Archaeornithes reptile-like bird fossil. The Archaeornithes are an extinct group of the first primitive, reptile-like birds. They are an evolutionary

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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).

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Size: 3672px × 4981px
Photo credit: © SINCLAIR STAMMERS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, 1, animal, archaeornithes, avian, biological, biology, bird, birds, cretaceous, dinosaurs, evolution, evolutionary, fauna, fossil, fossilised, fossilized, historical, history, natural, nature, ornithological, ornithology, palaeobiology, palaeontology, palaeozoology, paleontology, prehistoric, prehistory, reptile-, single, specimen, upper, wings, zoological, zoology