KJ9824 (DMNH 2203) (Cretaceous of the United States)

Also known as Somebody's Garden, KJ9824

Where: Slope County, North Dakota (46.3° N, 103.9° W: paleocoordinates 52.5° N, 77.3° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• -56m to Hell Creek-Fort Union contact datum, -56.75m 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 48241: authorized by Kirk Johnson, entered by Kirk Johnson on 15.03.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Hamamelidopsida
 Ranunculidae - Ranunculidae
 Hamamelididae - Hamamelididae
Angiospermae
  -
"Dicotyledonae "HC136"" = Dicotyledoneae, "Dicotyledonae "HC230"" = Dicotyledoneae, "Dicotyledonae "HC231"" = Dicotyledoneae
"Dicotyledonae "HC136"" = Dicotyledoneae
HC136
"Dicotyledonae "HC230"" = Dicotyledoneae
HC230
"Dicotyledonae "HC231"" = Dicotyledoneae
HC231
Dicotyledoneae
 Rosidae - Rosidae
? Rosidae "HC90" Takhtajan 1967
HC90
Rosidae "HC224" Takhtajan 1967
HC224
Rosidae "HC232" Takhtajan 1967
HC232
Rosidae "HC233" Takhtajan 1967
HC233
Rosidae "HC234" Takhtajan 1967
HC234
Angiospermae
 Laurales -
Laurales "HC84" Jussieu 1820
HC84
 Laurales - Lauraceae
Cinnamomum lineafolia cinnamon
HC92
 Saxifragales - Cercidiphyllaceae
Cercidiphyllaceae "HC229" Engler 1907
HC229
 Ranunculales - Ranunculaceae
Ranunculaceae "HC226" Jussieu 1789 buttercup
HC226
 Rosales - Urticaceae
Urticaceae "HC228" de Jussieu 1789 nettle
HC228
 Rosales - Cannabaceae
Cannabaceae "HC81" Martinov 1820 hemp
HC81
 Celastrales - Celastraceae
Celastrus taurenensis bittersweet
HC94
 Vitales - Vitaceae
Vitis stantonii grapevine
HC14