Pachycephalosaurus wyomingensis dinosaurs,artwork. These bone-headed dinosaurs are depicted jousting,ramming each other in the flanks,during mating or territorial rivalry. This is one possible reason for the evolution of the bony plates in their heads. This scene dates from the late Cretaceous | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Csotonyi, JuliUS T. |
Bildgröße: | 5288 px × 3331 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |