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Re: Kurochkin 2006 critique

David Marjanovic wrote-

3. "the distal head of the femur has a lateral crest;"  Absent in
Archaeopteryx (Chiappe, 2002).

Distal head? What does that mean?

Some enantiornithines (e.g. Neuquenornis, Concornis) have a crest continuous with the lateral condyle, extending along the posterolateral margin of the distal shaft. Halimornis lacks it.

Mickey Mortimer