MNA Loc. 265: shale facies, upper ss, Dakota (Cretaceous of the United States)

Where: Navajo County, Arizona (36.0° N, 111.0° W: paleocoordinates 37.4° N, 74.2° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• Collection comes from the upper Cenomanian Metoicoceras mosbyensis Zone

• bed-level stratigraphic resolution

Environment/lithology: estuary or bay; lithified, sandy sandstone and lithified 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 53489: authorized by Peter Harries, entered by Peter Harries on 09.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Gastropoda
 Neritoidea - Neritidae
Neritina spp. Lamarck 1816 snail
 Neogastropoda -
 Cerithioidea - Turritellidae
 Cerithioidea - Thiaridae
 Cerithioidea - Cerithiidae
Voysa varia cerith snail
Bivalvia
 Lucinida - Lucinidae
 Pandorida - Laternulidae
 Poromyida - Cuspidariidae
 Cardiida - Mactridae
Cymbophora sp. Gabb 1869 clam
 Cardiida - Corbiculidae
 Pholadida - Corbulidae
 Arcida - Arcidae
 Ostreida - Ostreidae
 Pectinida - Anomiidae
 Mytilida - Mytilidae
 Nuculanida - Nuculanidae
Nuculana mutuata pointed nut clam
Polychaeta
 Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Spirorbis sp. Daudin 1800
Gymnolaemata
 Cheilostomata - Membraniporidae
cf. Membranipora sp. Blainville 1834
Lingulata
 Lingulida - Lingulidae
Thecostraca
 Scalpellomorpha - Scalpellidae
? Scalpellum sp. Leach 1818 barnacle