The reconstructed skull of Utahraptor, on display in Brigham Young University’s Museum of Paleontology. Photo by Jaren Wilkey of Brigham Young University (January 26, 2018). Creative Commons Attribution-Share Alike 4.0 International license.
https://commons.wikimedia.org/wiki/File:BYU_Utahraptor_skull.jpg.
The Cedar Mountain Formation is a North American geological formation which is found in east-central Utah and a small part of western Colorado. This formation dates to the early and middle Cretaceous Period, spanning about 144 to 95 million years ago, and it provides our clearest understanding of what prehistoric life was like in North America following the end of the Jurassic Period.
I got into the paleo-biology of the Cedar Mountain Formation in early February 2022, and I’ve written several articles and done numerous drawings of animals which lived in this formation. I have decided to post a complete list of all of my Cedar Mountain Formation themed pieces for easy reference. Each one of the links posted here will take to you the article:
- Ceratodus: The Iconic Lungfish of the Mesozoic Era (February 10, 2021)
- The Sail-Backed Dinosaur from the Cedar Mountain Formation (February 11, 2022)
- The Cedar Mountain Hypsilophodont Dinosaur (February 18, 2022)
- Semionotus (February 21, 2022)
- Nedcolbertia: A North American elaphrosaur? (March 15, 2022)
- The Cedar Mountain Allosaur (March 29, 2022)
- Cretaceous Stegosaurs in North America? Maybe (May 1, 2022)
- Polyacrodus (May 4, 2022)
- Utahraptor: A History (July 1, 2022)
- Falcarius (July 17, 2022)
- Hippodraco (July 23, 2022)
- Mierasaurus (October 1, 2022)
- The Choristoderan of the Cedar Mountain Formation (November 18, 2022)
- Cedrorestes (November 24, 2022)
- Martharaptor (February 8, 2023)
- Goniopholis: The Typical Mesozoic Crocodile (March 8, 2023)
- Cifelliodon (April 6, 2023)
- Toxolophosaurus (May 25, 2023)
- Gigantoraptor (June 21, 2023)
- Acrocanthosaurus (November 27, 2023)
- One Little, Two Little, Three Little Therizinosaurs (February 14, 2024)
- Gastonia (May 31, 2024)
- Siats (July 19, 2024)
- Online Lecture Series: “Utahraptor’s World: North America during the early Cretaceous Period 135 million years ago” (August 23, 2024)
I’ll be adding onto this list as I post more articles and artwork concerning the Cedar Mountain Formation, so please be sure to check back here regularly for any new additions.
Please check out these two other paleontology lists:
Categories: Paleontology, Uncategorized

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