Eagle Formation VB9604: Early/Lower Campanian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Retinovena fluvialis n. gen., n. sp. leaf
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1 specimen | ||||||
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Montania glandulosa n. gen., n. sp. leaf
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4 specimens | ||||||
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Semiungula assymetrica n. gen., n. sp. leaf
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1 specimen | ||||||
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Avernalia solida n. gen., n. sp. leaf
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4 specimens | ||||||
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Paracredneria cretacea n. sp. leaf
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7 specimens | ||||||
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Protophyllum sp. leaf
Lesquereux 1874
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5 specimens | ||||||
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Equisetopsida
- Araucariaceae
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Brachyphyllum crassum leaf
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2 specimens | ||||||
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Angiospermae
- Fagales
- Nothofagaceae
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Dryophyllum polymorphum n. sp. leaf
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14 specimens | ||||||
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Angiospermae
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Dicotyledonae informal sp. 3 leaf
()
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2 specimens | ||||||
| corrected as Dicotyledoneae | |||||||
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Dicotyledonae informal sp. 4 leaf
()
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9 specimens | ||||||
| corrected as Dicotyledoneae | |||||||
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Angiospermae
- Hamamelidales
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Hamamelidales informal sp. 1 leaf
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3 specimens | ||||||
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Angiospermae
- Proteales
- Platanaceae
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Platanaceae indet. leaf
Lestiboudois 1826
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1 specimen | ||||||
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Platanus primaeva leaf
Lesquereux 1874
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29 specimens | ||||||
| synonym of Platanus latior | |||||||
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Platanites marginata leaf
(Lesquereux 1872)
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121 specimens | ||||||
| recombined as Cissus marginata | |||||||
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Angiospermae
- Laurales
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Crassidenticulum aquilae n. sp. leaf
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3 specimens | ||||||
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Angiospermae
- Laurales
- Lauraceae
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"Cinnamomum" hesperium leaf
Knowlton 1917
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1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Park |
| Coordinates: | 44.6° North, 108.5° West (view map) | ||||
| Paleocoordinates: | 52.0° North, 76.5° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| *Period: | Late/Upper Cretaceous - Late/Upper Cretaceous | ||
| *International age/stage: | Early/Lower Campanian - Early/Lower Campanian | ||
| Key time interval: | Early/Lower Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Eagle | Member: | lettered sands | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 51 meters below the base of the "Big Bentonite" overlying the Eagle Formation | |||||
Lithology and environment
| Primary lithology: | "cross stratification",brown,gray lithified sandstone |
| Includes fossils? | Y |
| Lithology description: Very fine sandstone with 25% mud; brownish gray | |
| Environment: | levee |
Taphonomy
| Modes of preservation: | mold/impression,adpression |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Temporal resolution: | snapshot |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection excludes: | all microfossils,some macrofossils |
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 27315 | ||
| Authorizer: | B. Tiffney | Enterer: | S. Pendleton |
| Modifier: | B. Tiffney | Research group: | paleobotany |
| Created: | 2002-12-01 22:20:44 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | database members | Released: | 2002-12-01 22:20:44 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 7503. | M. C. Van Boskirk. 1998. The flora of the Eagle Formation and its significance for Late Cretaceous floristic evolution. Yale University 1-382 [B. Tiffney/S. Pendleton/S. Pendleton] |