Ornithostoma was a pterosaur, a type of flying reptile. It was not a dinosaur, though it lived during the same period. Ornithostoma lived during the Late Cretaceous and resided in Europe.
All these Ornithostoma pictures were collected from the internet. Enjoy and explore:
- R. Owen. 1859. Supplement (No. I) to the Monograph on the Fossil Reptilia of the Cretaceous Formations. Palaeontographical Society Monographs