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At 03:46 PM 9/30/97 -0700, you wrote:
>Well, supposedly not all the Deinonychus specimens had a super large claw
>there- in fact, to my knowledge only one did, so it may have had a display
>function (among others).  Sexual dimorphism? 

Where are you getting this (mis)information?  Dromaeosaurids from
Deinonychus to Velociraptor (check the foot of the type, for example) to
Utahraptor are characterized by this big second digit claw.

Thomas R. Holtz, Jr.
Vertebrate Paleontologist     Webpage: http://www.geol.umd.edu
Dept. of Geology              Email:th81@umail.umd.edu
University of Maryland        Phone:301-405-4084
College Park, MD  20742       Fax:  301-314-9661