Where: Arizona (35.7° N, 110.8° W: paleocoordinates 39.1° N, 77.0° W)
• coordinate stated in text
When: upper shale Member (Mancos Shale Formation), Middle Turonian (93.5 - 89.3 Ma)
• The section has been measured and logged in detail; see Kirkland 1990 and 1991
• bed-level stratigraphic resolution
Environment/lithology: basinal (siliceous); lithified sandstone
Size classes: macrofossils, microfossils
Preservation: mold/impression, original 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 55986: authorized by Peter Harries, entered by Peter Harries on 10.11.2005, edited by Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Desmatochelys lowi" = Desmatochelys lowii
"Desmatochelys lowi" = Desmatochelys lowii Williston 1894 sea turtle MNA V4516, skull and partial skeleton
| |
Bivalvia | |
Mytiloides opalensis Böse 1923 clam | |
Cymbophora emmonsi clam | |
Cephalopoda | |
Watinoceras sp. Warren 1930 ammonite |