Also known as Loc. 18

Where: Fall River County, South Dakota (43.3° N, 103.4° W: paleocoordinates 44.8° N, 66.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Collignoniceras woollgari ammonoid zone, Turner Sandy Member (Carlile Shale Formation), Middle Turonian (93.5 - 89.3 Ma)

• STRATIGRAPHIC RELATIONS: From the Turner Sandy Mbr of the Carlile Shale. AGE: Middle Turonian, on the basis of ammonoid biostratigraphy; Collignoniceras woollgari. STRATIGRAPHIC POSITION: From 17 m above base of the Turner Sandy Mbr.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, white, calcareous shale and lithified sandstone

Size class: macrofossils

Preservation: concretion

Reposited in the USNM

Collection methods: surface (in situ),

• COLLECTOR: Not stated in text. REPOSITORY: USNM.

Primary reference: W. J. Kennedy, W. A. Cobban, and N. H. Landman. 2001. A revision of the Turonian members of the ammonite subfamily Collignoniceratinae from the United States Western Interior and Gulf Coast. Bulletin of the American Museum of Natural History 267:1-148 [A. Hendy/A. Hendy/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88417: authorized by Austin Hendy, entered by Austin Hendy on 11.04.2009

Creative Commons license: CC BY (attribution)