Sea urchin (Tylocidaris clavigera) fossil. This fossil dates to the Cretaceous period. It was found in Gravesend,UK | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Natural History Museum, London |
Taille de l’image : | 4952 px × 3529 px |
Model Release : | Non requis |
Restrictions : | - |