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Subject:
Re: pecten identification
From:
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Conchologists of America List <[log in to unmask]>
Date:
Thu, 30 Dec 1999 11:53:12 EST
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I believe that squamosa (Gmelin) and larvata Reeve are synonyms.  This shell
has about 18-20 ribs on the upper (right) valve, and about a dozen on the
lower, and may be quite smooth or finely scaly.
squamata (Gmelin) is the heavily scaly one, and has 10-12 main ribs on the
upper valve, and 6 to 8 on the lower.
Paul M.

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