Group of fossil ammonites of the genus Dactylioceras. Ammonites of this genus are abundant in European rock strata from the Lower Jurassic period,around 172 million years ago | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Stammers, Sinclair |
Taille de l’image : | 5139 px × 3425 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |