Where: Socorro County, New Mexico (34.1° N, 106.7° W: paleocoordinates 36.6° N, 73.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Mancos Shale Formation, Middle Turonian (93.5 - 89.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary shale

Size class: macrofossils

Collected by S.C. Hook, D.E. Tabet, J.R. Wright in 1977; 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 77807: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.01.2008

Creative Commons license: CC BY (attribution)