Where: Matanuska-Susitna County, Alaska (61.9° N, 147.6° W: paleocoordinates 65.3° N, 94.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Matanuska Formation, Turonian to Turonian (93.9 - 86.3 Ma)

• STRATIGRAPHIC RELATIONS: From the Matanuska Fm, which unconformably overlie Early Cretaceous strata, including the Nelchina Limestone. AGE: Turonian-Coniacian, on the basis of ammonite biostratigraphy;. STRATIGRAPHIC POSITION: From Unit C-1, in lower part of Matanuska Fm.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collected by Grant in 1952; reposited in the USNM

Collection methods: surface (in situ),

• COLLECTOR: A. Grant , 1952. REPOSITORY: USNM.

Primary reference: D. L. Jones. 1967. Cretaceous ammonites from the lower part of the Matanuska Formation, Southern Alaska. United States Geological Survey Professional Paper 547:1-49 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88890: authorized by Austin Hendy, entered by Austin Hendy on 24.04.2009

Creative Commons license: CC BY (attribution)