Archaeornithes reptile-like bird fossil. The Archaeornithes are an extinct group of the first primitive, reptile-like birds. They are an evolutionary transition between the non-avian dinosaurs and modern birds (the avian dinosaurs). This specimen dates from the Upper Cretaceous (100 million years ago to 66 million years ago). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Stammers, Sinclair |
Bildgröße: | 3672 px × 4981 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |