Where: Grant County, New Mexico (32.8° N, 108.7° W)

• Paleocoordinates: 39.7° N, 67.8° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Sciponoceras gracile ammonoid zone, Bridge Creek Limestone Member (Greenhorn Formation), Late/Upper Cenomanian (100.5 - 93.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Reposited in the USNM

Primary reference: W. A. Cobban and W. J. Kennedy. 1991. Evolution and biogeography of the Cenomanian (Upper Cretaceous) ammonite Metoicoceras Hyatt, 1903, with a revision of Metoicoceras praecox Haas, 1949. United States Geological Survey Bulletin 1934:B1-B11 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 167817: authorized by Matthew Clapham, entered by Matthew Clapham on 03.04.2015

Creative Commons license: CC0 (CC0)