Posted by Bch Divr on February 23, 2004 at 21:05:07:
In Reply to: Apparantly, Susan and I made a rare find at SCI Saturday + posted by Max Bottomtime on February 23, 2004 at 17:02:33:
I found one on Eagle Reef, Catalina, two years ago. We thought it was a nautilus shell dropped from a boat. After reading your description, I check the shell and noted the double ridge line along its edge, consistent with the statement that is was secreted by TWO dorsal fins. Thanks for posting and solving this mystery for me.
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