Starfish fossils. These fossils,seen in their limestone host rock,come from the Katoua Formation in Morocco. This formation is a well-known source of fossil echinoids and crinoids from the Ordovician Period,nearly 500 million years ago | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5138 px × 3425 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |