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>I was looking through the skullduggery catelog (they make and sell repo's)
>and I noticed that except for size the "attack claws" of deinonychus,
>utahraptor, and a claw for the hand of Allosaurus are identical. They seem
>tio have the same attachment shape and schema, an identical groove along the
>claw, etc. Are they in fact the same even though not that closely related?
>T rex on the other hand (sorry for the pun) has a clasw strcuture that
>appeared to be quite different.
Hmm, maybe someone should study this... ;-) (Look up my abstract for the
1994 SVP meeting)
Actually, the dromaeosaurid claws are much more blade-like than allosaurid
claws. Allosaurids, and most large theropods, have claws which are rounded
Thomas R. Holtz, Jr.
Vertebrate Paleontologist in Exile Phone: 703-648-5280
U.S. Geological Survey FAX: 703-648-5420
Branch of Paleontology & Stratigraphy
MS 970 National Center
Reston, VA 22092