NS dinosaur Those who lived about 70 million years ago suffered from a fracture of the coccyx and a “cauliflower-like” foot tumor, new fossil analysis shows.
However, despite these painful illnesses, the dinosaurs survived for some time after being injured.
When late paleontologist Jaime Eduardo Powell discovered the skeleton in Río Negro, Argentina in the 1980s, he observed one leg injured and explained that the injury could be a fracture. Did. However, when researchers recently reviewed the fossils, they found that the foot deformity was instead caused by a large, perhaps cancerous tumor.
use Computed tomography (CT) scan By microscopic analysis of bone samples, researchers also identified fractures of two vertebrae in the center of the dinosaur’s tail, and there was erosion of the bone around the fractures that could be due to infection. Scientists reported in a new study published in the August 2021 issue of the journal that the fracture was partially healed and was unlikely to be the direct cause of the dinosaur’s death. Cretaceous study..
“We can’t quantify subsequent survival, which means from a few months,” said Penelope Kurzad Caballero, a principal research author and scientist at the Paleontology and Geology Institute of the National Scientific and Technical Research Council of Argentina. It can last for years. ” CONICET), Said in a statement..
Who was this beaten dinosaur? Bonapartesaurus Lioneglensis A 30-foot-long hadrosaurus — a dinosaur that eats a wide, duck-like mouth-known plant. Hadrosaurus were large, mostly bipedal ornithischian dinosaurs, or hip-roofed dinosaurs that lived in the late stages. Cretaceous (Approximately 145.5 million to 65.5 million years ago) Americas, Asia, Europe.
Some Hadrosaurus species had a glamorous coat of arms on the skull that may have been used for communication.Paleontologists Bonapartesaurus Despite the coat of arms (there was no skull on the skeleton), it was the dinosaur’s left hind limb that attracted their attention, with a large bone overgrow that gave the foot a “cauliflower-like appearance,” Cruzado said. -Cauliflower said in a statement.
The authors of the study examined a lump in the swollen bone and found no fractures, but CT scans showed decreased bone density and destruction of bone tissue in the surrounding area, suggesting that the lump was a tumor. it was done. The dinosaurs in this group walked with most of their weight on their toes and had high soles.This pad may have been cushioned BonapartesaurusResearchers reported that the foot and injury (as dire as it looks) may not have been dragging.
Their scan also revealed first hints of cracking of the two tail bones and subsequent infection of the surrounding bones. Such fractures may have been caused by a hadrosaurus being trampled, hit by an object, attacked by a predator, or simply due to running stress. “These are all good hypotheses, but we can’t tell which one is more likely.”
Originally published in Live Science.
The beaten duck’s beak dinosaur had cracks in its coccyx and “cauliflower” tumor. But it never dies.
Source link The beaten duck’s beak dinosaur had cracks in its coccyx and “cauliflower” tumor. But it never dies.