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maxillary fenestration (was "magical" feathers)
I think Philidor makes an important point that has not been answered
(AFAIK). So I'll rephrase what I believe to be the major thrust of that
What coelurosaurs are known to have had maxillary fenestration, and
is there a good chance that Erlikosaurus and Chirostenotes didn't have such
fenestration in their ancestry?
Could this be a red flag that we need to look closer at the assumptions
that have resulted in the conclusion that they "lost" maxillary fenestration
from ancestors that "possessed" this character?
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