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Re: segnosaurs & sloths

>>Not to say that I support the idea of an arboreal ancestor of the
>therizinosauroids (aka segnosaurians), but it IS interesting that, of all
>mammals, ground sloths seem to be the best analogue for these strange
>dinosaurs.  And ground sloths, after all, were simply the giant,
>herbivorous, secondarily-terrestrial descendants of small,
>once-insectivorous, then-herbivorous, arboreal forms...
>(The two "D. Russells", Don E. and Dale A., consider therizinosaurs to be
>chalicothere analogues.)
>Thomas R. Holtz, Jr.

Considering that some chalicotheres are pretty much old world
perissodactylous ground sloth analogues, that  seems another way of saying
the same thing, doesn't it?
Ronald I. Orenstein                           Phone: (905) 820-7886 (home)
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