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Re: Troodon again
>There has not been (as far as I know) a general trend throughout the
>Cenozoic in developing ever increasing large brain size. In other words,
>mammals are (on the average) no brainier today then they were at any
>other time in the Cenozoic (expect possibly the Paleocene?). Based on his
>evidence as you presented, our hypothetical paleontologist would have been
>just as likely to predict a sapient species during the Miocene, of
>Oligocene; and he would have been WRONG.
I haven't read the papers, but didn't Dale Russell posit an
increasing brain size through time for vertebrates that would have
produced a hominid brain-body ratio in the next 25 million years?
Now, I am not supporting the originator of this thread in supposing
that intelligent troodons with enriched iridium bombs precipitated
the K-T extinctions, I'm just curious as to whether Russell's
increasing intelligence trend is "real," and how it has been