Carrizo Creek (Carboniferous of the United States)

Where: Gila County, Arizona (33.8° N, 110.3° W: paleocoordinates 1.2° S, 42.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Naco Formation, Middle Pennsylvanian (315.2 - 307.0 Ma)

• "stratigraphically above the Kohl Ranch locality"

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by G. D. Webster in 1971

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 90773: authorized by John Alroy, entered by John Alroy on 16.08.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• "ramose bryozoans, productid and spiriferid brachiopods and gastropods" are present but not described
Crinoidea
 Dendrocrinida - Cromyocrinidae
 Dendrocrinida - Catacrinidae
Delocrinus sp. Miller and Gurley 1890 Sea lily
Endelocrinus sp. Moore and Plummer 1940 Sea lily
 Dendrocrinida - Paradelocrinidae