Where: Luna County, New Mexico (32.5° N, 107.7° W: paleocoordinates 33.3° N, 72.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Euomphaloceras septemseriatum ammonoid zone, Mancos Shale Formation, Late/Upper Cenomanian (99.6 - 93.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; shale

Size class: macrofossils

Reposited in the USGS, USNM

Primary reference: W. A. Cobban, S. C. Hook, and W. J. Kennedy. 1989. Upper Cretaceous rocks and ammonite faunas of southwestern New Mexico. New Mexico Bureau of Mines and Mineral Resources, Memoir 45:1-137 [L. Bulot/L. Bulot/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 230782: authorized by Pete Wagner, entered by Pete Wagner on 20.07.2023

Creative Commons license: CC BY (attribution)