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Re: K/T birds
> I think all known confucisornithids are Barremian.
All known confuciusornithids, that is, *Confuciusornis sanctus*, *C. dui*,
various probable synonyms of the former, *Changchengornis hengdaoziensis*
and *Proornis coreae*, are Barrêmian. Not sure for the latter, but the
layers are AFAIK thought to be continuous with Yixian.
> _Gargantuavis_ (France -- Cretaceous, not sure if Late or Early)
> Then there are a number of neornithean (charadriomorph) forms from the
> ?latest Maastrichtian of North America -- graculavids, etc.
And presbyornithids (long-legged ducks, more or less) from the
end-Maastrichtian of both Antarctica and North America, AFAIK.