Duck-billed dinosaur fleshy midline and hooves reveal terrestrial clay-template “mummification” · Unknown
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Full article and list of author affiliations: https://doi.org/10.1126/science.adw3536 Paul C. Sereno*, Evan T. Saitta, Daniel Vidal, Nathan Myhrvold, María Ciudad Real, Stephanie L. Baumgart, Lauren L. Bop, Tyler M. Keillor, Marcus Eriksen, Kraig Derstler INTRODUCTION: Called dinosaur “mummies,” two skeletons of the duck-billed dinosaur Edmontosaurus were discovered in Wyoming more than a century ago preserved like sun-dried carcasses. The snout of one is covered with a ducklike bill, and both have large areas of scaly integument described as “skin impressions.” Revisiting this area uncovered a “mummy zone,” with finds including two additional Edmontosaurus mummies and exceptional specimens of the contemporaries Triceratops and Tyrannosaurus. How soft tissues fossilize, and whether any of the original organic materials survive, remain open questions. …
摘自《科学》(Science)第391卷 第6780期 · 2026年1月1日,Unknown。仅引用开头一小段供了解文章,版权归原刊所有,全文请阅读原刊。