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Bad cowries
03-03-2012, 11:30 PM,
#1
Bad cowries
Hello, I need help with the cowries below. They are from Indonesia (and beached condition)
Thank you
Pierre

A- 42 mm
[Image: 40424.JPG]

B- 76 mm
[Image: 40420.JPG]

C- 32 mm
[Image: 40422.JPG]
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03-04-2012, 03:07 AM,
#2
Re: Bad cowries
Hello Pierre!

I'd say the first and the third are Mauritia arabica (I have some in similar condition from Papua New Guinea). If you cover the top of a Mauritia arabica in acid it is purple (I was given one, I haven't done this myself); you also see this purple covering in other cowries (annulus, if I am not mistaken).
With regard to the Bulla stage, I'm not so sure, I'd suggest Chelycypraea testudinaria; I don't think it is tigris this time. But, as always, I am not sure of the location of C. testudinaria so somebody will probably correct me.

I hope this helps,

Best wishes,

Emma.
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03-04-2012, 03:23 AM,
#3
Re: Bad cowries
The first one may be Mauritia arabica immanis. I have a similar beach-collected one from Australia. I say this because the immanis form is more "compact" in my opinion than the normal arabica arabica.
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03-06-2012, 04:47 AM,
#4
Re: Bad cowries
Thanks a lot Emma,
I am ok with testidunaria as it is found in the area.
Pierre
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03-07-2012, 02:18 AM,
#5
Re: Bad cowries
Emma, arabica immanis is endemic to the Western Indian Ocean, they are not found elsewhere. Also I do believe it is a species in its own right now..
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03-08-2012, 02:45 AM,
#6
Re: Bad cowries
Thanks Dave, I'll post a picture. I felt sure mine was an arabica imanis imanis by the shape and the specimen is definetely from Australia.
Emma.
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03-08-2012, 10:55 AM,
#7
Re: Bad cowries
<!-- m --><a class="postlink" href="http://www.gastropods.com/0/Shell_560.shtml">http://www.gastropods.com/0/Shell_560.shtml</a><!-- m -->
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03-12-2012, 07:30 PM,
#8
Re: Bad cowries
Thanks for the link Dave, but I'm affraid that mine too is a "bad cowrie", a rather worn beach specimen with only a remnant of pattern. So, it's probably better I post a photo on the forum.

Best wishes,

Emma.
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