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Re: So-called sickle claws
At 10:08 AM 10/2/97 -0700, Sholly wrote:
>The claws of cats are held up by tendons (ligaments?) and the claws rotate
>around the terminal toe bone, right?
Wrong. The whole ungual (terminal phalanx) swivels.
>I mean, it's the claw that swivels,
>not the toe bone- I think. Is that right?
>And cats have pads under their
>toes for walking. Although you probably meant "an analogue" as to shape
>and function only.
Yes. And, of course, dromaeosaurid pedal digits III and IV were pretty
standard-model toes, so there would be no need for cat-style toe-pads.
Thomas R. Holtz, Jr.
Vertebrate Paleontologist Webpage: http://www.geol.umd.edu
Dept. of Geology Email:email@example.com
University of Maryland Phone:301-405-4084
College Park, MD 20742 Fax: 301-314-9661