Where: Colfax County, New Mexico (36.7° N, 104.2° W: paleocoordinates 39.7° N, 70.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Smoky Hill Shale Member (Niobrara Formation), Coniacian (89.8 - 86.3 Ma)

• STRATIGRAPHIC RELATIONS: From the Smoky Hill Shale Mbr of the Niobrara Fm, which regionally overlies the Fort Hays Limestone. AGE: Coniacian, on the basis of inoceramid and ammonite biostratigraphy; Prionocyclus quadratus biozone. STRATIGRAPHIC POSITION: Bed 5, from near base of Smoky Hill Shale in this section.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, gray, yellow limestone

Size class: macrofossils

Preservation: cast, mold/impression

Collected by Scott, Cobban, Merewether, Buckhorn in 1984; reposited in the UNSM

• COLLECTORS: Scott, Cobban, Merewether, and Buckhorn (1984). REPOSITORY: USNM.

Primary reference: G. R. Scott, W. A. Cobban, and E. A. Merewether. 1986. Stratigraphy of the Upper Cretaceous Niobrara Formation in the Raton basin, New Mexico. New Mexico Bureau of Mines and Mineral Resources Bulletin 115:1-34 [A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 82251: authorized by Austin Hendy, entered by Austin Hendy on 25.07.2008

Creative Commons license: CC BY (attribution)