KJ88122 (DMNH 441): Puercan, North Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Fokieniopsis catenulata leaf
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5 specimens | |||||||||
(Bell) McIver & Basinger; HC137 | ||||||||||
Angiospermae
- Vitales
- Vitaceae
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Ampelopsis acerifolia leaf
(Newberry 1868)
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2 specimens | |||||||||
synonym of Populus newberryi | ||||||||||
FU076 | ||||||||||
Angiospermae
- Malpighiales
- Salicaceae
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Populus nebrascensis leaf
Newberry 1868
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22 specimens | |||||||||
FU007 | ||||||||||
Angiospermae
- Ranunculales
- Menispermaceae
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Cocculus flabella leaf
Wolfe 1966
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33 specimens | |||||||||
FU043 | ||||||||||
Angiospermae
- Proteales
- Platanaceae
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Platanus raynoldsii leaf
(Newberry 1868)
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33 specimens | |||||||||
original and current combination Platanus raynoldsi | ||||||||||
FU016 | ||||||||||
Angiospermae
- Violales
- Flacourtiaceae
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Flacourtiaceae informal FU074 leaf
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2 specimens | |||||||||
FU074 | ||||||||||
Angiospermae
- Saxifragales
- Cercidiphyllaceae
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Cercidiphyllum ellipticum leaf
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4 specimens | |||||||||
HC212 | ||||||||||
Cercidiphyllum genetrix leaf
(Newberry 1868)
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1 specimen | |||||||||
Hickey; FU005 | ||||||||||
Angiospermae
- Cornales
- Cornaceae
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Cornophyllum newberryi leaf
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11 specimens | |||||||||
(Hollick) McIver & Basinger; FU031 | ||||||||||
Angiospermae
- Trochodendrales
- Trochodendraceae
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Nordenskioldia borealis seed/fruit
Heer 1870
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1 specimen | |||||||||
FU044 | ||||||||||
Angiospermae
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Magnoliidae informal FU078 leaf
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1 specimen | |||||||||
synonym of Magnoliid | ||||||||||
FU078 | ||||||||||
Dicotyledonae informal FU087 leaf
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1 specimen | |||||||||
corrected as Dicotyledoneae | ||||||||||
FU087 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | North Dakota | County: | Slope |
Coordinates: | 46.3° North, 103.9° West (view map) | ||||
Paleocoordinates: | 52.2° North, 79.0° West | ||||
Basis of coordinate: | stated in text | ||||
Altitude: | 2900 feet | ||||
Geographic resolution: | small collection |
Time
Period: | Paleogene | Epoch: | Paleocene |
Stage: | Danian | 10 m.y. bin: | Cenozoic 1 |
*Period: | Early/Lower Tertiary | *Epoch: | Early/Lower Paleocene |
*International age/stage: | Early/Lower Danian | *Local age/stage: | Puercan |
Key time interval: | Puercan | Zone: | FUI |
Age range of interval: | 66.00000 - 63.80000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Fort Union | Member: | Ludlow | ||
Local section: | 1998a p.105 | ||||
Regional section: | Marmarth Composite | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: 10m to Hell Creek-Fort Union contact datum, 7.405m to K-T boundary based on calculations in Johnson (2002) |
Lithology and environment
Primary lithology: | poorly lithified sandstone | ||
Includes fossils? | Y | ||
Environment: | fine channel fill | 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: | selective quarrying,mechanical,field collection |
Collection size: | 116 specimens |
Reason for describing collection: | general faunal/floral analysis |
Museum repositories: | DMNH |
Collection method comments: Specimens located at Denver Museum of Nature & Science |
Metadata
Also known as: | Dean's NM04 Microsite/PITA Flats; KJ9148, KJ9450 | ||
Database number: | 25440 | ||
Authorizer: | K. Johnson | Enterer: | M. Reynolds |
Modifier: | M. Reynolds | Research group: | paleobotany |
Created: | 2002-09-12 12:21:39 | Last modified: | 2003-05-28 01:44:32 |
Access level: | the public | Released: | 2002-09-12 12:21:39 |
Creative Commons license: | CC BY |
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] |
Secondary references:
6985 | K. R. Johnson. 2002. Personal field work re: HC and FU formations. [K. Johnson/M. Reynolds/M. Reynolds] |