Dear Peter,
The American Museum of Natural History Guide to Shells Land, Freshwater, and
Marine from Nova Scotia to Florida by Emerson & Jacobson, l976; has some
useful descriptions and photos of eastern American Unionids.
2 are described from Canada
Anodonta cataracta
implicata
5 from the St Lawrence River Basin (?includes Newfoundland)
Strophitus undulatus
Lampsilis radiata
Alasmidonta undulata
Ligumia nasuta
Elliptio complanata
Only 2 of these are mentioned to have bluish nacre
A. cataracta ( rounded shape up to 6.5 in )
L. nasuta 9 ( more elongate up to 4.5 in )
Regards
Geoff
>From: Peter Egerton <[log in to unmask]>
>Reply-To: Conchologists of America List <[log in to unmask]>
>To: [log in to unmask]
>Subject: Freshwater bivalve
>Date: Tue, 27 Mar 2001 10:27:01 -0800
>
>Hi all,
>
>I just recieved this message from someone who saw my
>Web site. I have no knowlege of Newfoundland molluscs,
>so I thought I'd ask around. Here's the message:
>
>Hello Mr. Egerton
>
> I am not a shell collector but I have an interest in
>acquiring information about a freshwater Clam or Mussel that is found in
>a stream at my place of work.
> I am the Manager of Butter Pot Provincial Park Newfoundland ,Canada.
>
> This Mollusk is approximately 4 inches in length and bluish in color
>, could you possibly direct me to a source where it might be possible to
>obtain more info on this mollusk.
>Thank you in advance.
>
>Keith Brown
>Park Manager
>Butter Pot Park
>
>If anyone knows what this might be, I'll send the info to him.
>
>Peter Egerton
>-------------------------------------------------------
>Peter Egerton, Vancouver, British Columbia, Canada
>Collector of worldwide Mollusca, lifetime student
>of zoology and computers.
>E-mail: [log in to unmask]
>Step into my website:
>http://www.intergate.ca/personal/seashell/index.html
>(includes "Seashells of British Columbia", links and my resume)
> -Links to add, remove, alter? Just ask!
> -This is an on-going project.
> -Suggestions always welcome :-)
>-------------------------------------------------------
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