MNA Loc. 989: 6 m above BM 77 (Cretaceous of the United States)

Where: Navajo County, Arizona (36.2° N, 109.9° W: paleocoordinates 39.3° N, 75.8° W)

• coordinate stated in text

When: upper shale Member (Mancos Shale Formation), Middle Turonian (93.5 - 89.3 Ma)

• Collection comes from the middle Turonian Prionocyclus hyatti Zone

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified siliciclastic sediments

Size classes: macrofossils, microfossils

Preservation: mold/impression, recrystallized, original calcite, original phosphate, 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 53497: authorized by Peter Harries, entered by Peter Harries on 10.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Lingulata
 Lingulida - Lingulidae