Kukpowruk River 98-16 (Cretaceous to of the United States)

Also known as Kukpowruk River/Cape Lisburne floras

Where: western North Slope County, Alaska (69.4° N, 162.7° W: paleocoordinates 79.2° N, 95.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Corwin Formation, Albian to Albian (113.0 - 93.9 Ma)

• middle Albian to Cenomanian

• group of beds-level stratigraphic resolution

Environment/lithology: "floodplain"; hematitic claystone and medium-grained sandstone

• Description. A low cut-bank on the west side of the river exposes

•medium- to fine-grained sandstones, iron claystones and coal

•dipping to the north. Podozamites occurs as branch fragments in the

•ironstones and some poorly preserved wood fragments are present

•in the sandstones.

•Interpretation. Floodplain interfluve with channel sands, ponds, and


Size class: macrofossils

Collection methods: quarrying,

Primary reference: R. A. Spicer and A. B. Herman. 2001. The Albian-Cenomanian flora of the Kukpowruk River, western North Slope, Alaska: stratigraphy, palaeofloristics, and plant communities. Cretaceous Research 22:1-40 [D. Royer/D. Royer/D. Royer]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 34389: authorized by Dana Royer, entered by Dana Royer on 28.08.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

 Pinales - Podocarpaceae
Podozamites spp. Braun 1843
occurs as branch fragments in ironstones