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| Auteurs principaux: | , |
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| Format: | Recurso digital |
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Zenodo
2026
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| Accès en ligne: | https://doi.org/10.5281/zenodo.18613441 |
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- <p><b>Family</b></p>Diceratidae Dall, 1895<p><b>Remarks.</b></p><p>The Diceratidae are the stem group of all uncoiled rudists (Skelton 2013 a). The characteristic combination of right-valve attachment, sub-equivalve to inequivalve shells, external parivincular ligament and outward-coiled prosogyrate umbos is restricted to the genera <i>Diceras</i> Lamarck, 1805 and <i>Valletia</i> Munier-Chalmas, 1873 (Skelton and Smith 2000; Skelton 2013 b; Schneider and Skupien 2015).</p>