MNA Loc 262: 1 m below BM 33 (Cretaceous of the United States)

Where: Arizona (35.7° N, 110.8° W: paleocoordinates 39.1° N, 77.0° W)

• coordinate stated in text

When: lower shale Member (Mancos Shale Formation), Early/Lower Turonian (93.5 - 89.3 Ma)

• The section has been measured and logged in detail; see Kirkland 1990 and 1991

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified, calcareous shale

Size classes: macrofossils, microfossils

Preservation: mold/impression

Reposited in the NMMNH

Collection methods: bulk, quarrying,

Primary reference: J. I. Kirkland. 1996. Paleontology of the Greenhorn cylcothem (Cretaceous: late Cenomanian to middle Turonian) at Black Mesa, northeastern Arizona. New Mexico Museum of Natural History and Science Bulletin 9:1-131 [P. Harries/P. Harries/P. Harries]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 54149: authorized by Peter Harries, entered by Peter Harries on 25.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Collignoniceratidae
Cibolaites molenaari Cobban and Hook 1983 ammonite