Where: Navajo County, Arizona (36.2° N, 109.8° W: paleocoordinates 37.3° N, 73.0° W)

• coordinate stated in text

When: lower shale Member (Mancos Shale Formation), Late/Upper Cenomanian (99.6 - 93.5 Ma)

• Stratigraphic details in Kirkland 1990 and 1991

•Comes form the lower part of the lower shale

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified shale and lithified, concretionary carbonate

Size classes: macrofossils, microfossils

Preservation: mold/impression, recrystallized, replaced with calcite

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 53507: authorized by Peter Harries, entered by Peter Harries on 10.09.2005

Creative Commons license: CC BY (attribution)