Trilobite (Calymene sp.) from Shropshire,U.K. Calymene grew to 4 inches (100 mm) long,and was found mainly in the warm,shallow seas of the continental shelf during the Silurian and Devonian Periods | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Biophoto Associates |
Taille de l’image : | 3442 px × 5080 px |
Model Release : | Non requis |
Restrictions : |
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