Tornillo Group

Tornillo Group
Stratigraphic range: Late Cretaceous - Early Eocene
Type	Group
Sub-units	Javelina Formation, Black Peaks Formation, Hannold Hill Formation
Location
Region	Texas
Country	United States

The Tornillo Group is a geologic group in Texas which dates from to the Late Cretaceous to the Early Eocene period.[1]

See also

• List of fossiliferous stratigraphic units in Texas
• Paleontology in Texas

References

1. 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

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.