Where: Sandoval County, New Mexico (35.9° N, 106.9° W: paleocoordinates 38.4° N, 73.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Prionocyclus hyatti ammonoid zone, Mancos Shale Formation, Middle Turonian (93.5 - 89.3 Ma)

• About 10 m below Juana Lopez Member

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, silty shale

Size class: macrofossils

Collected by R.E. Burkholder, W.A. Cobban in 1961; reposited in the USNM

Primary reference: W. A. Cobban and S. C. Hook. 1980. The Upper Cretaceous (Turonian) ammonite family Coilopoceratidae Hyatt in the Western Interior of the United States. United States Geological Survey Professional Paper 1192:1-28 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 77808: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.01.2008, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)