Also known as Cobban et al. 1989 Loc. 24

Where: Luna County, New Mexico (32.5° N, 107.7° W: paleocoordinates 35.3° N, 74.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Mammites nodosoides inoceramid zone, Sandstone and Shale Member (Colorado Formation), Early/Lower Turonian (93.5 - 89.3 Ma)

• youngest sandstone unit in the sandstone and shale member of the Colorado

•Formation. Also Mammites nodosoides zone. Lucas et al say that this should be Mancos Shale, which makes a hell of a lot more sense...

• group of beds-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, concretionary, brown sandstone

Size class: macrofossils

Reposited in the USNM

Primary reference: W. A. Cobban, S. C. Hook, and W. J. Kennedy. 1989. Upper Cretaceous rocks and ammonite faunas of southwestern New Mexico. New Mexico Bureau of Mines and Mineral Resources, Memoir 45:1-137 [L. Bulot/L. Bulot/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 200337: authorized by Pete Wagner, entered by Pete Wagner on 28.03.2019

Creative Commons license: CC BY (attribution)