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Re: Feathers for T-rex?
What Tom said...
Seriously, the only evidential conclusion that can be reached on
tyrannosaurs right now is that they were proto-feathered throughout life.
Speculation that they may have lost them either during phyletic evolution or
ontogenetic development is possible (with the total loss during phyletic
evolution much less likely in my opinion) but remains only speculative until
more direct data becomes available.
Scott