UO 2204-1, Coyote Butte, Grindstone-Twelvemile Creek area: Kungurian, Oregon
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Rhynchonellida
- Rhynchoporidae
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Rhynchopora magna
Cooper 1957
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Rhynchonellata
- Rhynchonellida
- Stenoscismatidae
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Stenoscisma mutabile
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| n ssp. oregonensis | ||||||||||
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Rhynchonellata
- Spiriferida
- Elythidae
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Squamularia rostrata
(Kutorga 1842)
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| recombined as Bajkuria rostrata | ||||||||||
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Strophomenata
- Productida
- Productellidae
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Avonia oregonensis
Cooper 1957
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| recombined as Krotovia oregonensis | ||||||||||
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Strophomenata
- Productida
- Echinoconchidae
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Echinoconchus inexpectatus
Cooper 1957
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| recombined as Calliprotonia inexpectatum | ||||||||||
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Strophomenata
- Productida
- Monticuliferidae
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? Proboscidella carinata
Cooper 1957
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Strophomenata
- Productida
- Linoproductidae
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Anidanthus minor
Cooper 1957
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Oregon | County: | Crook |
| Coordinates: | 43.9° North, 119.9° West (view map) | ||||
| Paleocoordinates: | 19.8° North, 36.2° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Cisuralian |
| Stage: | Kungurian | 10 m.y. bin: | Permian 2 |
| Key time interval: | Kungurian | ||
| Age range of interval: | 283.50000 - 273.01000 m.y. ago |
Stratigraphy
| Formation: | Coyote Butte | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Mesogondolella idahoensis and N. pequopensis suggest Kungurian age (Wardlaw et al., 1982) | |||||
Lithology and environment
| Primary lithology: | "limestone" |
| Secondary lithology: | sandstone |
| Lithology description: Sandstone beds are widespread but poorly exposed in the Coyote Butte Formation, limestone lenses are olive-grey, crinoidal fusulinid limestones in lower part of formation; Purer, finer-grained, deep-olive in colour and better bedded in the upper part with rarer fusulinids and common brachiopods. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 40975 | ||
| Authorizer: | D. Bottjer | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2004-07-04 17:39:35 | Last modified: | 2012-06-20 21:53:05 |
| Access level: | the public | Released: | 2004-07-04 17:39:35 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11041. | G. A. Cooper. 1957. Permian brachiopods from central Oregon. Smithsonian Miscellaneous Contributions 134(12):1-79 [D. Bottjer/M. Clapham/M. Clapham] |