KJ88111 (DMNH 566) (Cretaceous of the United States)

Also known as Ginkgo Salad, KJ88111, 9254, 9447, 9532

Where: Bowman County, North Dakota (46.1° N, 103.8° W: paleocoordinates 52.4° N, 77.3° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• -33.5m to Hell Creek-Fort Union contact datum, -35.2m to K-T boundary based on calculations in Johnson (2002)

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; poorly lithified mudstone

Size class: macrofossils

Preservation: adpression

Reposited in the DMNH

Collection methods: quarrying, mechanical,

• Specimens located at Denver Museum of Nature & Science and Yale Peabody Museum

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 48220: 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
Cycadopsida
 Cycadales -
"Nilssonia yukonensis" = Nilsonia
"Nilssonia yukonensis" = Nilsonia cycads
HC164
Ginkgoopsida
 Ginkgoales - Ginkgoaceae
Ginkgo adiantoides Unger 1845 ginkgo
HC114
Angiospermae
  -
"Dicotyledonae "HC65"" = Dicotyledoneae, "Dicotyledonae "HC169"" = Dicotyledoneae, "Dicotyledonae "HC193"" = Dicotyledoneae, "Dicotyledonae "HC291"" = Dicotyledoneae
"Dicotyledonae "HC65"" = Dicotyledoneae
HC65
"Dicotyledonae "HC169"" = Dicotyledoneae
HC169
"Dicotyledonae "HC193"" = Dicotyledoneae
HC193
"Dicotyledonae "HC291"" = Dicotyledoneae
HC291
Dicotyledoneae
 Rosidae - Rosidae
Rosidae "HC194" Takhtajan 1967
HC194
Angiospermae
 Vitales - Vitaceae
aff. Vitis stantonii grapevine
HC189
 Malvales - Tiliaceae
 Rosales - Rhamnaceae
Rhamnus cleburni Lesquereux 1872 buckthorn
HC62
 Fagales - Nothofagaceae
Dryophyllum subfalcatum Lesquereux 1875
HC49
 Rosids - Moraceae
Artocarpus lessigiana Knowlton mulberry
HC179
 Saxifragales - Cercidiphyllaceae
 Apiales - Araliaceae
 Mesangiosperms - Araceae
Pistia corrugata Lesquereux 1874 water cabbage
HC77
 Magnoliid - Magnoliidae
"Magnoliidae "HC66"" = Magnoliid
"Magnoliidae "HC66"" = Magnoliid Jud 2011
HC66
 Laurales -
? Laurales "HC32" Jussieu 1820
HC32
 Coniferales - Cupressaceae
Taxodium olrikii cypress
HC71
Metasequoia occidentalis Chaney 1951 dawn redwood
FU3
Leepierceia preartocarpoides
  -
Leepierceia preartocarpoides Johnson 1996
(Brown) Johnson; HC86