Fossil of Xenacanthus sp. , a genus of freshwater shark that lived worldwide from the late Devonian well up to the end of the Triassic period. This specimen is from lower Permian deposits in the Saar-Nahe Basin of southwest Germany. Actual length is some 600 mm from nose to tail. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 4826 px × 3409 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |