Rick,

 I think that those Pectens may be Juvenile Crassadoma giganteus, the Purple
Hinged Rock Scallop. Juveniles resemble C. Hastata until they are around
40mm but they are usually brown or orange.

I have sent you a picture of a growth series. The larger (bottom) specimen
is key since the juvenile shell is still clearly visible on the adult shell.

If any one else would like the picture, send me a e-mail, or maybe, Rick can
post it. Very nice colors for a species that is usually kind of ugly.


Russ
----- Original Message -----
From: "[log in to unmask]" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, October 12, 2005 10:13 AM
Subject: Pecten ID help


> Conch-Lers
>
> I need help identifying 3 Pectens valves I collected after a storm at
> Torrance Beach, California in the early 1980's.  I have tentatively IDed
> them as Chlamys hastata hastata, but I'm not sure. Any suggestions would
be
> appreciated. Here is an image of the shells.
>
> http://www.californiashells.com/Collection/hastata.jpg
>
> Cheers
>
> Rick Negus
> Carlsbad, CA
>
>
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