Re: Semi-lunate carpal block

["Thomas R. Holtz, Jr." <th81@umail.umd.edu>]

At 09:56 PM 7/31/97 -0400, you wrote:
>In a message dated 97-07-31 20:23:07 EDT, jpoling@dinosauria.com (Jeff
>Poling) writes:
>
><< I thought I read on the list that
> the difference between the "semi-lunate" carpal block in maniraptoriformes
> and maniraptors is that in maniraptors the bones of the block are fused,
> while in m.formes they are not.  Is this true? >>
>
>If they're not fused ancestrally in maniraptoriformes, how can they form a
>"carpal block"?

They could act functionally as a single unit.

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