Here in Texas, due to the many, many rivers that dump into the Gulf of Mexico
here.  Polygyra and Helicina shells, amongst a few others, are very common in
beach drift and are often found very fresh with good color intact.

Hope this is helpful.
Leslie
HARF-IMCS Natural History Books
[log in to unmask]

----------------------------------------------------------------------
[log in to unmask] - a forum for informal discussions on molluscs
To leave this list, click on the following web link:
http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
Type your email address and name in the appropriate box and
click leave the list.
----------------------------------------------------------------------