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paleonet Posidonomya



The Treatise on Invertebrate Paleontology lists Posidonomya as an objective synonym of Posidonia, giving a range of lower Carboniferous to Jurassic.  Carboniferous juveniles are apparently known, as the presence of a byssal notch in juveniles is noted.  

    Dr. David Campbell 
    Old Seashells 
    University of Alabama 
    Biodiversity & Systematics 
    Dept. Biological Sciences 
    Box 870345 
    Tuscaloosa, AL  35487-0345 USA
    bivalve@mail.davidson.alumlink.com

That is Uncle Joe, taken in the masonic regalia of a Grand Exalted Periwinkle of the Mystic Order of Whelks-P.G. Wodehouse, Romance at Droitgate Spa

---------- Original Message ----------------------------------
From: meor hakif <hakif23@yahoo.com>
Reply-To: paleonet@nhm.ac.uk
Date:  Sun, 20 Apr 2003 21:28:07 -0700 (PDT)

>Hi all,
>Can anyone lead me to some good refs on Devonian
>Posidonomya and juvenile specimens.
>Thanks in advance,
>Meor Hakif Hassan
>Geology Department
>University of Malaya
>50603 Kuala Lumpur
                 



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