The Tornillo Group is a geologic group in Texas which dates from to the Late Cretaceous to the Early Eocene period.Thomas M. Lehman, Steven L. Wick, Heather L. Beatty, William H. Straight, and Jonathan R. Wagner, 2018. Stratigraphy and depositional history of the Tornillo Group (Upper Cretaceous–Eocene) of West Texas. Geosphere 14 (5): 2206–2244. doi: https://doi.org/10.1130/GES01641.1 Dinosaur fossils have been unearthed in this group including Torosaurus, Tyrannosaurus, Alamosaurus and Kritosaurus.

See also

List of fossiliferous stratigraphic units in Texas Paleontology in Texas

References