![Morrison Formation](https://cdn.newsserve.net/en/knowledge/Morrison-Formation_20231026.jpg)
Extraordinary 161-million-year-old Stegosaurus to go up for auction at Sotheby's
Discovered in May 2022 in Colorado’s Morrison Formation, "Apex" is touted as the most complete Stegosaurus ever found, with 79%..
euronews (in English)
The Morrison Formation is a distinctive sequence of Upper Jurassic sedimentary rock found in the western United States which has been the most fertile source of dinosaur fossils in North America. It is composed of mudstone, sandstone, siltstone, and limestone and is light gray, greenish gray, or red. Most of the fossils occur in the green siltstone beds and lower sandstones, relics of the rivers and floodplains of the Jurassic period.
Discovered in May 2022 in Colorado’s Morrison Formation, "Apex" is touted as the most complete Stegosaurus ever found, with 79%..