Sauropod dinosaur sacrum fossil. Excavated fossil of the sacrum (fused spinal bone) of a sauropod dinosaur. This specimen has been uncovered at the Cleveland-Lloyd Dinosaur Quarry,Cleveland,Utah,USA. More than 12,000 Jurassic-era dinosaur bone fossils have been found at this site,which is part of a geological formation called the San Rafael Swell. The first major excavations at this site took place in the 1920s. It was designated a US National Natural Landmark in 1965. Dinosaur fossils found here include the carnivorous Allosaurus,trapped in a sticky mud deposit,a form of predator trap. Photographed in July 2015 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / West, Jim |
Bildgröße: | 3456 px × 5184 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |