KJ88103g CENSUS (DMNH l.2605): Lancian, North Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polypodiopsida - Equisetales - Equisetaceae
1 specimen
FU036
unclassified
22 specimens
FU082
Pteridopsida - Filicales
1 specimen
FU100
5 specimens
FU102
Magnoliopsida
Dicotylophyllum anomalum leaf (Ward 1887)
519 specimens
FU029
Angiospermae - Cornales - Cornaceae
134 specimens
(Hollick) McIver & Basinger; FU031
Angiospermae
1 specimen
FU078
Angiospermae - Arecaceae
65 specimens
Hickey and Read; FU037
Angiospermae - Magnoliales
31 specimens
FU025
Angiospermae - Nymphaeales - Nymphaeaceae
Paranymphaea crassifolia leaf Newberry 1935
45 specimens
(Newberry) Berry; FU001
unclassified
2 specimens
McIver & Basinger; FU009
Angiospermae - Malvales - Sterculiaceae
3 specimens
FU061
Angiospermae
1 specimen
FU099
2 specimens
FU092
see common names

Geography
Country:United States State/province:North Dakota County:Bowman
Coordinates: 46.0° North, 103.8° West (view map)
Paleocoordinates:56.0° North, 62.9° West (Wright 2013)
Basis of coordinate:stated in text
Altitude:3200 feet
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Maastrichtian 10 m.y. bin: Cretaceous 8
*Period:Early/Lower Tertiary *Epoch:Early/Lower Paleocene
*International age/stage:Early/Lower Danian *Local age/stage:Lancian
Key time interval: Lancian Zone:  FUI
Age range of interval: 72.2 - 66 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Fort Union Member:Ludlow
Local section:88103
Regional section:Marmarth Composite
Stratigraphic resolution:bed
Stratigraphy comments: 18m to Hell Creek-Fort Union contact datum, 18m to K-T boundary based on calculations in Johnson (2002)
Lithology and environment
Primary lithology: poorly lithified siltstone
Includes fossils?Y
Environment:crevasse splay Tectonic setting:cratonic basin
Taphonomy
Modes of preservation:adpression
Size of fossils:macrofossils
Spatial orientation:random
Temporal resolution:snapshot
Spatial resolution:allochthonous
Collection methods and comments
Collection methods:bulk,mechanical,field collection
Collection size:832 specimens
Reason for describing collection:general faunal/floral analysis
Museum repositories:DMNH
Collection method comments: Specimens located at Yale Peabody Museum
Metadata
Also known as:KJ0152
Database number:25414
Authorizer:K. Johnson Enterer:M. Reynolds
Modifier:M. Reynolds Research group:paleobotany
Created:2002-09-11 20:29:30 Last modified:2025-02-22 15:12:02
Access level:the public Released:2002-09-11 20:29:30
Creative Commons license:CC0
Reference information

Primary reference:
7941. 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]