Where: Navajo County, Arizona (36.3° N, 109.8° W: paleocoordinates 37.4° N, 72.9° 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 55631: authorized by Peter Harries, entered by Peter Harries on 02.11.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
| |
Cephalopoda | |
Metoicoceras mosbyense Cobban 1953 ammonite |