Where: Colfax County, New Mexico (36.6° N, 104.6° W: paleocoordinates 40.9° N, 72.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Clioscaphites vermiformis ammonoid zone, Smoky Hill Chalk Member (Niobrara Formation), Middle Santonian (85.8 - 83.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: I. Walaszczyk and W. A. Cobban. 2006. Palaeontology and stratigraphy of the Middle-Upper Coniacian and Santonian inoceramids of the US Western Interior. Acta Geologica Polonica 56(3):241-348 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 100169: authorized by Wolfgang Kiessling, entered by Uta Merkel on 01.12.2010

Creative Commons license: CC BY (attribution)