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Unio tumidus Retzius, 1788
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Image 0006: Shell pair - open to show outer surfaces - white background
| Shows | left valve uppermost |
| Also shows | Byssus of Zebra Mussel (Dreissena polymorpha) on lower valve |
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| Magnification |  standard photograph or close-up |
| Specimen prep | Dead shells - moistened |
| Background | white background |
| Equipment used | Canon EOS400D dSLR with Tamron SP AF Di 90mm Macro 1:1 lens |
| Magnification ratio (film/sensor to subject) | 1:5 |
| Photographer | Malcolm Storey |
| Image Copyright | Copyright © Malcolm Storey, 2012, www.bioimages.org.uk. Some rights reserved. |
| High resolution image available | Yes |
| Image Reference | P102613 |
| Found as | Dead shell |
| Date | 31 Mar 2012 |
| OS grid ref | SU67 |
| Lat/Lon | 51° 30' N, 1° 10' W |
| Location | Berks, VC22, England |
| Voucher | 31 Mar 2012[A] |
| Record summary | Dead shells found beside fishing lake |
| Return to Record page | Unio tumidus on 31 Mar 2012 at SU67 in Berks |
| Return to Taxon page | Unio tumidus |
Unless otherwise expressly stated, all original material on the BioImages website by Malcolm Storey is licensed under the above Creative Commons Licence.