Nacatoch Sand
Stratigraphic range: Cretaceous
Nacatoch Sand with trace fossil near Washington, Arkansas (1910)
Type	Formation
Location
Region	Arkansas
Country	United States

The Nacatoch Sand is a geologic formation in Arkansas. It preserves fossils dating back to the Cretaceous period.

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

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