Atlantic giant cockle (Dinocardium robustum).
Jo O'Keefe (photographer; copyright holder)
The copyrights to this photo are owned by the photographer, Ms. Jo O'Keefe. Non-commercial education facilities and students are welcome to use this image for class work. The owner's permission must be obtained to publish it or distribute it over the Internet. Afterwards, a short note sent to the owner describing the use or a copy of the publication -- if small -- would be appreciated. No other use, commercial or non-commercial, is allowed without the written permission of the owner. You can reach Ms. O'Keefe through her website, use the More Information link below.
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