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, Carlile Member (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 P.L. Sealey, S.G. Lucas in 2002-2009; reposited in the NMMNH

Primary reference: P. L. Sealey and S. G. Lucas. 2011. Upper Cretaceous (Turonian) ammonites from the Carlile Member and reference area of the Juana Lopez Member of the Mancos Shale, eastern side of the San Juan Basin, La Ventana, Sandoval County, New Mexico. New Mexico Museum of Natural History and Science Bulletin 53:370-379 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 171840: authorized by Matthew Clapham, entered by Matthew Clapham on 21.07.2015

Creative Commons license: CC BY (attribution)