This article has multiple issues. Please help improve it or discuss these issues on the talk page . (Learn how and when to remove these messages) This article relies largely or entirely on a single source . Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources:  "Riley Formation"  –  news · newspapers · books · scholar · JSTOR (November 2023) This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources:  "Riley Formation"  –  news · newspapers · books · scholar · JSTOR (November 2023) ( Learn how and when to remove this message ) This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations . Please help improve this article by introducing more precise citations.(November 2023) ( Learn how and when to remove this message ) ( Learn how and when to remove this message )

The Riley Formation is a geologic formation in Texas. It preserves fossils dating back to the Cambrian period.

See also

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

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 19 August 2022. Retrieved 17 December 2021.

This article about a specific stratigraphic formation in Texas is a stub. You can help Wikipedia by adding missing information.

• v
• t
• e

This article related to the Cambrian period is a stub. You can help Wikipedia by adding missing information.

• v
• t
• e