Data from fossils and modern carcasses indicates a simple path to preserving dinosaur skin.
The investigators examined a fossil of a dinosaur called Edmontosaurus from North Dakota. It features large patches of desiccated and seemingly deflated skin on the limbs and tail. Bite marks from carnivores on the dinosaur’s skin were identified by the researchers. These are the first documented examples of unhealed carnivore damage on fossil dinosaur skin. Moreover, this is evidence that the dinosaur carcass was not protected from scavengers, yet it became a mummy nonetheless.
This process, which the authors call “desiccation and deflation,” is common with modern carcasses and explains how dinosaur mummies might form under relatively ordinary circumstances. However, the researchers stress that there are likely numerous pathways by which a dinosaur mummy might develop. Understanding these mechanisms will guide how paleontologists collect and interpret such rare and informative fossils.
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