KJ9754 CENSUS (DMNH l.2100) (Cretaceous of the United States)

Also known as Facet Butte; KJ9846, KJ0149

Where: Slope County, North Dakota (46.5° N, 104.0° W: paleocoordinates 52.7° N, 77.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: FU0 zone, Ludlow Member (Fort Union Formation), Lancian (70.6 - 66.0 Ma)

• 0.33m to Hell Creek-Fort union contact datum, -1.66m to K-T boundary based on calculations in Johnson (2002)

• bed-level stratigraphic resolution

Environment/lithology: mire or swamp; poorly lithified, carbonaceous shale

Size class: macrofossils

Preservation: adpression

Reposited in the DMNH

Collection methods: bulk, 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 25477: authorized by Kirk Johnson, entered by Michele Reynolds on 12.09.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

 Coniferales - Cupressaceae
Taxodium olrikii cypress
HC071
Angiospermae
  -
"Dicotyledonae "FU081"" = Dicotyledoneae
"Dicotyledonae "FU081"" = Dicotyledoneae
FU081
 Saxifragales - Cercidiphyllaceae
Cercidiphyllum genetrix Newberry 1868 katsura
Hickey; FU005
 Proteales - Platanaceae
Platanus raynoldsii Newberry 1868 plane tree
FU016
 Ranunculales - Menispermaceae
Cocculus flabella Wolfe 1966
FU043
 Malpighiales - Salicaceae
Populus nebrascensis Newberry 1868 poplar
FU007