Marlo
If you have a Cymatium rubeculum occidentale (maybe wrong name) check it against your shell. I have a Cymatium with perio that looks like your shell.
JR

---- "Harry G. Lee" <[log in to unmask]> wrote:
> I had that shell under 40X and it certainly looked like periostracum to me.
>
> However, like Peggy, I have never seen such a feature on this species
> at any stage of growth.
>
> Harry
>
>
> At 06:10 PM 8/26/2009, you wrote:
> >I think Marcus and David may have both come up with the answer. This
> >shell was taken via Otter Trawl from 126 feet of water. The trawl
> >was filled with red, yellow and peach colored sponges and this shell
> >was in a crevice of one of the sponges. So, this may be the newly
> >discovered hybrid Chicoreus peachfuzzeis-spongicus BellowsExpedition, 2009.
> >
> >marlo
> >
> >--------------------------------------------
> >
> >David Kirsh suggested the ID was wrong (tongue-in-cheek):
> >
> >"It's peachfuzz, it's a Peach Murex. Not an Apple Murex."
> >
> >-----------------
> >
> >Marcus Coltro suggested:
> >
> >"that is not periostracum, probably sponge or something else."
> >
> >------------
> >
> >Marlo asked:
> >
> >This is the first time I've closely examined a very juvenile P.
> >pomum.  I was surprised to see a hairy periostracum.  Have others
> >found this in juvenile shells or have I misidentified this shell?

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