Dear all, one more question about pleuros. How many slit shells are currently known to man? Does anybody have a list of known species? Also, what species of slit shell belong to the sub-genus Entemnotrochus? James Cheshire in Gulf Breeze, Florida ___________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. Get completely free e-mail from Juno at http://www.juno.com/getjuno.html or call Juno at (800) 654-JUNO [654-5866]