Ammonite fossil. Fossilised remains of a Pachydiscus sp. ammonite. Ammonites,now extinct,were marine invertebrate molluscs with a spiral shell. This specimen dates from the Cretaceous period (around 145-85 million years ago) and was found at Dinn Cliffs,James Ross Island,Antarctica | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / British Antarctic Survey |
Bildgröße: | 2563 px × 3446 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |