Date: Sun, 21 Dec 2003 21:44:41 -0500
Reply-To: Conchologists of America List <CONCH-L@LISTSERV.UGA.EDU>
Sender: Conchologists of America List <CONCH-L@LISTSERV.UGA.EDU>
Subject: Question Man asks--:
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Here in Southern Ohio, our basic layers are Ordivician. They are full of Brachiopods, Horn Corals, etc. But no mollusks. At least, I don't think so.
The question is: when did mollusks arise---and (2) from what?
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