Where: Navajo County, Arizona (35.7° N, 110.8° W: paleocoordinates 37.1° N, 74.1° 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 Euomphaloceras septemseriatum subzone of the Sciponoceras gracile Zone
• bed-level stratigraphic resolution
Environment/lithology: estuary or bay; lithified, sandy sandstone
Size class: macrofossils
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 53509: authorized by Peter Harries, entered by Peter Harries on 10.09.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Modiolus cf. attenuatus mussel
? Mytilus ? sp. Linnaeus 1758 mussel |