KJ9143 (DMNH 436) (Paleocene of the United States)

Also known as Mikey's DeLite, KJ9833

Where: Slope County, North Dakota (46.3° N, 104.0° W: paleocoordinates 52.2° 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, 2.515m to K-T boundary based on calculations in Johnson (2002)

• bed-level stratigraphic resolution

Environment/lithology: pond; poorly lithified mudstone

Size class: macrofossils

Preservation: adpression

Reposited in the DMNH

Collection methods: quarrying, mechanical,

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 25453: authorized by Kirk Johnson, entered by Michele Reynolds on 12.09.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Angiospermae
 Cornales - Cornaceae
Cornophyllum newberryi
(Hollick) McIver & Basinger; FU031
 Ranunculales - Menispermaceae
"Cocculus" flabella Wolfe 1966
FU043
 Proteales - Platanaceae
Platanaceae "FU088" Lestiboudois 1826
FU088
 Fagales - Betulaceae
Corylus "FU079" Linnaeus 1753 hazel
FU079
 Malpighiales - Salicaceae
"Populus" nebrascensis Newberry 1868 poplar
FU007
 Malvales - Sterculiaceae
  -
"Dicotyledonae "FU092"" = Dicotyledoneae
"Dicotyledonae "FU092"" = Dicotyledoneae
FU092
Magnoliopsida
  -
Dicotylophyllum anomalum Ward 1887
FU029