Statistical support for this position is not tremendously strong, so this is by no means written in stone. (Indeed I know of at least one study coming soon which will turn all of this inside out: however, that paper lacks the Xiaotingia zhengi data).
Is it by Jingmai O'Connor? <desperately trying to bite lip>
>> Yet another reason why the definition of "Aves" should not rest on >> _Archaeopteryx_.
>>
Amen.
>
Indeed!
Preach it, brothers!!!