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That slit produced a long thin umbilical scar, which remained on their belly region throughout their lives. Utilizing a relatively new technique known as laser-stimulated fluorescence (LSF) imaging, ...

Advancing technology is shedding light on dinosaurs like never before. Dinosaur belly buttons are the latest discovery to come out of these closer looks at old fossils. Baby animals, like birds and ...

Scientists had long speculated that egg-laying dinosaurs would have an umbilical scar, but this study is the first to find evidence of one. (Pictured: artist representation of a Psittacosaurus and its ...

Paleontologists have discovered the oldest belly button known to science on a 125 million-year-old fossil of a dinosaur in the genus Psittacosaurus. Oh, the fossil also had the first dinosaur butthole ...

QUILL THRILLDescribed in 2002, these filaments along the dinosaur’s tail were the first non-scale skin structures ever found on an ornithischian, the large and diverse group of dinosaurs that includes ...