Re: Mr. Z-rex

["Jaime Headden" <jaemei@hotmail.com>]

<I'm not familiar with "Mr. Z-Rex," so I looked up the supplied URL with 
interest. Here's the portion on injury:

"The skull shows evidence of a terrible wound in life that re-healed and 
apparently did not bother the beast. A hole is still seen on the crest 
of the skull near the orbit with the bone all around the edge having 
healed. There also appears to be teeth marks in the skull." 

How did you>

[reference to Betty]

<come to the conclusion that the healed injuries were inflicted by 
another tyrannosaur? A hole could have been inflicted by a ceratopsian 
horn. The teeth marks, even assuming they are tyrannosaur teeth, could 
have been caused by post-mortem scavenging.>

If the supraorbital wound is the one I see on the postorbital left 
laterodorsal side, it appears to have been punctured from behind; the 
lip around the particular feature may be an effect of bone regrowth 
rather than actual orientation of bite/horn.

As for the teeth marks, we have Sue to support wounds (without teeth to 
prove ownership) made by another rex. I can't see any particular marks I 
can isolate as tooth-formed. Can anyone help _me_?

Jaime A. Headden

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