Thanks, Charlie. It was described by Thomas Say in the same year. Same paper?

While Thomas Jefferson was an avid naturalist (including fossil
collecting), I've not read that of James Madison.

Harry


At 11:24 PM 11/17/2008, you wrote:
>Harry,
>
>Don't forget Chesapecten madisonius.
> >
> > Chesapecten jeffersonius (Say, 1824), the State
> > Fossil of VA, is the real thing, however.
> >
> > Harry
>
>
>Regards,
>Charlie
>.................................................
>Charlie Sturm
>Research Associate - Section of Mollusks
>Carnegie Museum of Natural History
>Pittsburgh, PA, USA
>
>Assistant Professor - Family Medicine
>Fellow-American Academy of Family Practice
>Fellow-Academy of Wilderness Medicine
>
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