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Re: Comments on *Mei*

 8. Medial pairs of gastralia cross in imbricating pattern (forming a
    "basket").


Like in, say, *Confuciusornis*.

 9. Sacral ribs long, separating the ilia from one another above the
    sacrum.

Unlike in short-tailed birds, where visible -- but like in *Archaeopteryx*, which has widely separated parallel ilia like a dromaeosaur.

10. Femur more than 90% of the trunk (dorsal column used here, but
    glenoid-acetabular length works, too).


*Yandangornis*?

20. Mid- to distal chevrons form boat-like skid-shaped structures (as
    broad caudally and anteriorly) that interlock (also in
    *Shenzhouraptor*/*Jeholornis*).

And *Rahonavis*, no?