Also known as Tonto Creek
Where: Gila County, Arizona (34.3° N, 111.1° W: paleocoordinates 0.1° S, 42.2° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Naco Formation, Desmoinesian (312.8 - 306.0 Ma)
Environment/lithology: marine; lithified lithology not reported
Size class: macrofossils
Collection methods: Northern Arizona Museum 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 90775: authorized by John Alroy, entered by John Alroy on 16.08.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
? Cromyocrinus sp. Trautschold 1867 Sea lily
Metacromyocrinus cf. holdenvillensis Sea lily |