Dunvegan #24 (GSC 4194): Early/Lower Cenomanian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Polypodiopsida
- Polypodiales
- Saccolomataceae
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Saccoloma sp. leaf
Kaulfuss 1820
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Polypodiopsida
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Cladophlebis cf. virginiensis leaf
Fontaine 1889
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Angiospermae
- Magnoliales
- Magnoliaceae
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Liriodendron giganteum leaf
Lesquereux 1868
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Magnolia rhamnoides n. sp. leaf
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Angiospermae
- Fabales
- Fabaceae
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? Bauhinia ? cretacea? leaf
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Leguminosites spatulatus n. sp. leaf
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Angiospermae
- Moraceae
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Ficus daphnogenoides leaf
(Heer 1866)
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Angiospermae
- Ericales
- Ericaceae
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? Andromeda spatula n. sp. leaf
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Angiospermae
- Proteales
- Platanaceae
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Platanus newberryana leaf
(Lesquereux 1868)
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Angiospermae
- Apiales
- Araliaceae
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Araliaephyllum rotundiloba leaf
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Coniferales
- Cupressaceae
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Metasequoia cuneata leaf
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Pinopsida
- Pinales
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Widdringtonites reichii leaf
(Ettingshausen 1867)
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Equisetopsida
- Araucariaceae
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Dammarites robinsi leaf
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Geography
| Country: | Canada | State/province: | British Columbia |
| Coordinates: | 56.2° North, 120.1° West (view map) | ||
| Paleocoordinates: | 58.5° North, 72.8° West | ||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
| *Period: | Cretaceous - Cretaceous | *Epoch: | Middle - Late/Upper Cretaceous - Middle - Late/Upper Cretaceous |
| *International age/stage: | Early/Lower Cenomanian - Early/Lower Cenomanian | ||
| Key time interval: | Early/Lower Cenomanian | ||
| Age range of interval: | 100.50000 - 93.90000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Dunvegan |
Lithology and environment
| Lithology description: "The strata consist generally of an alternating series of sandstones and shales with all gradations between te two."...contains "clay ironstones concretions, large plant stems and tree trunk imprints and casts, ripple markings, worm borings....carbonaceous fragments, and coal seams...." | |
| Environment: | fluvial-deltaic indet. |
Taphonomy
| Modes of preservation: | mold/impression,adpression,original carbon |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | all microfossils,some macrofossils |
| Collection methods: | bulk,field collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | GSC |
Metadata
| Also known as: | Dunvegan Formation | ||
| Database number: | 32031 | ||
| Authorizer: | B. Tiffney | Enterer: | J. Fosdick |
| Modifier: | J. Fosdick | Research group: | paleobotany |
| Created: | 2003-06-01 14:44:46 | Last modified: | 2003-06-01 17:44:53 |
| Access level: | database members | Released: | 2004-06-01 14:44:46 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 8525. | W. A. Bell. 1962. Upper Cretaceous floras of the Dunvegan, Bad Heart, and Milk River Formations of Western Canada. Geological Survey of Canada 94:1-76 [B. Tiffney/J. Fosdick/J. Fosdick] |