Where: Coconino County, Arizona (36.1° N, 111.1° W: paleocoordinates 37.5° N, 74.2° W)
• coordinate stated in text
• small collection-level geographic resolution
When: lower shale Member (Mancos Shale Formation), Late/Upper Cenomanian (99.6 - 93.5 Ma)
• bed-level stratigraphic resolution
Environment/lithology: basinal (); lithified shale and lithified, concretionary limestone
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 55890: authorized by Peter Harries, entered by Peter Harries on 08.11.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Rubroceras rotundum ammonite | |
Thomasites cf. gongilensis Woods 1911 ammonite | |
Nigericeras cf. ogojaense, ? Neocardioceras sp., Burroceras clydense, Burroceras transitorium, Euomphaloceras irregulare
Nigericeras cf. ogojaense Reyment 1955 ammonite
? Neocardioceras sp. Spath 1926 ammonite
Burroceras clydense Cobban et al. 1989 ammonite
Burroceras transitorium Cobban et al. 1989 ammonite
Euomphaloceras irregulare ammonite | |
Gastropoda | |
Ringicula codellana snail | |
Bivalvia | |
Phelopteria "B" Stephenson 1953 pearl oyster |