MNA Loc. 271: BM 10 (Cretaceous of the United States)

Where: Coconino County, Arizona (36.2° N, 110.9° W: paleocoordinates 37.5° N, 74.0° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified, condensed siliciclastic sediments

Size classes: macrofossils, microfossils

Preservation: mold/impression, recrystallized, replaced with calcite

Reposited in the NMMNH

Collection methods: bulk, surface (in situ),

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 53401: authorized by Peter Harries, entered by Peter Harries on 09.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Cephalopoda
 Ammonitida - Hamitidae
 Ammonitida - Acanthoceratidae
Metoicoceras geslinianum d'Orbigny 1841 ammonite
Nannometoicoceras acceleratum Hyatt 1903 ammonite
Gastropoda
 Sorbeoconcha - Aporrhaidae
 Sorbeoconcha - Ranellidae
 Neogastropoda - Fasciolariidae
? Dolicholatirus sp. Bellardi 1884 snail
 Neogastropoda - Pyropsidae
Pyropsis kochi n. sp. snail
Bivalvia
 Pholadida - Teredinidae
Terebrimya sp. Stephenson 1953 clam
 Lucinida - Lucinidae
 Mytilida - Mytilidae
Modiolus perryi n. sp. mussel
 Myalinida - Inoceramidae
"Inoceramus pictus" = Inoceramus (Inoceramus) pictus
"Inoceramus pictus" = Inoceramus (Inoceramus) pictus Sowerby 1829 clam
Scaphopoda
 Gadilida - Gadilidae