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Re: Do 3 middle-ear bones really = 1 mammal? (was RE: SCIENCE AND CLASSIFICATION)
> >The new definition of Aves, if done correctly, will do for birds
> >what has so long been successfully done with mammals.
> "Decades ago" the Mammalia was thought to be polyphyletic; Simpson himself
> carried the banner for this cause.
Apart from the fact -- need I repeat it again? No problem for me, but I'm
certainly boring the list -- that all those bones were involved in hearing
before they all got separated from the lower jaw, that having a double jaw
joint was a widespread condition throughout the Mesozoic.
> Ah yes, the "three-ossicles" thing. Check out Cifelli's paper in JPal -
> might set you straight on how "easy" you believe it is to define a
> anatomically. Short version: It ain't easy, and mammal paleontologists
> don't pretend that it is.
> You live in Vienna? Cry me a river, David. You live in one of the most
> beautiful cities in the world - take a scenic route to the library. ;-)
It already takes me 3/4 of an hour by bus and subway :.-(