Dear all, in case some of you haven't seen these two species, the are
photos of Chicoreus dunni and Microgaza rotella on www.gastropods.com
I scanned the photos myself, but they are free for use by everyone. Here
are the addresses to them:

http://www.gastropods.com/shell_pages/r/Shell_Microgaza_rotella.html

http://www.gastropods.com/shell_pages/d/Shell_Chicoreus_dunni.html

Kindest Regards,
James