Illustration of a pair of Pachycephalosaurus dinosaurs head-butting during the late Cretaceous in what is now North America. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / JAMES KUETHER |
Bildgröße: | 5912 px × 5912 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |