Naco Formation

{{Full citations needed|date=February 2024}} {{Short description|Geologic formation in Arizona}} {{Infobox rockunit | name = Naco Formation | image = | caption = | type = Formation | age = Pennsylvanian | period = Pennsylvanian | prilithology = Limestone | otherlithology = Shale, siltstone | namedfor = | namedby = | region = Arizona | country = United States | coordinates = | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }}

thumb|Indian Gardens Paleo Site with the Naco Formation exposed and available to the public

The '''Naco Formation''' is a geologic formation in Arizona. It preserves fossils dating back to the Pennsylvanian subperiod.

thumb|Indian Gardens Paleo Site approximately 12 miles east of Payson Arizona on highway 260

Fossils from the Kohls Ranch locality of Gila County, Arizona, include bivalve and gastropod molluscs, brachiopods, bryozoans, crinoids, cnidarians and chondrichthyan teeth.<ref>[http://www.savalli.us/BIO113/113downloads/FossilIDGuide.pdf ''Guide to Fossils of the Naco Formation, Kohl Ranch Area, Arizona,'' Arizona State]</ref><ref>Brew, D. C. and S. Beus, 1976, ''A Middle Pennsylvanian Fauna from the Naco Formation near Kohl Ranch, Central Arizona.'' Journal of Paleontology, v. 50: pp. 888-906</ref>

thumb|Indian Gardens Paleo Site with species identification sign

==See also== {{Portal|Paleontology}} * List of fossiliferous stratigraphic units in Arizona * Paleontology in Arizona

==References== {{Reflist}} * {{cite web|title= Fossilworks: Gateway to the Paleobiology Database|author= ((Various Contributors to the Paleobiology Database))|url= https://www.fossilworks.org/|access-date= 17 December 2021|archive-date= 25 March 2022|archive-url= https://web.archive.org/web/20220325060448/http://www.fossilworks.org/cgi-bin/bridge.pl?action=home|url-status= dead}}{{User-generated inline|date=February 2024}}

Category:Geologic formations of Arizona Category:Carboniferous Arizona Category:Pennsylvanian Series Category:Carboniferous System of North America Category:Carboniferous southern paleotropical deposits Category:Limestone formations of the United States Category:Shale formations of the United States Category:Siltstone formations of the United States