Hi Rick,
Those sure do appear to be Chlamys hastata hasata. The shape of the ears is
telltail as well as the more oblong shape of the valves.
Check with Chuck Reitz to be 100% sure. By the way, collected a specimen
last Saturday that measured 71.74mm.  It was dead but in near mint
condition.  The biggest I've ever collected.
Hope to see you soon.
Regards,
Paul Kanner

----- Original Message -----
From: "Russ Webb" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, October 12, 2005 2:16 PM
Subject: Re: Pecten ID help


> 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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