Cottonwood Canyon: Early Devonian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Retusotriletes ? actinomorphus microspore
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spore, Chibrikova | ||||||||||
Retusotriletes warringtonii microspore
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spore, Richardson & Lister | ||||||||||
Retusotriletes simplex microspore
Naumova 1953
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spore, Naumova | ||||||||||
Psilophytopsida
- Psilophytales
- Psilophytaceae
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Psilophyton wyomingense sterile axis
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= Tanner's Morphotype I | ||||||||||
Psilophytopsida
- Psilophytales
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Gosslingia americana fertile axis
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unclassified
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Drepanophycus devonicus fertile axis, sterile axis
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several hundred specimens | |||||||||
Dictyotriletes indet. microspore
Naumova 1950
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spore | ||||||||||
Emphanisporites micrornatus microspore
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spore, Richardson & Lister | ||||||||||
Emphanisporites ? micrornatus microspore
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spore, Richardson & Lister | ||||||||||
cf. Emphanisporites rotatus microspore
Macgregor 1973
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spore, McGregor | ||||||||||
Dipnoi
- Uranolophidae
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vertebrate | ||||||||||
unclassified
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informal Morphotype III indet. sterile axis
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probably Hostinella | ||||||||||
Paleocuticularia perforata n. gen., n. sp. cuticle
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Aneurospora indet. microspore
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spore | ||||||||||
Cymbosporites proteus microspore
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spore, McGregor & Camfield | ||||||||||
? Cymbosporites senex microspore
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spore, McGregor & Camfield | ||||||||||
Synorisporites indet. microspore
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Pteraspidomorpha
- Pteraspidiformes
- Protaspididae
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fish | ||||||||||
fish | ||||||||||
Pteraspidomorpha
- Pteraspidiformes
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fish | ||||||||||
fish | ||||||||||
Pteraspidomorpha
- Cardipeltidae
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vertebrate | ||||||||||
vertebrate | ||||||||||
unclassified
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Apiculiretusispora plicata microspore
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spore, (Allen) Streel | ||||||||||
? Apiculiretusispora spicula microspore
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spore, Richardson & Lister | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Bighorn County |
Coordinates: | 44.9° North, 108.1° West (view map) | ||||
Paleocoordinates: | 26.5° South, 75.4° West (Wright 2013) | ||||
Basis of coordinate: | estimated from map | ||||
Altitude: | 1532 meters | ||||
Geographic resolution: | outcrop |
Time
Period: | Devonian | Epoch: | Early Devonian |
10 m.y. bin: | Devonian 1-2 | ||
*Period: | Early/Lower Devonian | ||
Key time interval: | Early Devonian | ||
Age range of interval: | 419.62 - 393.47 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Beartooth Butte |
Lithology and environment
Primary lithology: | dolomitic lithified silty,sandy "mixed carbonate-siliciclastic" |
Includes fossils? | Y |
Lithology description: contains basal dolomitic conglomerate overlain by a variety of dolomitic sandstones, shales, siltstones, and sandy, silty, or conglomeratic dolomites (Blackstone and McGrew, 1954; Sandberg, 1961b, 1967). plant fossils found only on exposure on southern wall of canyon. | |
Environment: | marginal marine indet. |
Taphonomy
Modes of preservation: | mold/impression,adpression,permineralized,replaced with pyrite |
Size of fossils: | macrofossils,microfossils |
Spatial orientation: | random |
Preservation of anatomical detail: | variable |
Disassociated major elements: | some |
Disassociated minor elements: | some |
Size sorting: | poor |
Temporal resolution: | time-averaged |
Spatial resolution: | allochthonous |
Collection methods and comments
Collection excludes: | some macrofossils |
Collection methods: | selective quarrying,surface (float),chemical,mechanical,peel or thin section,field collection,survey of museum collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Database number: | 26179 | ||
Authorizer: | P. Gensel | Enterer: | P. Gensel |
Modifier: | J. Flannery-Sutherland | Research group: | paleobotany |
Subset of collection #: | 3931 | ||
Collections that are a subset of this one: | |||
Created: | 2002-10-07 14:41:18 | Last modified: | 2025-02-22 15:12:02 |
Access level: | the public | Released: | 2002-10-07 14:41:18 |
Creative Commons license: | CC0 |
Reference information
Primary reference:
7258. | W. R. Tanner. 1984. A Fossil Flora from the Beartooth Butte Formation of Northern Wyoming. [P. Gensel/P. Gensel/P. Gensel] |
Secondary references:
90148 | R. Denison. 1953. Early Devonian Fishes from Utah. Part II Heterostraci. Fieldiana: Geology 11(2):1-78 [J. Flannery-Sutherland/J. Flannery-Sutherland] |