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Re: Brachiosaur Defense
From: Jaime A. Headden <email@example.com>
To: firstname.lastname@example.org <email@example.com>
Cc: firstname.lastname@example.org <email@example.com>; firstname.lastname@example.org
Date: Saturday, January 29, 2000 9:19 PM
Subject: Re: Brachiosaur Defense
> I'm sure a proper clarification of the functional
>locomotor possibilities suggested by arctometatarsaly
>in the pes of some maniraptoriform theropods is best
>described in Holtz (1994a) only briefly recapped by
>Hutchinson and Padian (1997).
> Holtz, T.R., Jr. 1994a. The arctometatarsalian pes,
>an unusual structure of the metatarsus of Cretaceous
>Theropoda (Dinosauria: Saurishcia). _JVP_ 14: 480-519.
> Hutchinson, J.R. and Padian, K. 1997.
>Arctometatarsalia. p. 24-27. (in Currie and Padian
>(eds.) _The Encyclopedia of Dinosaurs_ [Academic
> Larry, you have one, but you should really get the
>other if you don't have it.
Thanks for the ref. Jaime. On reading it a third time, (things take a bit
longer to sink in than they used to!),I see that Dr. Holtz interprets it
more as a force transducing structure.....(a shock absorber?). But, before
risking further misinterpretation, perhaps I`d better wait to get the
details straight from the horse`s mouth....(hopefully when he trots back to
the office Mon morning ).
PS, do any modern birds have this condition? Or are the metatarsals totally