Where: Socorro County, New Mexico (33.9° N, 106.7° W: paleocoordinates 36.4° N, 73.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Prionocyclus macombi ammonoid zone, Fite Ranch Sandstone Member (Tres Hermanos Formation), Middle Turonian (93.5 - 89.3 Ma)

• STRATIGRAPHIC RELATIONS: From the Fite Ranch Sandstone Mbr of the Tres Hermanos Fm, which overlies the Rio Salado Tongue of the Mancos Shale, and is overlain by the Presado Tongue of the Mancos Shale. AGE: Middle Turonian, on the basis of ammonite biostratigraphy; Prionocyclus macombi zone. STRATIGRAPHIC POSITION: From units 18-20, at top of section.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, burrowed, fine-grained sandstone

Size class: macrofossils

Collected by C. Lochman-Balk; S.C. Hook, D. Kalvelage; Molenaar in 1976; 1980; reposited in the USNM

Collection methods: surface (in situ),

• COLLECTOR: C. Molenaar, 1980. REPOSITORY: 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: general faunal/floral analysis

PaleoDB collection 88794: authorized by Austin Hendy, entered by Austin Hendy on 20.04.2009

Creative Commons license: CC BY (attribution)