articulation surfaces where the bone
is thinnest and, hence, easiest and most likely to erode before burial.
I wonder how taphonomy would affect preservation of osteoarthritis if
the joint region is the most likely to have lost bone.  I would appreciate
any references on this topic that anyone might have. 
b

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Bonnie A.B. Blackwell,                          bonn@qcvaxa.acc.qc.edu
Dept of Geology,                                off: (718) 997-3332
Queens College, City University of New York,    fax: (718) 997-3299
Dept of Earth \& Environmental Sciences,        fax: (718) 997-3349
The Graduate Center, CUNY,                      fax: (718) 997-3513
Flushing, NY 11367-1597                         messages: (718) 997-3300