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Nine-Ton Giant Dinosaur With Bizarre Duck Face Discovered
- A new hadrosaur species, Ahshiselsaurus wimani, is recognized as distinct from Kritosaurus after a 1916 fossil re-evaluation in New Mexico.
- Fossils from 1916 were re-examined by researchers from Penn State and the New Mexico Museum of Natural History and Science, leading to the genus reclassification.
- Ahshiselsaurus wimani is over 35 feet long and weighed about nine tons, suggesting a significant presence in its late Cretaceous ecosystem.
- Unlike some hadrosaurids, Ahshiselsaurus did not have a head crest, distinguishing it within the duck-billed dinosaurs.
- The new species helps illuminate Hadrosaurid evolution and migration across North America during the Late Cretaceous.
- The region's ecosystem included armored dinosaurs and other hadrosaurids coexisting with Ahshiselsaurus, indicating a rich Late Cretaceous environment.
- Researchers suggest a broader dispersal pattern for duck-billed dinosaurs, including movements toward Canada and South America.
- The Ahshiselsaurus fossil adds depth to the understanding of northern North American dinosaur ecosystems during the Late Cretaceous.
- The study was published in the Bulletin of the New Mexico Museum of Natural History and Science, highlighting a formal scientific reevaluation.
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