Diodora dysoni?, It's Diodora listeri
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Diodora dysoni?, It's Diodora listeri| reefnet |
Posted: May 19 2012, 11:35 AM
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Silver Member  Group: Members Posts: 484 Member No.: 1,432 Joined: 12-January 09  |
From Grand Cayman, less than 1/2-inch. I think it's Diodora dysoni. Is it? [Photo: Everett Turner]
 Les Wilk www.reefnet.ca |
 
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| Marlo |
Posted: May 21 2012, 03:57 AM
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 LTS Administrator Group: Admin Posts: 1,984 Member No.: 2 Joined: 12-November 05 |
It's juvenile, but to me the radial and concentric sculpture better fits Diodora listeri.
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| reefnet |
Posted: May 23 2012, 09:18 AM
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Silver Member Group: Members Posts: 484 Member No.: 1,432 Joined: 12-January 09 |
OK, thanks! Les |
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| Susan J. Hewitt |
Posted: May 23 2012, 05:51 PM
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Bronze Member Group: Members Posts: 237 Member No.: 1,810 Joined: 22-May 11 |
I believe that I agree with Marlo on this one. The sculpture of Diodora dysoni is supposed to look rather like D. cayennensis and not really like D. listeri, which is what this one looks like.
D. cayennensis does not have a dark ring around the orifice whereas D. listeri seems to always have that feature. Often mistakes are made with "dysoni". The wrong shells are often illustrated, including on gastropods.com. It's all very confusing. I personally am not sure I have ever collected real "dysoni", therefore I am not too confident myself that I can recognize it. I have however found these small D. listeri that have black markings on them. |
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| reefnet |
Posted: Jun 8 2012, 07:37 AM
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Silver Member Group: Members Posts: 484 Member No.: 1,432 Joined: 12-January 09 |
Thanks! Les |
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