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 sandstone and lithified sandstone

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 53505: authorized by Peter Harries, entered by Peter Harries on 10.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Bivalvia
 Arcida - Arcidae
Arca sp. Linnaeus 1758 ark
 Arcida - Cucullaeidae
"Idonearca depressa" = Cucullaea (Idonearca)
"Idonearca depressa" = Cucullaea (Idonearca) clam
 Myalinida - Inoceramidae
Inoceramus pictus Sowerby 1829 clam
 Pectinida - Pectinoidae
Camptonectes "A" Meek 1864 scallop
 Pectinida - Limidae
Limatula kochi file clam
 Ostreida - Gryphaeidae
Gryphaeostrea elderi n. sp. oyster
 Ostreida - Pteriidae
Phelopteria "A" Stephenson 1953 pearl oyster
 Ostreida - Bakevelliidae
Gervillia navajovus n. sp. oyster
 Mytilida - Mytilidae
Modiolus perryi n. sp. mussel
 Pholadida - Corbulidae
Corbula sp. Bruguière 1789 clam
 Pholadida - Teredinidae
Teredolithus sp. Bartsch 1930 clam
Gastropoda
 Neogastropoda - Fasciolariidae
 Vanikoroidea - Eulimidae
 Naticoidea - Naticidae
 Sorbeoconcha - Turritellidae
Turritella "B" Lamarck 1799 turret shell
Turritella whitei turret shell
Cephalopoda
 Ammonitida - Acanthoceratidae
Pseudocalycoceras angolaense Spath 1931 ammonite
 Ammonitida - Scaphitidae
Echinoidea
 Spatangoida - Hemiasteridae
"Hemiaster cf. jacksoni" = Mecaster batnensis
"Hemiaster cf. jacksoni" = Mecaster batnensis Coquand 1862 heart urchin