Naco Formation

The Naco Formation is a geologic formation in Arizona.

It preserves fossils dating back to the Pennsylvanian subperiod.

Fossils from the Kohls Ranch locality of Gila County, Arizona, include bivalve and gastropod molluscs, brachiopods, bryozoans, crinoids, cnidarians and chondrichthyan teeth.

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Indian Gardens Paleo Site with the Naco Formation exposed and available to the public
Indian Gardens Paleo Site approximately 12 miles east of Payson Arizona on highway 260
Indian Gardens Paleo Site with species identification sign