Cooks Range, near the top, Upham Fm. (Ordovician of the United States)

Where: Luna County, New Mexico (32.6° N, 107.7° W: paleocoordinates 15.6° S, 80.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Second Value Member (Upham Formation), Edenian (451.0 - 450.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified dolomite and limestone

Size classes: macrofossils, mesofossils

Primary reference: R. H. Flower. 1957. The Ordovician Development of the Actinoceratida, with notes on Actinoceroid Morphology and Ordovician Stratigraphy. State Bureau of Mines and Mineral Resources New Mexico Institute of Mining and Technology, Memoir 2:1-59 [B. Kröger/B. Kröger/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172560: authorized by Björn Kröger, entered by Björn Kröger on 11.08.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Actinocerida - Armenoceratidae