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Re: Mesozoic roots of parrots and passerine birds

Changing a little the axis of the discussion, was it proved that
pretended Cretaceous parrot (Stydham, 1998, in Nature) was actually
not a parrot? Dyke and Mayr's 1999 reponse stated it may be a
non-avian theropod, but I was not able to find refutation (it may be
said that because of being Cretaceous, the burden of proof is on
proving it is a parrot, but the best test would consist in including
the specimen in a data matrix of maniraptorans).