Barrett #7: Early/Lower Cretaceous, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Abielites angusticarpus seed repro
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Anthrotaxopsis tenuicaulis wood
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Ginkgoopsida
- Czekanowskiales
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Leptostrobus longifolius leaf
Berry 1911
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Angiospermae
- Sapindales
- Sapindaceae
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Sapindopsis variabilis leaf
Fontaine 1889
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Angiospermae
- Moraceae
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Ficophyllum serratum leaf
Fontaine 1889
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Coniferales
- Cupressaceae
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Sequoia Reichenbachi leaf
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Pinopsida
- Pinales
- Taxodiaceae
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Sphenolepidium parceramosum multi organs
Fontaine 1889
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synonym of Sphenolepis kurriana | |||||||
Pinopsida
- Pinales
- Taxaceae
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Sphenolepidium Kurrianum leaf
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Geinitzia Jenneyi n. sp. axis
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Pinopsida
- Pinales
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Glyptostrobus brookensis leaf
(Fontaine 1889)
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original and current combination Taxodium brookense | |||||||
Pinopsida
- Pinales
- Pinaceae
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Pinus susquaensis leaf
Dawson 1882
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Pteropsida
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Pecopteris Geyleriana leaf
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Pecopteris borealis leaf
Brongniart 1828
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Polypodiopsida
- Gleicheniales
- Matoniaceae
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Weichselia reticulata leaf
(Stokes and Webb 1824)
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Polypodiopsida
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Cladophlebis wyomingensis n. sp. leaf
Fontaine 1899
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see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Crook |
Coordinates: | 44.7° North, 104.2° West (view map) | ||||
Paleocoordinates: | 43.4° North, 53.0° West |
Time
Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
Key time interval: | Early/Lower Cretaceous | ||
Age range of interval: | 145.00000 - 100.50000 m.y. ago |
Stratigraphy
Formation: | Cretaceous | ||||
Stratigraphic resolution: | formation | ||||
Stratigraphy comments: Due to its late 19th century date of publication, the "Cretaceous Formation" is the highest stratigraphic resolution for this collection.
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Lithology and environment
Lithology description: "soft sandstones, clay shales, and clays, light-gray, yellow, and shades of purplish red." Due to its late 19th century date of publication, the "Cretaceous Formation" is the highest stratigraphic resolution for this collection. | |
Environment: | fluvial-lacustrine indet. |
Taphonomy
Modes of preservation: | body,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: | biostratigraphic analysis |
Metadata
Also known as: | Black Hills | ||
Database number: | 34865 | ||
Authorizer: | B. Tiffney | Enterer: | J. Fosdick |
Modifier: | J. Fosdick | Research group: | paleobotany |
Created: | 2003-10-08 10:48:57 | Last modified: | 2003-10-08 14:25:27 |
Access level: | database members | Released: | 2003-10-08 10:48:57 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
8563. | L.F. Ward. 1899. The Cretaceous formation of the Black Hills as as indicated by the fossil plants. Cretaceous Formation of the Black Hills [B. Tiffney/J. Fosdick/B. Tiffney] |