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Re: L'origine et l'évolution des oiseaux, with a

Point 1. There's evidence for uropatagia in Cosesaurus (femur=tibia) so the 'makes sense' comment is falsified. Also extra membranes/flesh in Macrocnemus and Tanystropheus.

WTF. That's major news, you know. Why isn't that published?

Except... a *Macrocnemus* with soft-tissue preservation is published, and it has no trace of a patagium, just musculature and scaly skin on top of it. Don't equate "extra membranes" with "flesh".