Pycnodonte vesicularis

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  Specimen from the Campanian of the Aquitanian Basin, France, side view, collections of the Muséum de Toulouse
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    Specimen from the Campanian of the Aquitanian Basin, France, in various views, collections of the Muséum de Toulouse
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  Specimen from the Maastrichtian of Rügen Island, Germany, internal view of valves, private collection
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  Specimen from the Maastrichtian of Rügen Island, Germany, external view of left valve, private collection