KJ9631 (DMNH 1851) (Cretaceous of the United States)

Also known as Tapir Point, KJ9631, 9741

Where: Slope County, North Dakota (46.3° N, 104.0° W: paleocoordinates 52.6° N, 77.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: HCIa zone, Hell Creek Formation, Lancian (70.6 - 66.0 Ma)

• -80m to Hell Creek-Fort Union contact datum, -80m 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 48259: authorized by Kirk Johnson, entered by Kirk Johnson on 15.03.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Erlingdorfia montana
(Brown) Johnson; HC57-64
Angiospermae
 Celastrales - Celastraceae
Celastrus taurenensis bittersweet
HC94
 Proteales - Platanaceae
Platanaceae "HC151" Lestiboudois 1826
HC151
 Saxifragales - Cercidiphyllaceae
 Magnoliid - Magnoliidae
"Magnoliidae "HC66"" = Magnoliid
"Magnoliidae "HC66"" = Magnoliid Jud 2011
HC66
 Laurales - Lauraceae
Cinnamomum lineafolia cinnamon
HC92
  -
"Dicotyledonae "HC337"" = Dicotyledoneae
"Dicotyledonae "HC337"" = Dicotyledoneae
HC337
Leepierceia preartocarpoides
  -
Leepierceia preartocarpoides Johnson 1996
(Brown) Johnson; HC86