KJ9650 (DMNH 1858) (Paleocene of the United States)

Also known as Channel No. 6 flora

Where: Slope County, North Dakota (46.5° N, 104.0° W: paleocoordinates 52.3° N, 79.1° W)

• coordinate stated in text

• small collection-level geographic resolution

When: FUI zone, Ludlow Member (Fort Union Formation), Puercan (66.0 - 63.3 Ma)

• 5m to Hell Creek-Fort Union contact datum, 2.395m to K-T boundary based on calculations in Johnson (2002)

• bed-level stratigraphic resolution

Environment/lithology: fine channel fill; poorly lithified sandstone

Size class: macrofossils

Preservation: adpression

Reposited in the DMNH

Collection methods: quarrying, mechanical,

• Specimens located at Denver Museum of Nature & Science

Primary reference: K. R. Johnson. 2002. Megaflora of the Hell Creek and lower Fort Union Formations in the western Dakotas: Vegetational response to climate change, the Cretaceous-Tertiary boundary event, and rapid marine transgression. The Hell Creek Formation and the Cretaceous-Tertiary boundary in the northern Great Plains: An integrated continental record of the end of the Cretaceous. 361:329-391 [S. Wing/S. Wing/K. Johnson]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 25454: authorized by Kirk Johnson, entered by Michele Reynolds on 12.09.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Angiospermae
 Malvales - Sterculiaceae
 Malpighiales - Salicaceae
Populus nebrascensis Newberry 1868 poplar
FU007
 Nymphaeales - Nymphaeaceae
Paranymphaea crassifolia Newberry 1935 water lily
(Newberry) Berry; FU001
 Cornales - Cornaceae
Cornophyllum newberryi
(Hollick) McIver & Basinger; FU031
 Proteales - Platanaceae
Platanus raynoldsii Newberry 1868 plane tree
FU016