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New Discoveries Illuminate Edmontosaurus Anatomy, Experts Say

11/16/2025

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Summary

Story summary

Paleontologists reveal new findings that advance understanding of Edmontosaurus annectens, a duck-billed dinosaur from the late Cretaceous.
C.H. Sternberg discovered the first specimen in 1908 in Wyoming, the so-called AMNH mummy, which yielded limited insights.
Paul C. Sereno's team found two additional mummies at the same site, revealing detailed imprints of the external anatomy.
Sereno asserts the study provides an accurate depiction of Edmontosaurus.

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Story summary

Paleontologists reveal new findings that advance understanding of Edmontosaurus annectens, a duck-billed dinosaur from the late Cretaceous.
C.H. Sternberg discovered the first specimen in 1908 in Wyoming, the so-called AMNH mummy, which yielded limited insights.
Paul C. Sereno's team found two additional mummies at the same site, revealing detailed imprints of the external anatomy.
Sereno asserts the study provides an accurate depiction of Edmontosaurus.