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So, now your argument is based on what WASN'T found? Interesting 'evidence'

Being as the argument in entirely based on what WASN'T left on the fossil, we'll stand on the other more unbiased findings.

"Yes, the skin doubtless sloughed off during the decay process, and not having any real resistance (like the bones did), would have been compacted more than the skeleton, and could easily make it look like midline structures are not on the midline, but this argument cuts both ways: non-midline structures could also be displaced to appear as if they're on the midline, especially when the entire body is laterally compressed and exposed in lateral view. "

As you so correctly commented:

"Time, more fossils and more studies will better answer this question."

When you guys have actual proof versus speculation, let us know.

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Replying to:

Time, more fossils and more studies will better answer this question. One thing that was ignored in this study was the fact that these structures appear in areas other than the midline. In discussion here the problem is outlined.

http://dml.cmnh.org/2007May/msg00413.html
"* they seem to continually interpret all the structures are body midline structures, but Currie et al. long ago pointed out that in the holotype, the structures are _not_ preserved along the body midline, particularly in the head area. Yes, the skin doubtless sloughed off during the decay process, and not having any real resistance (like the bones did), would have been compacted more than the skeleton, and could easily make it look like midline structures are not on the midline, but this argument cuts both ways: non-midline structures could also be displaced to appear as if they're on the midline, especially when the entire body is laterally compressed and exposed in lateral view. Currie & Chen's paper document (though doesn't adequately picture) patches of these structures on the caudolateral margin of the cranium, and in another specimen on the ribs and side of the tail. Unless these animals were covered by the kinds of ribbon-like frills of collagen in places other than the body midline (a la http://lhs.lidgerwood.k12.nd.us/LHS/BlakesWebPage/Graphics/Pictures/Comp.jpg -- certainly possible, but seems very odd to me...certainly without a modern analog), the argument that the fibers are collagenous and restricted to the body midline is weakened."

The remarks are from Jerry D. Harris, Director of Paleontology at Dixie State College. He is typical of the response to the study.

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