Where: Cochise County, Arizona (31.4° N, 109.9° W: paleocoordinates 31.6° N, 69.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Pedregosa Member (Lowell Formation), Albian (113.0 - 100.5 Ma)
• STRATIGRAPHIC RELATIONS: Overlying the Perilla Mbr (Albian) of the Lowell Fm (Aptian-Albian) and underlying the Mural Fm (Albian). THICKNESS: 1 ft thick bed. AGE: Albian, based on ammonite and trigoniid biostratigraphy. STRATIGRAPHIC POSITION: Immediately above Bed 1e and below Bed 1c of the Pedregosa Fm.
• bed-level stratigraphic resolution
Environment/lithology: lithified, gray limestone
Size class: macrofossils
Reposited in the USNM
• COLLECTOR: A. Stoyanow, assisted by G. Scott, J.B. Reeside, and R.W. Imlay. REPOSITORY: USNM, Washington and U. Texas and Bureau of Economic Geology, Texas.
Primary reference: A. Stoyanow. 1949. Lower Cretaceous stratigraphy in southeastern Arizona. Geological Society of America Memoir 38:1-156 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 64984: authorized by Austin Hendy, entered by Austin Hendy on 18.09.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Nerinea sp. Deshayes 1827 snail |