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RE: Reporting back again!
On Monday, October 12, 1998 3:05 PM, luisrey [SMTP:firstname.lastname@example.org]
> I think if we read the message of the talk as a whole (despite a lot of
> rethoric babble to cover his back, creating an appearance of being open,
> amiable and conciliatory) he was trying desperately to cling to
> His description of Megalancosaurus included a lot of dubious protoavian
> characteristics (and he didn't mention that it is regarded as a
> prolacertilian, had a prehensile tail not a rudder, and that the four
> fingers were paired and opposable as in a chameleon.)
> If he really wanted to hypothesize a 'trees down' alternative he could
> done better if he endorsed George Olshevsky's BCF theory. George used to
> regard Megalancosaurus as a model for a distant 'possible' ancestor...
> then we return to what Ruben doesn't want to see: Pterosaurs and
> would form a natural family. ALL dinosaurs would have been arboreal and
> keep descending from the trees in different stages of evolution 'towards'
> the ultimate bird design. That is, all dinosaurs would be birds and birds
> The fact that is that his talk >still< included a reiterative appraisal
> Sinosauropteryx protofeathers as collagen fibers (which will be
> demonstrated,if not it's already, as one of the greatest fairytales of
> XX Century). So I didn't see a critical and thoughtful reappraisal...
> politics as usual.
> I contend that protofeathers, feathers and warmbloodedness are basal
> characteristics of the Dinosauria (which Lagosuchus-like thecodontians
> incipiently developing and gave way to the also warmblooded
> and I think this will continually be proven so.
If I may briefly summarize your points:
1) Ruben is using politics, rhetoric and duplicity
2) because he is desperate.
3) He deliberately ignores data
4) in order to justify a "fairy tale".
Please note that *none* of these arguments makes Ruben's data or theories
any more or less believable. These points are all personal attacks on
Ruben rather than legitimate science. Your personal attacks are, in turn,
almost the only basis for your conclusions. In essence, your thesis is
that feathers and "warmbloodedness" (meaning what?) are basal to the
Dinosauria because -- some 200My later -- Ruben is duplicitous, desperate,
political, etc. While I am sure that Dr. Ruben is an influential guy, I am
curious to see the data that substantiate your apparant assertion that his
character flaws alone were sufficient to determine the metabolism and
integument of a clade which has been extinct lo these 65 My.