Evidence shows that molluscs may have existed for at least 500 million
years.  Unfortunately, the further back in time, the less likely fossils
will be found.  Precambrian fossils are extremely rare.  As to their
precursors, no definitive answer yet.

John
John & Cheryl Jacobs
Seffner, Florida
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----- Original Message -----
From: <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, December 21, 2003 9:44 PM
Subject: Question Man asks--:


> 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?
>      Q-Man
>
> PLEASE NOTE: My new, long-term, and correct email address is:
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