Also known as Tonto Creek

Where: Gila County, Arizona (34.3° N, 111.1° W: paleocoordinates 0.1° S, 42.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Naco Formation, Desmoinesian (312.8 - 306.0 Ma)

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Collection methods: surface (float)

• Northern Arizona University collection

Primary reference: G. D. Webster. 1981. New crinoids from the Naco Formation (Middle Pennsylvanian) of Arizona and a revision of the Family Cromyocrinidae. Journal of Paleontology 55:1176-1199 [G. Webster/G. Webster]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90774: authorized by John Alroy, entered by John Alroy on 16.08.2009

Creative Commons license: CC BY (attribution)