Where: Navajo County, Arizona (35.9° N, 110.9° W: paleocoordinates 37.3° N, 74.1° W)
• coordinate stated in text
When: upper sandstone Member (Dakota Formation), Late/Upper Cenomanian (99.6 - 93.5 Ma)
• bed-level stratigraphic resolution
Environment/lithology: basinal (siliceous); lithified sandstone
Size class: macrofossils
Preservation: mold/impression, 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 55566: authorized by Peter Harries, entered by Peter Harries on 01.11.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Polychaeta | |
? Polydora sp. Bosk 1801 | |
Bivalvia | |
Rhynchostreon levis oyster
Gryphaeostrea nationsi n. sp. oyster |