Where: Arizona (36.3° N, 109.8° W: paleocoordinates 37.4° N, 72.9° W)
• coordinate stated in text
When: lower shale Member (Mancos Shale Formation), Late/Upper Cenomanian (99.6 - 93.5 Ma)
• The section has been measured and logged in detail; see Kirkland 1990 and 1991
• bed-level stratigraphic resolution
Environment/lithology: basinal (siliceous); lithified, argillaceous shale
Size classes: macrofossils, microfossils
Preservation: mold/impression
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 54164: authorized by Peter Harries, entered by Peter Harries on 26.09.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Puebloites greenhornensis Cobban and Scott 1973 ammonite | |
Vascoceras diartianum ammonite | |
Eucalycoceras pentagonum, "Calycoceras naviculare" = Calycoceras (Calycoceras) naviculare, Neocardioceras minutum
Eucalycoceras pentagonum Jukes-Browne 1896 ammonite
"Calycoceras naviculare" = Calycoceras (Calycoceras) naviculare Mantell 1822 ammonite
Neocardioceras minutum Cobban 1988 ammonite | |
"Desmoceras scotti" = Moremanoceras scotti
"Desmoceras scotti" = Moremanoceras scotti Moreman 1942 ammonite | |
Placenticeras cumminsi Cragin 1893 ammonite |