![TYRANNOSAURUS REX FROM THE UPPER CRETACEOUS (MAASTRICHTIAN) NORTH HORN FORMATION OF UTAH: BIOGEOGRAPHIC AND PALEOECOLOGIC IMPLICATIONS TYRANNOSAURUS REX FROM THE UPPER CRETACEOUS (MAASTRICHTIAN) NORTH HORN FORMATION OF UTAH: BIOGEOGRAPHIC AND PALEOECOLOGIC IMPLICATIONS](https://bioone.org/ContentImages/Journals/vrpa/25/2/0272-4634_2005_025_0469_TRFTUC_2.0.CO_2/graphic/WebImages/i0272-4634-25-2-469-f01.gif)
TYRANNOSAURUS REX FROM THE UPPER CRETACEOUS (MAASTRICHTIAN) NORTH HORN FORMATION OF UTAH: BIOGEOGRAPHIC AND PALEOECOLOGIC IMPLICATIONS
![North Horn Stock Illustrations – 2,454 North Horn Stock Illustrations, Vectors & Clipart - Dreamstime North Horn Stock Illustrations – 2,454 North Horn Stock Illustrations, Vectors & Clipart - Dreamstime](https://thumbs.dreamstime.com/b/north-american-animals-collection-8379106.jpg)
North Horn Stock Illustrations – 2,454 North Horn Stock Illustrations, Vectors & Clipart - Dreamstime
![Polyglyphanodon sternbergeri, Late Cretaceous, North Horn Formation, South Dragon Canyon, Utah Stock Photo - Alamy Polyglyphanodon sternbergeri, Late Cretaceous, North Horn Formation, South Dragon Canyon, Utah Stock Photo - Alamy](https://c8.alamy.com/comp/CBPWF8/polyglyphanodon-sternbergeri-late-cretaceous-north-horn-formation-CBPWF8.jpg)
Polyglyphanodon sternbergeri, Late Cretaceous, North Horn Formation, South Dragon Canyon, Utah Stock Photo - Alamy
James Kuether Natural History Art - North Horn Formation: Life Through Time One of the images I prepared for the forthcoming book "Life Through Time" to be published in September from DK.
![North Horn Stock Illustrations – 2,454 North Horn Stock Illustrations, Vectors & Clipart - Dreamstime North Horn Stock Illustrations – 2,454 North Horn Stock Illustrations, Vectors & Clipart - Dreamstime](https://thumbs.dreamstime.com/z/north-american-caribou-white-d-digital-render-standing-background-63781501.jpg)