MNA Loc. 963, shale facies, upper ss, Dakota (Cretaceous of the United States)

Where: Navajo County, Arizona (36.6° N, 110.5° W: paleocoordinates 37.8° N, 73.5° W)

• coordinate stated in text

• small collection-level geographic resolution

When: upper sandstone Member (Dakota Formation), Late/Upper Cenomanian (99.6 - 93.5 Ma)

• Stratigraphic details in Kirkland 1990, 1991

•Collection comes from the upper Cenomanian Metoicoceras mosbyensis Zone

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified, sandy sandstone and lithified, shelly/skeletal shale

Size classes: macrofossils, microfossils

Preservation: mold/impression, recrystallized

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 53503: authorized by Peter Harries, entered by Peter Harries on 10.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Cephalopoda
 Nautilida - Nautilidae
"Kummeloceras sp." = Kummelonautilus
"Kummeloceras sp." = Kummelonautilus Matsumoto 1984 nautiloid
Bivalvia
 Lucinida - Lucinidae
 Poromyida - Cuspidariidae
 Cardiida - Corbiculidae
 Pholadida - Corbulidae
 Ostreida - Ostreidae
 Nuculanida - Nuculanidae
Nuculana mutuata pointed nut clam