Fossil shark teeth. Hand holding a tray containing fossil shark teeth. Sharks have existed for over 400 million years. Their cartilaginous skeleton does not fossilise well so in most cases,only the teeth are shown on the fossil record | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Goetgheluck, Pascal |
Taille de l’image : | 4982 px × 3555 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |