Thanks, David.

It looks like a reference library for the Oregon FW prosobranchs will
be a bit heterogeneous and that there may be a whole lot of un-named
taxa in that fauna.

Harry


At 06:58 PM 8/1/2008, you wrote:
>On Fri, Aug 1, 2008 at 5:28 PM, Harry G. Lee <[log in to unmask]> wrote:
> > Dear Listers,
> >
> > Does anyone know of an identification guide to the freshwater
> > mollusks of Oregon?
> >
> > Harry
> >
>
>Ethan Nedeau, Allan K. Smith, and Jen Stone. Freshater Mussels of the
>Pacific Northwest. Available online at
>www.fws.gov/pacific/columbiariver/musselwg.htm
>
>Probably no North American mussel really belongs in Anodonta, and
>there's some debate about whether and how to split Margaritifera.
>
>Of course, Burch's guides cover all of North America.  However,
>there's been a lot of work on the hydrobiids and other snails lately,
>some unpublished or gray literature (try searching online for papers
>by Frest and Johannes), some formally published but not yet in more
>accessible format (Frest and Johannes are authors on a lot of those,
>too, but probably searching for Hershler on the hydrobiids is most
>effective).  Despite focusing sampling on described forms in Oregon,
>we came up with at least three undescribed species of Juga from Oregon
>in our hopefully soon to be published work.  As a rule, probably the
>most important piece of information in identifying a freshwater
>mollusk is "Where did you find it?"  (This makes a type locality of
>California not real helpful.)
>
>There are also older papers such as Junius Henderson and G. D. Hanna's work.
>
>
>--
>Dr. David Campbell
>425 Scientific Collections
>University of Alabama
>"I think of my happy condition, surrounded by acres of clams"

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